About: I am a French Canadian that loves robots and embedded electronics. I work on all kinds of cool projects, like a high-power electric push scooter controlled with an Arduino. Please visit my website for more cool projects: www.JeromeDemers.com
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Comment: I am re-using this protoboard for a new project. I see some design mistake in the power…
Comment: Solarbotics brought me here! this is badass!
Comment: hello you are also there. It is normal that when you press the right switch the left …
Comment: Very clever! I like it!
Comment: You can glue the antenna directly to the switch. Yes you can make the antenna and the …
Comment: Wow! I will definitively give it a try!
Comment: well not really, only if you find an innovating way to trigger the swt with the antenna…
Comment: Merci, je vous souhaite bonne chance! Si vous avez le temps, spv envoyer moi des photos…
Comment: Why don't you sell those EMG electrode on your site? It is wrtting on your site "Advan…
Comment: I was going to ask the same thing!I remember reading about it on MAKE blog and it was p…
Comment: Your instructables is very good for your first one! Great graphic and explanation.If yo…
Comment: Attend de voir le vidéo! :Pj'upload sa demain matin!Merci!
Comment: if you press and something moves, that mean thre is a bad connection is the battery cas…
Comment: nobut you need some grip or else the motor shaft is too shinny and it will slip on the …
Comment: Hey! That is very neat!I was also thinking of making one for water but never actually m…
Comment: yes you can, put you need a gearbox with the DC motor.Check out GM8 GM9, motors from so…
Comment: Hey thanks, is it because I wrote in step 11 "I want to write in Cantonese" ?
Comment: Hey Thanks, I have NO problem with people correcting me! That is how you learn. Btw, I …
Comment: Thanks! I had a lot of fun!
Comment: There is no diode in diagram of step 15, those are green arrows to show the direction o…
Comment: both motor reverse!So that is it.simple and efficient!
Comment: microswitch will work, they are the same but smaller.Good luck!Jerome
Comment: you got it wrong, that is pin 3 and 4, the chip is upside down. It connected like that …
Comment: I don't understand your question, the RPM of each motor is different, that is why is ma…
Comment: Make one wheel bigger then the other one.
Comment: simple DC motor does not have a gear box, that mean no power to make the robot walk. Ea…
Comment: Nice insutructables, I like the way you use the 1:4.5 gear reduction with the CIM motor…
Comment: haha Thanks!
Comment: No since they don't have any spring to toggle back the switch to it's initial state. A…
Comment: It is impossible to make that robot without the third connection. The third connection …
Comment: Your motor will work with 3V. Your robot will move.
Comment: in mouse they don't have any metal lever. You can make your own metal lever with a pape…
Comment: I seen people use a nail! You will have to wrap the wire over itself or something. htt…
Comment: I would like to see that. When it slide to one end, how you make it return back? ( slid…
Comment: http://www.fairchildsemi.com/ds/74/74AC240.pdf page 2 absolute max rating is 7V, the…
Comment: OK we are saturday night and the light is VERY dim that is 5 days! It was powered for …
Comment: yes I lived there for 4 months. I was in the research and development departement and w…
Comment: because it was a 4 months internship that is 3000 km (1 864 miles ) away from home! I …
Comment: I just added 4 battery only. I don't know where all the dead batteries in the house wen…
Comment: yep! I really miss that laser!
Comment: For a limited time only, get the Solar Powered Miniball Wannabe for 3 easy payment of 3…
Comment: HAHAHA! I went to put the batteries and it was already FULL of batteries! I think my DA…
Comment: I did not test it yet. I normally power the thing with 1 AA battery for the entire nigh…
Comment: hello I check the datasheet of the 9014 and it seems to be a general purpose transistor…
Comment: in my setup, each motor runs on 1,5V. If you want to run the motor at 3V you will need …
Comment: hello, The motor takes the power from the SPDT switch and the third connection. The 3V…
Comment: I did 2 internship at Solarbotics and I am the one who design the kit :) I still work f…
Comment: There is NO instructions, the track ball mouvement need more detail. picture of the de…
Comment: yes you can!
Comment: you can use ceramic, that is normally what is use in bicore. Tantalum are more expensiv…
Comment: Normally, to peek people interest, it is recommended to put the video on the main page.…
Comment: hey thanks It is not really a beetle robot but a battery powered photopper design. htt…
Comment: hey man You took the image of step 15 directly from my Make article! http://www.make-d…
Comment: I guest you can't wait to come back in Canada too :P
Comment: It is superfly289scroll down until you see some images.
Comment: Hey, funny instructables! Nicelly done for your first one. btw, welcome to this wonder…
Comment: Usted puede encontrar que el plástico de la tienda de electrónica. También puede utiliz…
Comment: hello, those motor should do the job. have fun Jerome
Comment: the timing is done with the capacitor and the resistor. Do you really have .22uF? what…
Comment: try to change the resistor with something smaller. Got 1Meg or 680K the oscillation wil…
Comment: Hello, I got that gear from a VCR. You could check all electronics to get a gear like …
Comment: you have 2 ways to build the robot. with NO switch or with a switch if you want NO…
Comment: hello, did you look at the pictures in step 16? Look where the switch is place There …
Comment: some parts can not be find in broken stuff... euh... if you search really long you mi…
Comment: FREE!
Comment: step 2 this link http://www.solarbotics.com/products/60010/ 23$ and you will also ne…
Comment: I when to my local art store, they use those sphere for home made Xmas ornaments. They…
Comment: I agree that a circuit diagram should be something I should of added.
Comment: the bead is the transformer core. Like any other transformer, you have a core to make t…
Comment: hey! I pimp that scooter using a 1480W brushless motor and with lithium batteries. I …
Comment: I would recommend to get a screw that fits in the shaft hole. Then you could solder to …
Comment: Are you sure about that? did you really check all the step...
Comment: Here is my scooter! I can go up to 25mph ( 40.3km/h)!!I got a 1480W brushless motor wit…
Comment: yes it has to be a 74xx240 chipthe xx mean HCT, AC, etc.If that was not a specific IC i…
Comment: Nice instructable!! Keep up the good work! Jerome
Comment: The motor are perfect and good choice.The power switch you showed me will work perfect.…
Comment: go at home depot and buy the blue ones, canadian tire also have them Have fun!
Comment: Hey, my friend told me that I was on Daily planet!I was in school programming DSP in as…
Comment: Sorry, it can only work with SPDT switch. No other swith except home made version will …
Comment: Génial alors! Je suis bien content que ca marche! Au prochain projet, Jerome
Comment: The pager size motor gear box is not enough powerful.The second motor is perfect.Check …
Comment: If you use a pager motor, you need a gearbox. You can also use lithium battery but be s…
Comment: It depends. I would say 3 hours.
Comment: LOL your welcome!
Comment: Hey man! Welcome to instructables. Very clever idea and nice instrutables! I give you…
Comment: Hey Rosenred, Thanks for the comment, I have a blast writting them. I had to keep it s…
Comment: depend how big you make it! it is palm size.
Comment: melted Nutella! HUMM! :DYou gave me idea. I might try mapple syrups, the good old Québe…
Comment: Hello, I made 4 super drumstick with my girlfriend friday night with the chocolate cen…
Comment: was it making noise before? Are they the same brand? Do you have the terminal connecto…
Comment: Have you look closelly at the terminal connector attach to the switch?The connector sli…
Comment: We can totally see that you guys are in summer break! I am studying like hell for final…
Comment: euhh... I don't thinnk I understand your question. magnets near a battery does not mat…
Comment: you are not getting on my nerves.Does it have to be a particular kind of IC chipIf I as…
Comment: oh ya, I am suppose to answer that question. Are you sure both motor where working bef…
Comment: ok, let see the logic if you said you wired everything right, it should work perfectly…
Comment: You are very welcome! That is GREAT! Thanks for sharing! Did you spend the entire mone…
Comment: the PCB one? What robot? The beetle robot? You already have the schematic, so you can…
Comment: 3/32 for the heat shrink. The motor shaft depend of company that makes them. Mine are …
Comment: Hello, When you need to press the switch to see action, the problem is the third conne…
Comment: Salut Sjoobbani,If if turn in circle, it could be two things, one motor is stop and the…
Comment: hello, You can not make the a third connection with a 9V battery the third connection…
Comment: The LED are the most expensive, you could use less LED if you want. I would say that w…
Comment: Are you telling me that "step 1 - All the parts" is not clear?
Comment: Thank you! I just made my own photo table for high quality pictures in my future proje…
Comment: This circuit can only be powered by batteries. Connect the circuit to 5V and you will n…
Comment: go at radio shack man!
Comment: Solder it using silver solder and file the tabs or scratch it before soldering. beware…
Comment: Wow I never say that comment. lol Thanks/Merci!
Comment: it is a waste of time. The day you will want something that look nice and pro, like c…
Comment: both battery are connected together. The third connection is the wire that is connecte…
Comment: hahaha! That is really cool! thank you for sharing! Jerome
Comment: I like your robot! Microcore circuit then to do the same thing. You will see that ever…
Comment: cool! Thanks
Comment: I use AA but AAA can work
Comment: You are going to solder them together, so yes.
Comment: hello, that is normal due to the fact that it is a bicore. Mine does the same thing. T…
Comment: yes the motor only work is 1,5V so that is why you need 1,5V motors. You can also use…
Comment: I was thinking about solarcell to charge 1,5V battery and have infinity light. Thanks
Comment: It is the same coil, I did no wrap more. I think that is the other side of the coil. If…
Comment: Got point, I just correct that. Thanks! Jerome
Comment: Maybe on ebay I could get cheap RBG and make funky looking stuff. I could have a this …
Comment: there is no magic circuit for parallel battery I would use 15 battery for 15 circuit a…
Comment: It does not matter, the LED will glow when the sine wave is on the positive side. You …
Comment: hello, you are missing the third connection, You can see in the picture,it is missing.…
Comment: Nice instructrables but yours pictures are very small!
Comment: That is pretty neat! I like it!
Comment: hello; if you have less LED it will light more. you can also have more then one circu…
Comment: Ok,You have 2 leads coming out of the battery holder. So 4 in total.#1 battery holder h…
Comment: loll thanks! :P
Comment: I think that 1/16 should do.
Comment: nope, it does not have any sensor. It can not backup. I am working on a other version …
Comment: 7,2V would problably be not enough.You said DC motor but I did not read with gearbox. Y…
Comment: Yes there was a big depate with this webiste, read the comments! really funny I think…
Comment: hello, It does not balance on two wheels. It has a back caster. So it has 3 resting po…
Comment: That is the old driver, I got a other one that was more user friendly for saving and ot…
Comment: Yes, everything with chloride is not laser safe.The fume created by the plastic will da…
Comment: Very interesting! Will try it. Thanks! ps- You love orange! :-)
Comment: yes
Comment: Hello, Will silkscreen on acrylic sheet last? or work? Will the paste hold on the shi…
Comment: Oui, j'ai deja vue ce papillon et j'en est acheter un pi j'ai jouer avec 5 seconde pi j…
Comment: yes it would work.
Comment: inside or outside does not matter. Solder the way it is more easy for youl
Comment: you can use 3V motors, the robot will be juste a little bit slow. The hole concept of …
Comment: loll it does not STOP it reverse! haha Solarpowered robot use the trick of stoping t…
Comment: No you don't have a job yet... When on your website.plan on graduating with a degree in…
Comment: That is really amazing! You should but the video on the front page and not on last ste…
Comment: I was going to post a instructable like that. I use a old marker pen and only solder th…
Comment: Will note that circuit and try to make the modification around this concept. Some of my…
Comment: Salut Patented! Le ferrite bead sert de noyaux du transformateur! Dans ce circuit si, …
Comment: haha! Thanks, I personnally thought that my english was better until I listen to the v…
Comment: hey, I have set a goal to make my instructables really neat looking and clear. I also …
Comment: Welcome to instructables! That is a pretty neat concept of using object to draw stuff.
Comment: Thank you! That was just a concept that had to be made into reallity. I am glad I made…
Comment: Thanks! Really motivating to see all the good feedback!
Comment: Hello, All the kids around the office really love it, they all want to keep it. My gi…
Comment: You can use mono or stereo. I started with mono and bought a second one but got stereo …
Comment: Thanks Jessy! You should also keep up the good work!
Comment: hello, I only tested with 1 single battery and I got more then 24hours of light. I wa…
Comment: I only tested with 1 single battery and I got more then 24hours of light. After the wee…
Comment: hello, I did try adding a variable resistor and it works. Then my boss told what is t…
Comment: Hello, Something the design on Yanko are sometime just a proof of concept and hard to …
Comment: Hey, Yes, I was really happy when I saw this article, really motivating!! Thanks Jerome
Comment: Hello, We had this conversation and I am trying to figure a way to have a photodiode/p…
Comment: Hey Chaitanyak! Your the guy with the Pepsi Can Crab! When I saw your instructable, I …
Comment: hello, You should build the version 2 of the beetle robot, there is only like 3 wires.…
Comment: Hello and thank you!The plates are only there to make contact for the battery. It is no…
Comment: It is call heat shrink and it is a tuing that shink when heat is apply to it. You put …
Comment: haha! I personnaly love that green and my roomate reaction was awesome! It was 10pm an…
Comment: hey You know that back caster, I have the same one, and I was wondering how to secure …
Comment: Thank you!
Comment: Thank you! You could beat Fungus if you subscribe :P
Comment: hello, That is just a pretty picture :-) I was very carefull when I cut that and I kn…
Comment: I am so happy they have the April fools contest! I have this intructables in my unpubl…
Comment: hello,I forgot about that linkhere it is:http://www.instructables.com/id/Universal-lamp…
Comment: Hello and thank you. Yes the battery in parallel can be a problem, this is sort of a b…
Comment: This guy on youtube powers his chrismas set of light with a single AA battery!!And he a…
Comment: The 1K resistor is only there to have the right amount of current at the base of the tr…
Comment: Hey thank for the name, I will edit and add the name.
Comment: tight the input to the power and the other input to ground Let's say you power the cir…
Comment: YES! connect the output of the bicore to the input of the h-bridge. Your 74HCT240 doe…
Comment: hello, You should play with the antenna geometry. Try to get the antenna to go foward…
Comment: Yes that is the problem, you need the opposite motor to reverse direction, it will help…
Comment: hello, You need the bicore circuit because this his the brain, it make the motor oscil…
Comment: It is both!
Comment: Hello Rosemore,I got the lumen from site that sell high powered LED.http://www.dealextr…
Comment: that motor work, I use those motors. Be sure it is 1.5V motors.
Comment: 2700K = warm white3500K = soft White4100K = cool white6500K =daylightin those range
Comment: OMG! Do you know what you are talking about? To be approuve Energy star, you need you…
Comment: herehttp://www.solarbotics.com/products/abgchw/
Comment: yes, pager motor could be a little bit to small but I think they could work! be sure to…
Comment: that will work, just slower.
Comment: Thanks, I have a new version that is way better. I am planning to make an instructables…
Comment: Very nice robot. I see that is use the same circuit has the beetle robot.
Comment: I will take that in concideration for my next instructables, I am making soon. check o…
Comment: Wow nice! Keep it up! This is so motivating!
Comment: You are going to glue them to the batttery holder so that makes no difference at all. I…
Comment: By the way, go check that websitehttp://www.rotundus.se/a security rolling ball!Jerome
Comment: Very great robot!The technician at my university made one a while back using the same a…
Comment: You made my day! That is the most coolest thing ever! I give you 5 stars! Great firs…
Comment: hello, I might have trouble since I am 3000km away from home. I am making an intern. I…
Comment: The answer is very simple, when I made that robot back in 2000, cheap plastic gear moto…
Comment: Very nice, I have the same robot on my to-do-list. I have a DELL latitude and they hav…
Comment: Hello, You have more grip then you incline the motors. You have a better surface of co…
Comment: this is true, but when I added rubber it did not move, because the legs were not liftin…
Comment: Answer: brushed DC motorsAC motor work with the power coming out of your outletDC works…
Comment: Be sure you have a 74AC24074HCT240 will have a harder time to drive the motor.the 3meg …
Comment: very simplecheck herehttp://www.instructables.com/id/S848A4UF2FRVD23/and herehttp://en.…
Comment: Yes you are right, it is the exact same thing!Someone else already showed that to me. C…
Comment: LOLL never thought about that!! That could be cool! Thanks ps- It could be possible …
Comment: yes it can fit inside a mouse. Good luck! Jerome
Comment: I have learn all my stuff on the internet! google.com is your best friend. stay in sc…
Comment: Hello, You can put some small wheels if you want. Beware that the robot will go fast! …
Comment: Try to change the angle of the motors. Add some blogs of hot glue on the shaft to make…
Comment: Hey Thanks Defferson! I hope you enjoy the sun you have in Brasil, because here in Q…
Comment: hot glue is not the best fo real permanent application. Epoxy is good but depends on h…
Comment: instead of powering the motor with 3Volts, you power the motor with 1,5Volts since the…
Comment: I just made one but my coat hanger has a big gauge ( small diameter) and it really does…
Comment: check the other version. The beetle robot version 2 is much better and easy to build.ht…
Comment: your robot will go way to fast! You will break the switchs when the robot hits a obsta…
Comment: Thank you very much! Congradulation and good luck in your futur projects! Jerome
Comment: it does not matter if it has two holes, you simply need a way to solder a wire for powe…
Comment: There is no problem, quite a few people have ask me the same question. I just ask peopl…
Comment: You do not break the connection. You use the 3Volts battery holder to make two 1,5Volt…
Comment: woot woot! Congradulation! Thanks! Jerome
Comment: recheck the connection are the both the same motors? 1,5Volts? did you put heatshrink…
Comment: those it spin in on a dime? swamp the connection of the reversing motor.or does it make…
Comment: Plastic is not conductive and can not be solder, it will melt. You need to solder to th…
Comment: euh... I was talking to Brandon... By the way, thanks Mattmoon. I don't know why there…
Comment: HAHA I did not take time to real all the other licenses. If someone wants use my ide…
Comment: I don't think you have seen the future! :P lollhttp://www.solarbotics.com/products/gm4/…
Comment: This robot does not have any sensor! It is a blind robot that only walks straight. Whe…
Comment: check this one firsthttp://www.instructables.com/id/How-to-Build-a-Robot-The-BeetleBot-…
Comment: hello, You could add print screen to ease understanding for lazy people like me. Keep…
Comment: I don't think it will work with tilt switchs. The principal will work but not in real …
Comment: Yes my friend! I recommend thick cardboard. You can try thin if you want. It will work.
Comment: This is a amazing device! The only problem I see with this device is the RPM of the mo…
Comment: Try to make long and sturdy antenna. Like a longer lever. The angle the switch could …
Comment: MAN! I have problem with step 12! I can't get my laptop to boot! Can you help me?…
Comment: I hope that you now understand what is a bad connection. HAHA! Congrats! Jerom…
Comment: so on the other end of your battery holder you have a other wire? the opposite of your…
Comment: checkhttp://www.instructables.com/id/SSHTFBXF2NOBNH1/did you measure the voltage on the…
Comment: well, the other day, I thought everything was find and it was not. I was pressing the …
Comment: yes!
Comment: I have already bought motors from radioscrap that were use in a beetle robot! so you c…
Comment: look for the third connection. If you have a bad third connection, then the robot will…
Comment: Ok endolith,You make a 556 annoy a tron. Post the instructables here.You try to make th…
Comment: 1 week away! Don't give up!
Comment: This instructable is part of the one motor walker.http://www.instructables.com/id/How-t…
Comment: I made one and it works! Thanks I throw with by hand since I am in the office :P …
Comment: I have just saw the modification. Waiting is going to be hard! Oh well... back to in…
Comment: I_am_Quebecer! loll thanks man!
Comment: less then 10$ 1$ per switchs 1$ per motors 1$ for the battery holder. if you don't co…
Comment: With this design, the robot can not go backward! When I design it, I thought I could ba…
Comment: servo motor are not waterproof.motor spin fastservomotor spin slowA motor spin fast. ex…
Comment: Thanks!
Comment: These motors are so slow that you don't really need to play with speed. Some sumo robo…
Comment: I am really happy! People seem to make it work the first time... second time! :P That…
Comment: Search google for line following robot shematic/circuit. You don't need the exact circ…
Comment: That is correct!
Comment: You can put LED if you want. That is something I forgot in this instructables. red LED…
Comment: haha thanks!
Comment: lol you forgot the third connection! See Step 12 You can see it in the picture! There…
Comment: I like you image. Next time I will post a sort of blank instructable and add it to t…
Comment: You could use the GM8 from solarboticshttp://www.solarbotics.com/products/gm8/don't for…
Comment: Salut monsieur le patented! Je repond en anglais car la question est pertiente. W…
Comment: That is pretty neat, I like it! Thanks
Comment: This is what I need, a simple motor with a gearbox.
Comment: Already featured after 30min? Cool :D
Comment: That is insane! I like the motor configuration. By having the motor at the back and th…
Comment: I could of bet all the money in the world that someone would say that :P SInce I knew,…
Comment: hello,this is a copy paste of a other comment.http://allelectronics.com/http://goldmine…
Comment: I don't really understand what you mean...you mean like thishttp://www.wisoveg.de/bve/s…
Comment: Yes I know! No wires! Thanks!
Comment: Their was something going on when I read: i'm going to take ur picturesPeople don't te…
Comment: http://allelectronics.com/http://goldmine-elec.com/http://www.solarbotics.com/You can g…
Comment: I am the author of these pictures.This mean I decide if they a copyright or not.quote f…
Comment: I updated the instructable july 3rdHere is the digital version of my article.http://www…
Comment: That is cool project, ask you question here if you have trouble! Thank you! Jerome
Comment: Thanks! I have learn something usefull in university. KISS Keep It Simple Stupid!
Comment: here you can make robotic spyder.http://www.lynxmotion.com/Category.aspx?CategoryID=3br…
Comment: I am making a internship and I don't live at home. In the weekends, I go back home and …
Comment: hello Lftndbt, Yes there where a debate on a other website on this. Someone made a tut…
Comment: Thank you!!
Comment: Does it go backward? What do you mean opposite? Does it go foward when put on the floor…
Comment: A flowchart for the software would be very nice!Visio or Violet ( free )http://mac.soft…
Comment: That is really sick man! I WANT ONE!!!! HAHAHAHAHA!!!!! there is a serious business…
Comment: Tu viens pas de Blainville pour VRAI! NO WAY!!Moi je suis de sherbrooke et j'etudie en …
Comment: Thanks man! If you got any problem, ask you question here!
Comment: hello! I have design the first one and design the second one. The big thing is the way…
Comment: the link is http://www.instructables.com/id/How-to-Build-a-Robot-The-BeetleBot-v2-Revis…
Comment: ANTOINE! c'est toi hen? babou, c'est clair que c'est toi! loll
Comment: hello and thanks! I have design ( on paper ) a other beetle robot that will move on a …
Comment: HAHAHA! Thank you!
Comment: why is the Deadline for entries: June 29, 2008 11:59 PM PST not edited?I just don't wan…
Comment: ops I forgot to respond :Pif we think about this32 kid with 1h451h45 = 105 minutes105 m…
Comment: hello this depend of many things. How many tutor ( teacher ) are helping? How many to…
Comment: This one?HEXBUG™ Micro Robotic Creature http://rsk.imageg.net/graphics/product_images/p…
Comment: you are talking about what? the battery holder? motors? SPDT switchs? Don't buy there…
Comment: salut! C'est bizarre car j'ai reçu ta réponse avant ta question :P ( par email je reço…
Comment: you forgot the CAPLOCK key :P lollin a 4-AA battery holder the 4 battery are in series …
Comment: HELLO MAN!I HAVE NO CLUE WHY ONE MOTOR IS FASTER THEN THE OTHER ONE!I AM GLAD YOU GOT T…
Comment: change song!
Comment: Thank you! I love to hear that! Very motivating! thanks again! Jerome
Comment: You need two battery to make this robot work. So you will need two 9Volts battery. Y…
Comment: well... I wonder if I should anwer that question... did you read the tutorial??? …
Comment: pager motor could be use but not sure if they are powerful engough. You need a light ro…
Comment: I have some hard time understanding your question. I use paper clip and glue them on th…
Comment: this instructables tells you to use the + to + and the - to - Read step 4: Tap the …
Comment: true! :P
Comment: heat shrink! You will lose torque with wheels and your robot might jam. Thanks …
Comment: who care if he is not original. Do you think your tic tac toe joule thief light is bett…
Comment: Very Very nice!! Thanks for posting the pictures!! Very motivating too! Jerome
Comment: hello That is really cool! Thanks for sharing! ps- I like your homemade door bell…
Comment: Very nice! If you can, please send pictures! Thanks again! Jerome
Comment: Hello, Yes I wrote the article in MAKE volume 12!! I buy my SPDT switch from digi…
Comment: no, you put the switch directly in serie with wirenormal wireo-------------------------…
Comment: Thank you very much the picture and the tip! All type of glue need some good grip to…
Comment: printer, VCR, computer mouse, etc
Comment: I think the problem is the third connection. It is not there ( missing ) Battery holde…
Comment: they are connected in serieo---------------------oo------------------------oyou have 2 …
Comment: Really nice! I have a radiosharck pocket tone dialer. I was only able to make it wor…
Comment: WOW! My friend made the exact same thing!! He gave this to a friend yesterday! He ma…
Comment: He is building a Quatrocopter!
Comment: http://en.wikipedia.org/wiki/Printed_circuit_boardPCB = Printed Circuit Boardyou should…
Comment: hola, there is no microchip processor in my robots... the dark red beetle robot h…
Comment: hello, cut the third connection wire in the middle and solder the switch there boom!
Comment: haha!I am studying at the University of Sherbrooke in Electronic engineering.What are y…
Comment: That is pretty cool! Congratulation!
Comment: Yo Darkshot!I have been busy with school and ROBOTS!I won first place in the 3Kg sumo a…
Comment: Do you mean the crossed antenna? I wrote a article in the next MAKE magazine! It is no…
Comment: Thank you for building it! I am happy you like it!
Comment: YES I know! I made that prototype to know if that would be cool to make. It is cool :P…
Comment: Thank you very much!
Comment: wellI made my own research and found this http://www.ladyada.net/make/tvbgone/download.…
Comment: hello What is the frequency I should get at pin 3? Thanks!
Comment: Hey Darkshot! How is your WRESTLING injury doing? got to make this robot work? I …
Comment: lolleuh the right motor does not work...don't add RC wheel! GDI! MAKE IT WORK FIRST!doe…
Comment: first thing first!Which motor is spinning which way?LEFT MOTOR = backwardRIGHT MOTOR = …
Comment: Send this to the MythBuster! HAHA! They already made a episode on gas economy, so…
Comment: no only AA battery if you don't have them
Comment: My robot do the same thing but they bump and rebump until they move away. Make one ant…
Comment: this is very easy to add the switch! When your robot will work, I will tell two easy…
Comment: When you robot will work I will tell you! Otherwise this will be harder to debug if …
Comment: first does your robot works? Does it avoid obstacles in his path?
Comment: I don't understand your question.
Comment: get by the INSIDE then! When you insert the battery into the battery holder, you can…
Comment: Hey,Check step 6, you solder a wire to the metal tab on the AA battery holder …
Comment: The opposite motor is suppose to reverse. Check your third connection! (step 6) t…
Comment: take a look a your spinning robot. one motor is spinning backward, so swap this motor …
Comment: HOW DID YOU GET THOSE WISKERS (PAPERCLIPS) SO STRAIGHT?it took me 3 years of studying t…
Comment: you could light up a LED if you want.The flat spot on the LED is the Cathodehttp://en.w…
Comment: no, it will only go foward and not reverse the opposite motor when it hits a obstacl…
Comment: I use my biomech fingers! They are call plier.
Comment: hello!I first say this display in a micromouse Min4Ahttp://www.np.edu.sg/alpha/nbk/umou…
Comment: HelloDo you use the chip enables (CE1, CE2, CE3, CE4)?I don't think you do. I was wonde…
Comment: you are funny man! 1) it can go aound 12mph 2) you can build it with 9V battery ( d…
Comment: I made a new design and it took me less then 30 minutes
Comment: Easy fix!! Swap the wire of the left motor ( the one that spin backward ) You have …
Comment: You made a very nice instructable! I would love to see a detail picture of your PCB yo…
Comment: That is SO COOL!!! I could make the poster move with servo and everything! Imagine…
Comment: http://www.mouser.com/search/Refine.aspx?Ne=254016%2b1447464&N=1323038%2b254119&Ns=P_SF…
Comment: salut! Yes, one battery will power both motor! You could use two independant motors …
Comment: hello, SMS-220 do work but are a little bit hard to trigger. You have to be carefull…
Comment: This design is perfect! Learn this in France when I was camping. I used to catch be…
Comment: Hello, You need silver solder to solder them! Not ordinary solder. Take some san…
Comment: WOW!!! That is truelly ingenius!! Thank you for sharing! Jerome
Comment: Yes it is! Made by Velleman
Comment: I don't get it!This is suppose to be a TAZER, so why are you telling people to not touc…
Comment: Hello again Andy, There is no substitute for the SPDT switchs. You could MAKE them i…
Comment: hey Coffe-bot! Does it seek light??? If yes, I would love to see it work in a video …
Comment: Hey Andy60! Are you 60 playing with lego? :P That lego wheel is a GREAT idea! Tha…
Comment: I am very happy you made it work! Congradulation!!! Thank you! Jerome
Comment: HAHAHA! Thanks for the info! J-
Comment: It was a trick question. From an electrical charging standpoint, there is practically n…
Comment: Hey Brainiac!Can you check you SPDT switch? If you look closelly on your right switch a…
Comment: In my world, electricity and water do mix! That is why I am so CRaZY! LOLL Here are…
Comment: hey,I wanted people to soder them together. So two wires connected together makes 1 wir…
Comment: Hey Kauz, That is a nice idea but not for me! I got WAY to much electronics JUNK on …
Comment: Hello jongscx, This seem very interesting! I just wonder if the robot will not bo…
Comment: hello locofocos! I am presently thinking designing the beetle robot without using an…
Comment: HEY Gareth!! I am happy to see you here! WOW! That is nice! :D Are you writting a…
Comment: salut et Merci!Non j'avais 15-16 ans quand j'ai concu la .... oups... I was 15-16 years…