" It is cold refreshing beer but too lazy to get up and get yourself. Now that's what technology is for. We're going to build our own little beer -- deliver you a six pack on today's episode of systm. This episode system is brought to -- Crossed through -- like the world's most refreshing to hear. Click it -- take it and godaddy.com. Well the system -- better Norton under Calkins we are building a special project this week. You know sometimes sitting in the Revision 3 offices now over here in the cool studio. Went over there in the not so cool cubicle firm. Data it was time you know it gets to be about oh -- known for 53 in the afternoon and when I really want is -- here. But light refreshing -- is refreshing quarters light beer but it. As everybody watches the show now is I'm lazy. And you -- too busy surfing the web so -- be cool is the beer came to me no I try stuff like. City's decision has become and remain there but it just doesn't work she's like she's done the whole fingers and content and gambling -- communication. -- chair she did. You know how to yes."

" So I've decided to make a robot that will bring me a beer every day at 453. Still for those of you have been a long term system watchers you might remember that in episode forty. We built these super small thirty pound combat robot war as I'd like to refer to as the robot combat trainer. So it's a good driving robot and it's all built from spare parts we can build us -- Former was about 25300. Bucks. But we're also gonna make it autonomous using some of the micro controllers and I'm showing you last week's episode. Every two things with that we're going to number one show you how to make an alarm clock. Using -- micro controller and in this case that alarm clock is going to turn the robot on at 453. -- 53 the second part is going to make a line Pollard for those of you think white -- is really easy number one it's not it's actually for extraordinarily complicated. And number two line phone -- all over the world if you go to hospital there's actually all these robots will deliver your medicine. To view and they've basically follow lines on the of the floor of the hospitals. It's basically you can program that robots say okay go to room number 201 and drop off the advantage gotta remember to vote to. And drop off the markings on and so forth. And in our case the medicine is going to be well. He's -- commission squares like."

" So there's actually win the primary projects you -- you teaching -- Monica column."

" That's when it was her teaching university level robotics relying followers were basically halfway through refreshments mr. And it's what of those very frustrating things that should be very easy but it's not we're gonna try to make it as easy as possible -- news. It's I don't think one of our sponsors -- light dot -- reminds -- workers to slip out of the office for 53 for cold refreshing -- like. The site offers visitors helpful tools to get port their bosses and get together over -- one. With the help and assistance alluring voice the cores like port 53 voice alert allows users to send their -- literally to hook up for Coors Light and he needed justification for an early exit of course like excuse generator provides convincing excuses that can be easily shared or uploaded. So check out cores like dot com and support us by supporting them."

" Our if you missed it episode forty."

" You have basically -- a couple. Power rules actually probably a couple of new cordless power new cordless your -- twenty dollar harbor freight cardinals. Pile of cardboard or plastic or rules whenever he hat and T is fully functional. Come back with. That's your first -- all right so go back to episode forty and watch an episode one change from episode forty is an episode forty. We use some I have my controllers which are very good speed controllers. But their little on the pricey side -- you basically tapping out about 250 dollars just on speed controllers. What I found it was this new speed controller called the scorpion acts now which is a single speed controller. To single speed controller. And he will control both sides so -- two of the 850 dollar -- You can use one of scorpion which only costs 115 bucks it's -- really good deal. It's perfect for this thirty pound kind of robot. It's not gonna be driving is not good for you know if you haven't 220 pound combat robot -- or something like that but totally blow up. But for this thirty -- kind robot. Basically we just -- off about a 130 bucks off the cost of building your -- so I highly recommend these -- from a company called robot power -- to -- so basically the robot is gonna sit in the kitchen the Revision 3 offices. And then and it's going to follow alignment. From of the kitchen to mind typical. And so we're used for those are called QT I sensors and -- T -- essence or basically just to -- contrast between black and white for any given chain of -- I'm using infrared slash it's a very good sensor. And -- used for of those to follow a black line. Find -- whiter whites taped on it so I've built the little. Modified. Sensor holder which is the exact same part that we used in the original. Combat robot built. -- and for those of you want about a combat robot build. Like putting up all of the PDF's so you can make attempt played -- can just -- this out if you happen have."

" Any kind of you know power equipment in your in your -- So the other component really need is called and yes thirteen O two. Integrated circuit and when it DS thirteen O two is is it's a very tiny little microchip which holds very very accurate. Times. Time and date no a lot of users might say why don't you use a 555 chip which is which is a tiny ownership. I'm it is because this is about the same cost as much more accurate. In order to properly control this chips timing were also -- need it training crystal which is a 32 megahertz. Timing crystal and basically this just make sure that when second equals 12. We don't want to get actually in the cesium. -- little tiny -- you mock my battery free crystal radio species crystals to control your timing yes. And finally we're going to use parallel ax board of education because it's got this built in controller. Again you can use a higher do we know word you can use -- he can news media ours. Please don't get all religious on -- on the forums in terms of what we're gonna use. You could do this a million different ways there's at least a thousand different micro controllers you can do you to use to build this. This is the lick -- controller I think that for beginners is the easiest micro controller to work with so that's specifically -- using this is if you've never. Done any micro controller projects. This is a good starter micro controller. If -- or reprogrammed 10000. ADRs or pay taxes or whatever then you really don't need to be -- initial jury what you're doing. That said the reasons amplifying so much -- gets angry emails. Open source in the corporate active or doing evil corporate hack. In any case he likes paired her lives you know are doing I don't -- we know it all it's just that like you know us in the previous up as I have like. Forty of these forged so why don't mind works. But again are doing is a very good solutions if you like -- are we -- port they really do cost about the same you can get of their parallel ax OEM kid for about thirty bucks which is about the same as the of the -- expert. Project -- that we're using but does cost more in the same way that are you doing a project for a cost more."

" It's like one the sponsors of today's episode godaddy.com. Get reliable secure web hosting with no long term contract. Communities hosting plans are bigger and better than ever with 99% up time for 24 sevenths support and no annual commitment. Starting -- five bucks a month web hosting from godaddy.com includes free access to the godaddy hosting connection. He needs to be in place to quickly install over fifty free applications like word press Joomla Drupal -- commerce and more. What escort discount you want to help out system and -- until insisting that as ways to when you check out. You'll save an additional five dollars off any order of thirty dollars or more you'll be hooking us up some restrictions apply see site for details and be sure government and -- complex GoDaddy. For a list of all system godaddy codes if you're looking for something a little different give us a favor here at system get your piece of the Internet and godaddy.com. And use one of those Cisco it's."

" While you're there. So the first part this project is we're going install our tiny circuit onto our prototype in order. Like this -- I have a bunch of these at home which is by reusing is you can use -- we -- board you can use ADRs -- pick axes or whatever you want. We can't show every possible configuration issue answers to be focusing on this. For those and for those who have never before. I use any kind of integrated circuits integrated circuits always have a little did it on the top of them which basically says this is up. If there's not a physical damage if we look down on our stand here. I'm it's got a little -- more right there and basically that says this is up. So the replacing things on the board you know which is up service start replacing our timing circuit. On the bottom of our board."

" Just pops him like that. On and now we need to hook it up and give it both power and feedback to the input output circuits of these extent. So again it put the didn't hear the first thing we're gonna do is we're going to put in our timing and crystal. Com and it's kind officials are just tiny tiny little things it's really no thicker than a wire so it's very easy to lose so be careful with. With this and this goes between -- two and three. Are. Clock circuit so."

" Pin number one is always the upper left pin it and it goes around counter clockwise in the new 1234. 5678. So we're we're assembling or circuit is it's important to know which pins were talking to. So I know filled tends to and three with our little. Tightening crystal right here. And now we need to bring power. To the circuit and on our Carol explored. We have two types of power we have input power which is voltage in which could be a nine volt battery it could be in our case -- can use. Twelve -- coming from there the robot. We also have deregulated power so great here this is actually a voltage regulator. And it always gives a very clean fight bulls which coincidentally or not which coincidentally in fact. This integrated circuit runs on five -- scenario put a jumper between what's called dvd which is you're regulated voltage. And we're gonna put that over to pin number one. So now the integrated circuit has power. Now the circuit has to start talking to. The basic step and on this particular board you can see that this black strict here has the labels of pins zero through fifteen. The basics -- has sixteen inputs and outputs depending on which pick -- stamp or -- we know you're using. Depends on how many inputs and outputs you have. I o.s are always listening in Rogers so it's never one to sixteen it's always 0215. So now we need to talk to depend. And we're gonna put eight resist her. A 1000. Ohm resistor between. Pins zero. Of apparel export was put it to put it over eastern right here."

" And pin to six of the integrated circuit."

" So the nice thing about these kinds of prototype in words is as you can pop wires in. Quite easily. So we also need to run from pins. Five and seven. -- back to the integrated circuit so pin one in -- are apparel lacks basic stamp is gonna go to pin seven. Of our timing circuit. And -- To of our basic -- Is getting go to -- five. Of our time and answer it. -- cross these over. Okay. We're almost done. Now the next thing we need to do is we need to. Do it that. Timing circuit grounded. So it's got power to the circuit but that power -- then dead ends and needs to cycle back through to the ground of the final circuit. And sir going to do that with a little -- And we're gonna be needing some ground -- Current leader on for the blind follower so when I would do is I'm actually going to move. From here which is aground. -- up here. Which will be using later. And now are grounding tens over here. So now we've grounded out. Our pin. And finally we need one less thing is. What's to turn off domain controller. This. Will lose its memory and so we want it always know what time of day it is what day of the week it is so and so forth so it needs basically a little back up. Memories. And so what we're gonna do. Is on him eight we're gonna add three volts so. You can do three -- of -- ways in in this case I'm using two double A batteries and here's a double -- battery holder and just put two double A batteries. In this -- holder. So now we're gonna do is -- them read positively to the battery holder. They're going to put that against pin number eight. Are integrated circuit. Hillary take the ground. Are. Three volt battery holder Amber's gonna share the ground with the rest of the board and that will complete the circuit. So that's -- completed tiny circuit. But now we need to do is we need to finish this off by adding. All of the line following circuits up here is so if you'll notice we've got four leads now. What other things to know about. Color coded wires is is that they're no difference in terms of the actual wires color coding is used so that you the end user know you know what line is what. What I don't like about these QTI circuits is they change the standard which is really really really bad idea. Under all other circumstances if you're using a standard. Tri color of lead such as this. You'll find him first serve those force solar arrays for just about everything and in every instance except for these cute yeah I circuits black is negative. Red is positive current. And white is the actual data signal. So for whatever reason whoever came up with these cute yeah -- circuits has decided just to reverse that and red is now actually. The not the power but red is now the control the data current. The -- line. And white is now power which is really extraordinarily bad idea for people who have a lot of experience with this. So basically if you got a lot of experience with these kinds of cables being very careful what you're doing. So that you we remember that the standard color coordination is not. Red is power positive and white is data but those two have been reversed so when you're building your board keep that in mind. Another thing you can do is make your own cables using cheap inexpensive CDS -- myself I'd. Arrays which you can make for about fifteen cents I like to be strictly because they look a little bit better so it's gonna make the robot look a little bit nicer as it's following one. So now we have to do is we have to build up the circuit for. And we're gonna use little jumper pins and so now I'm gonna quickly assemble all of those as well as connect. Data input from the QTI cells back here. Today -- send that information back to remain micro controller. So -- product word force -- for using force sensors bring need to use for his reasons for 37. And and we've got the corresponding black lines right here so it's very easy for us to see on this particular board that we would use pins for 56 and seven and we have. Little black lines here we're hooked up to those using jumpers know you can get a jump percent for about ten bucks from a company like Jane co. It's in our case for he's he's jumpers. And he's jumpers are gonna go from those pins to our eventual header and some of popular had depends."

" And these header pins. They're going to allow us to quickly and easily. Installed. Are -- file in such as. Perfect if he should."

" All right so now we've connected all of our data points in which -- notice is is that on all of these jumper pins I'm sharing lines basically that just makes it easier. The you don't have to put it as many different jumper pins on this so these particular jumpers if you noticed these two were sharing in these two are sharing in the east were sharing. And what that means is that it's just easier to provide power and ground to all of the pins with out. Using too many extra. Jumper pins. I'm -- reduce red hook up our -- follower in the ring to do basic tasks of the system. To make sure that both Oliver -- following sensors are working as well as -- clock is working. So now we -- all of the basic electronics and now we want to do was one of programming to make sure that eight. It's going to take the date and time code and the couple -- after we turn to turn the power on and off. I'm in. So the first thing or do is we're gonna program. The liquor control here with -- with proper time. So the run this program. And now we want to set the date and time Serena and her. Basic information. Just currently. 2009. It is. May. Seven. It is Thursday as machines. The one in 24 hour. Because that's the way aero is currently 140 funds. Thirteen. 45. Bitterness at the time. Kate and analysts frontier displeased him we can see here that it's actually working properly. That the time is properly displayed according to which programs it now. Just like your clocks at home sometimes power goes -- the next images and her off. The power to the stamp and micro controller board but we've still got that two double A powered backup. Into the that timing chip and so hopefully it will stay. And the time should always keep track what time it is through that pattern back up which the last about a week maybe we can. It's more than enough time for us to have a beer at port 53 to get some turn off the power -- Now that's off. But the battery -- and still connected so the return back earns. You know let's go back Hillary check back on the screen and see. And hate it still displayed so we do know that. Not only does the timing chip still work. But we know that the battery backups to work so that. It even if the power of the robot is lost it will still always try to turn itself on every day act. 453. So now the next thing we need to do is -- our -- sensors in your little black and white sensors really their life and contrast sensors so even though my hand is very right. I can put my hand all the way over this and what that'll do is it'll block off all light in essentially mimic a black field. So now let's run that program. And so. What we're seeing here. Is did the different sensors for different sensors. And we're just giving -- pioneering field of zero or one depending on whether it's black and white so as I covered these you can see. We can get different. Readings -- and how I'm covering. Two different to different things as a as a cover. The sensors with my hand and block the light off of it I can cheat and into different different values here. So now we know that basically. Our micro controller works completely. All we've got to do is you can combine these two programs and then send power from here. Via pulse width modulation signal works the exact same as what we need or -- solar -- came up and said hey you have mail. We're doing the exact same thing except now we're sending incentive. Control to -- we're sending it to speed controller which is sort of like. For our robot. On the motor to gearbox in the speed controller together act fundamentally the same. As the -- which is much more bigger much more powerful and broken up into three components rather than having those three components combined. Into -- scenario take our robot or take. On our handy smaller cheaper. Speak controller for about power and -- to put all of these together. And see if it's the robot will move and hopefully I'm deliver -- casinos get."

" Tired shoot this video just check it out. -- Patrick is going to hook up to the motors and batteries to our speed controller and in the state controller. Just plugs right into the -- moments. The paralyzed port. Most of the other boards you can buy out there also have very similar three prong malice can plug into on the speed controller like this and then it's just a question. Making slight changes look with the program so that the robot knows when to stop at the end of the line. And then. Hopefully delivering a beer at 453 this afternoon so these of the two motor controllers just -- and put -- this is quite obviously mark -- exactly on and I have seen many many many speed controllers in my time hooked up. We're in reverse. And as soon as you turn the power on those things blow up it's really cool you lose all your magic smoke on my scene -- completely melt. I'm Jim in need of tech shop during last panel must -- things. Cooked off almost the controller to learn. And others that."

" So we're using the parallel ax. Tiny circuit code we're modifying and that's to have an alarm clock is natively Cumberland. We're using standard line following -- which is basically says that. Alignment should be two. Basically a standard of electrical tape. Covers two of these -- exactly and so than the other two sensors. I'm looking for ways to basically if the -- Lying comes over here now we know that it's covering these two sensors rather needs to and then the robot should turn it. And covered these two some basically. What's happening in terms of the programming is the robot always wants to have -- to censors seem black and outside to censors seem flight. Now what's all force sensors he -- because we do it happening for lack. T at the bottom so so the black line we're coming this in this in this the end to be solid black T and that tells you about a hot. When I see all four of you are black that tells me to stop."

" So what we can see we've got here is here we've got our or Circuit Court recession controlling on these things easier wires coming through the tour freshly installed amounted. Six. CS or -- which -- and attacked. The lines and see one to three for her adolescents -- here. And we've also got our clock shifts to monitor and now. The new -- controller less expensive. Scorpion XL speed controller is in here. And it gets its -- modulation signal from apparel export comes back in and that tells motors how fast to go in which direction. And and -- motors fact here are Chinese surplus. Joe motors com and then get their power from over here and it and of course we have the main battery pack and -- battery packed. Was the battery pack from the Joomla or itself we just look at out of that to a lower housing. And then put some leads on it so now we basically have a fully working robot which is autonomous and can follow lines and can turn itself on. Act 453 -- or if you -- so that I get me here at fort."

" System viewers to use seatbelts are less likely to die people that's -- Revision 3 has done it -- hundreds of state and local law enforcement highway safety officials across the nation. We're launching an aggressive campaign its click it or ticket folks. We gotta crackdown on those seat belt use that's gonna reduce highway fatalities and injuries that dependent on the hour the date belt -- past your -- very regularly. 31 points. We're talking about high execs want that 10 AM to a low of 30% at 3 AMR people -- Rick -- and no they're actually wearing your seatbelt wearing your seatbelt no matter what time it is the risk of being involved in fatal crash is significantly greater nice. -- compared to the daytime soap buckle up and support us by supporting our sponsors."

" Not disappear for a robot but if all introduction to building in -- you can -- on my fault lines following whereabouts which is one of the events -- the international -- games this June 12 through fourteenth in San Francisco if you built one of these robots. You can take it in competing against teams from America Canada Indonesia. India. All throughout Europe Mexico all over the place as well as the other you know fifty -- competition such as robot -- And -- thirty pound trainers can be used in -- comment -- games."

" Follow lines to combat picture and now with -- lots of these are deliberately keep your hacked dealers of the new -- reviews have. Five recently talked about virtualization to force attacks out of the end the best tools to backtrack. Is just on this talk about -- at ports NAS track and -- this week. Victory or protect your corporate network from you -- your home network. Usually every Wednesday recently dot com slash Hak5 and as always any ideas comments or suggestions. Email us at system at revision3.com. Don't forget to visit the forums at revision3.com slash where the -- every game itself. And visitor archives or Katrina com slash system. I can't talk and."

" It is cold refreshing beer but too lazy to get up and get yourself. Now that's what technology is for. We're going to build our own little beer -- deliver you a six pack on today's episode of systm. This episode system is brought to -- Crossed through -- like the world's most refreshing to hear. Click it -- take it and godaddy.com. Well the system -- better Norton under Calkins we are building a special project this week. You know sometimes sitting in the Revision 3 offices now over here in the cool studio. Went over there in the not so cool cubicle firm. Data it was time you know it gets to be about oh -- known for 53 in the afternoon and when I really want is -- here. But light refreshing -- is refreshing quarters light beer but it. As everybody watches the show now is I'm lazy. And you -- too busy surfing the web so -- be cool is the beer came to me no I try stuff like. City's decision has become and remain there but it just doesn't work she's like she's done the whole fingers and content and gambling -- communication. -- chair she did. You know how to yes."

" So I've decided to make a robot that will bring me a beer every day at 453. Still for those of you have been a long term system watchers you might remember that in episode forty. We built these super small thirty pound combat robot war as I'd like to refer to as the robot combat trainer. So it's a good driving robot and it's all built from spare parts we can build us -- Former was about 25300. Bucks. But we're also gonna make it autonomous using some of the micro controllers and I'm showing you last week's episode. Every two things with that we're going to number one show you how to make an alarm clock. Using -- micro controller and in this case that alarm clock is going to turn the robot on at 453. -- 53 the second part is going to make a line Pollard for those of you think white -- is really easy number one it's not it's actually for extraordinarily complicated. And number two line phone -- all over the world if you go to hospital there's actually all these robots will deliver your medicine. To view and they've basically follow lines on the of the floor of the hospitals. It's basically you can program that robots say okay go to room number 201 and drop off the advantage gotta remember to vote to. And drop off the markings on and so forth. And in our case the medicine is going to be well. He's -- commission squares like."

" So there's actually win the primary projects you -- you teaching -- Monica column."

" That's when it was her teaching university level robotics relying followers were basically halfway through refreshments mr. And it's what of those very frustrating things that should be very easy but it's not we're gonna try to make it as easy as possible -- news. It's I don't think one of our sponsors -- light dot -- reminds -- workers to slip out of the office for 53 for cold refreshing -- like. The site offers visitors helpful tools to get port their bosses and get together over -- one. With the help and assistance alluring voice the cores like port 53 voice alert allows users to send their -- literally to hook up for Coors Light and he needed justification for an early exit of course like excuse generator provides convincing excuses that can be easily shared or uploaded. So check out cores like dot com and support us by supporting them."

" Our if you missed it episode forty."

" You have basically -- a couple. Power rules actually probably a couple of new cordless power new cordless your -- twenty dollar harbor freight cardinals. Pile of cardboard or plastic or rules whenever he hat and T is fully functional. Come back with. That's your first -- all right so go back to episode forty and watch an episode one change from episode forty is an episode forty. We use some I have my controllers which are very good speed controllers. But their little on the pricey side -- you basically tapping out about 250 dollars just on speed controllers. What I found it was this new speed controller called the scorpion acts now which is a single speed controller. To single speed controller. And he will control both sides so -- two of the 850 dollar -- You can use one of scorpion which only costs 115 bucks it's -- really good deal. It's perfect for this thirty pound kind of robot. It's not gonna be driving is not good for you know if you haven't 220 pound combat robot -- or something like that but totally blow up. But for this thirty -- kind robot. Basically we just -- off about a 130 bucks off the cost of building your -- so I highly recommend these -- from a company called robot power -- to -- so basically the robot is gonna sit in the kitchen the Revision 3 offices. And then and it's going to follow alignment. From of the kitchen to mind typical. And so we're used for those are called QT I sensors and -- T -- essence or basically just to -- contrast between black and white for any given chain of -- I'm using infrared slash it's a very good sensor. And -- used for of those to follow a black line. Find -- whiter whites taped on it so I've built the little. Modified. Sensor holder which is the exact same part that we used in the original. Combat robot built. -- and for those of you want about a combat robot build. Like putting up all of the PDF's so you can make attempt played -- can just -- this out if you happen have."

" Any kind of you know power equipment in your in your -- So the other component really need is called and yes thirteen O two. Integrated circuit and when it DS thirteen O two is is it's a very tiny little microchip which holds very very accurate. Times. Time and date no a lot of users might say why don't you use a 555 chip which is which is a tiny ownership. I'm it is because this is about the same cost as much more accurate. In order to properly control this chips timing were also -- need it training crystal which is a 32 megahertz. Timing crystal and basically this just make sure that when second equals 12. We don't want to get actually in the cesium. -- little tiny -- you mock my battery free crystal radio species crystals to control your timing yes. And finally we're going to use parallel ax board of education because it's got this built in controller. Again you can use a higher do we know word you can use -- he can news media ours. Please don't get all religious on -- on the forums in terms of what we're gonna use. You could do this a million different ways there's at least a thousand different micro controllers you can do you to use to build this. This is the lick -- controller I think that for beginners is the easiest micro controller to work with so that's specifically -- using this is if you've never. Done any micro controller projects. This is a good starter micro controller. If -- or reprogrammed 10000. ADRs or pay taxes or whatever then you really don't need to be -- initial jury what you're doing. That said the reasons amplifying so much -- gets angry emails. Open source in the corporate active or doing evil corporate hack. In any case he likes paired her lives you know are doing I don't -- we know it all it's just that like you know us in the previous up as I have like. Forty of these forged so why don't mind works. But again are doing is a very good solutions if you like -- are we -- port they really do cost about the same you can get of their parallel ax OEM kid for about thirty bucks which is about the same as the of the -- expert. Project -- that we're using but does cost more in the same way that are you doing a project for a cost more."

" It's like one the sponsors of today's episode godaddy.com. Get reliable secure web hosting with no long term contract. Communities hosting plans are bigger and better than ever with 99% up time for 24 sevenths support and no annual commitment. Starting -- five bucks a month web hosting from godaddy.com includes free access to the godaddy hosting connection. He needs to be in place to quickly install over fifty free applications like word press Joomla Drupal -- commerce and more. What escort discount you want to help out system and -- until insisting that as ways to when you check out. You'll save an additional five dollars off any order of thirty dollars or more you'll be hooking us up some restrictions apply see site for details and be sure government and -- complex GoDaddy. For a list of all system godaddy codes if you're looking for something a little different give us a favor here at system get your piece of the Internet and godaddy.com. And use one of those Cisco it's."

" While you're there. So the first part this project is we're going install our tiny circuit onto our prototype in order. Like this -- I have a bunch of these at home which is by reusing is you can use -- we -- board you can use ADRs -- pick axes or whatever you want. We can't show every possible configuration issue answers to be focusing on this. For those and for those who have never before. I use any kind of integrated circuits integrated circuits always have a little did it on the top of them which basically says this is up. If there's not a physical damage if we look down on our stand here. I'm it's got a little -- more right there and basically that says this is up. So the replacing things on the board you know which is up service start replacing our timing circuit. On the bottom of our board."

" Just pops him like that. On and now we need to hook it up and give it both power and feedback to the input output circuits of these extent. So again it put the didn't hear the first thing we're gonna do is we're going to put in our timing and crystal. Com and it's kind officials are just tiny tiny little things it's really no thicker than a wire so it's very easy to lose so be careful with. With this and this goes between -- two and three. Are. Clock circuit so."

" Pin number one is always the upper left pin it and it goes around counter clockwise in the new 1234. 5678. So we're we're assembling or circuit is it's important to know which pins were talking to. So I know filled tends to and three with our little. Tightening crystal right here. And now we need to bring power. To the circuit and on our Carol explored. We have two types of power we have input power which is voltage in which could be a nine volt battery it could be in our case -- can use. Twelve -- coming from there the robot. We also have deregulated power so great here this is actually a voltage regulator. And it always gives a very clean fight bulls which coincidentally or not which coincidentally in fact. This integrated circuit runs on five -- scenario put a jumper between what's called dvd which is you're regulated voltage. And we're gonna put that over to pin number one. So now the integrated circuit has power. Now the circuit has to start talking to. The basic step and on this particular board you can see that this black strict here has the labels of pins zero through fifteen. The basics -- has sixteen inputs and outputs depending on which pick -- stamp or -- we know you're using. Depends on how many inputs and outputs you have. I o.s are always listening in Rogers so it's never one to sixteen it's always 0215. So now we need to talk to depend. And we're gonna put eight resist her. A 1000. Ohm resistor between. Pins zero. Of apparel export was put it to put it over eastern right here."

" And pin to six of the integrated circuit."

" So the nice thing about these kinds of prototype in words is as you can pop wires in. Quite easily. So we also need to run from pins. Five and seven. -- back to the integrated circuit so pin one in -- are apparel lacks basic stamp is gonna go to pin seven. Of our timing circuit. And -- To of our basic -- Is getting go to -- five. Of our time and answer it. -- cross these over. Okay. We're almost done. Now the next thing we need to do is we need to. Do it that. Timing circuit grounded. So it's got power to the circuit but that power -- then dead ends and needs to cycle back through to the ground of the final circuit. And sir going to do that with a little -- And we're gonna be needing some ground -- Current leader on for the blind follower so when I would do is I'm actually going to move. From here which is aground. -- up here. Which will be using later. And now are grounding tens over here. So now we've grounded out. Our pin. And finally we need one less thing is. What's to turn off domain controller. This. Will lose its memory and so we want it always know what time of day it is what day of the week it is so and so forth so it needs basically a little back up. Memories. And so what we're gonna do. Is on him eight we're gonna add three volts so. You can do three -- of -- ways in in this case I'm using two double A batteries and here's a double -- battery holder and just put two double A batteries. In this -- holder. So now we're gonna do is -- them read positively to the battery holder. They're going to put that against pin number eight. Are integrated circuit. Hillary take the ground. Are. Three volt battery holder Amber's gonna share the ground with the rest of the board and that will complete the circuit. So that's -- completed tiny circuit. But now we need to do is we need to finish this off by adding. All of the line following circuits up here is so if you'll notice we've got four leads now. What other things to know about. Color coded wires is is that they're no difference in terms of the actual wires color coding is used so that you the end user know you know what line is what. What I don't like about these QTI circuits is they change the standard which is really really really bad idea. Under all other circumstances if you're using a standard. Tri color of lead such as this. You'll find him first serve those force solar arrays for just about everything and in every instance except for these cute yeah I circuits black is negative. Red is positive current. And white is the actual data signal. So for whatever reason whoever came up with these cute yeah -- circuits has decided just to reverse that and red is now actually. The not the power but red is now the control the data current. The -- line. And white is now power which is really extraordinarily bad idea for people who have a lot of experience with this. So basically if you got a lot of experience with these kinds of cables being very careful what you're doing. So that you we remember that the standard color coordination is not. Red is power positive and white is data but those two have been reversed so when you're building your board keep that in mind. Another thing you can do is make your own cables using cheap inexpensive CDS -- myself I'd. Arrays which you can make for about fifteen cents I like to be strictly because they look a little bit better so it's gonna make the robot look a little bit nicer as it's following one. So now we have to do is we have to build up the circuit for. And we're gonna use little jumper pins and so now I'm gonna quickly assemble all of those as well as connect. Data input from the QTI cells back here. Today -- send that information back to remain micro controller. So -- product word force -- for using force sensors bring need to use for his reasons for 37. And and we've got the corresponding black lines right here so it's very easy for us to see on this particular board that we would use pins for 56 and seven and we have. Little black lines here we're hooked up to those using jumpers know you can get a jump percent for about ten bucks from a company like Jane co. It's in our case for he's he's jumpers. And he's jumpers are gonna go from those pins to our eventual header and some of popular had depends."

" And these header pins. They're going to allow us to quickly and easily. Installed. Are -- file in such as. Perfect if he should."

" All right so now we've connected all of our data points in which -- notice is is that on all of these jumper pins I'm sharing lines basically that just makes it easier. The you don't have to put it as many different jumper pins on this so these particular jumpers if you noticed these two were sharing in these two are sharing in the east were sharing. And what that means is that it's just easier to provide power and ground to all of the pins with out. Using too many extra. Jumper pins. I'm -- reduce red hook up our -- follower in the ring to do basic tasks of the system. To make sure that both Oliver -- following sensors are working as well as -- clock is working. So now we -- all of the basic electronics and now we want to do was one of programming to make sure that eight. It's going to take the date and time code and the couple -- after we turn to turn the power on and off. I'm in. So the first thing or do is we're gonna program. The liquor control here with -- with proper time. So the run this program. And now we want to set the date and time Serena and her. Basic information. Just currently. 2009. It is. May. Seven. It is Thursday as machines. The one in 24 hour. Because that's the way aero is currently 140 funds. Thirteen. 45. Bitterness at the time. Kate and analysts frontier displeased him we can see here that it's actually working properly. That the time is properly displayed according to which programs it now. Just like your clocks at home sometimes power goes -- the next images and her off. The power to the stamp and micro controller board but we've still got that two double A powered backup. Into the that timing chip and so hopefully it will stay. And the time should always keep track what time it is through that pattern back up which the last about a week maybe we can. It's more than enough time for us to have a beer at port 53 to get some turn off the power -- Now that's off. But the battery -- and still connected so the return back earns. You know let's go back Hillary check back on the screen and see. And hate it still displayed so we do know that. Not only does the timing chip still work. But we know that the battery backups to work so that. It even if the power of the robot is lost it will still always try to turn itself on every day act. 453. So now the next thing we need to do is -- our -- sensors in your little black and white sensors really their life and contrast sensors so even though my hand is very right. I can put my hand all the way over this and what that'll do is it'll block off all light in essentially mimic a black field. So now let's run that program. And so. What we're seeing here. Is did the different sensors for different sensors. And we're just giving -- pioneering field of zero or one depending on whether it's black and white so as I covered these you can see. We can get different. Readings -- and how I'm covering. Two different to different things as a as a cover. The sensors with my hand and block the light off of it I can cheat and into different different values here. So now we know that basically. Our micro controller works completely. All we've got to do is you can combine these two programs and then send power from here. Via pulse width modulation signal works the exact same as what we need or -- solar -- came up and said hey you have mail. We're doing the exact same thing except now we're sending incentive. Control to -- we're sending it to speed controller which is sort of like. For our robot. On the motor to gearbox in the speed controller together act fundamentally the same. As the -- which is much more bigger much more powerful and broken up into three components rather than having those three components combined. Into -- scenario take our robot or take. On our handy smaller cheaper. Speak controller for about power and -- to put all of these together. And see if it's the robot will move and hopefully I'm deliver -- casinos get."

" Tired shoot this video just check it out. -- Patrick is going to hook up to the motors and batteries to our speed controller and in the state controller. Just plugs right into the -- moments. The paralyzed port. Most of the other boards you can buy out there also have very similar three prong malice can plug into on the speed controller like this and then it's just a question. Making slight changes look with the program so that the robot knows when to stop at the end of the line. And then. Hopefully delivering a beer at 453 this afternoon so these of the two motor controllers just -- and put -- this is quite obviously mark -- exactly on and I have seen many many many speed controllers in my time hooked up. We're in reverse. And as soon as you turn the power on those things blow up it's really cool you lose all your magic smoke on my scene -- completely melt. I'm Jim in need of tech shop during last panel must -- things. Cooked off almost the controller to learn. And others that."

" So we're using the parallel ax. Tiny circuit code we're modifying and that's to have an alarm clock is natively Cumberland. We're using standard line following -- which is basically says that. Alignment should be two. Basically a standard of electrical tape. Covers two of these -- exactly and so than the other two sensors. I'm looking for ways to basically if the -- Lying comes over here now we know that it's covering these two sensors rather needs to and then the robot should turn it. And covered these two some basically. What's happening in terms of the programming is the robot always wants to have -- to censors seem black and outside to censors seem flight. Now what's all force sensors he -- because we do it happening for lack. T at the bottom so so the black line we're coming this in this in this the end to be solid black T and that tells you about a hot. When I see all four of you are black that tells me to stop."

" So what we can see we've got here is here we've got our or Circuit Court recession controlling on these things easier wires coming through the tour freshly installed amounted. Six. CS or -- which -- and attacked. The lines and see one to three for her adolescents -- here. And we've also got our clock shifts to monitor and now. The new -- controller less expensive. Scorpion XL speed controller is in here. And it gets its -- modulation signal from apparel export comes back in and that tells motors how fast to go in which direction. And and -- motors fact here are Chinese surplus. Joe motors com and then get their power from over here and it and of course we have the main battery pack and -- battery packed. Was the battery pack from the Joomla or itself we just look at out of that to a lower housing. And then put some leads on it so now we basically have a fully working robot which is autonomous and can follow lines and can turn itself on. Act 453 -- or if you -- so that I get me here at fort."

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" Not disappear for a robot but if all introduction to building in -- you can -- on my fault lines following whereabouts which is one of the events -- the international -- games this June 12 through fourteenth in San Francisco if you built one of these robots. You can take it in competing against teams from America Canada Indonesia. India. All throughout Europe Mexico all over the place as well as the other you know fifty -- competition such as robot -- And -- thirty pound trainers can be used in -- comment -- games."

" Follow lines to combat picture and now with -- lots of these are deliberately keep your hacked dealers of the new -- reviews have. Five recently talked about virtualization to force attacks out of the end the best tools to backtrack. Is just on this talk about -- at ports NAS track and -- this week. Victory or protect your corporate network from you -- your home network. Usually every Wednesday recently dot com slash Hak5 and as always any ideas comments or suggestions. Email us at system at revision3.com. Don't forget to visit the forums at revision3.com slash where the -- every game itself. And visitor archives or Katrina com slash system. I can't talk and."