Instructables: question - robots http://www.instructables.com Wed, 23 Apr 2014 06:01:41 PDT BLOX v1.01 i want to make a razer robot..... http://www.instructables.com/answers/i-want-to-make-a-razer-robot/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif vish3385 i find some things like 12v solenoid valve , 12v hydraulic hump & motor ,but still can someone tell me ,how much SPI is required for mine hydraulic pump and what should be rpm for motor , mine robot's double acting cylinder's bore is 40mm and stroke is 150mm(15cm).. pls replay soon...........
By: vish3385

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Sun, 13 Apr 2014 11:31:45 PDT
Starting robotics? http://www.instructables.com/answers/Starting-robotics/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif StarscreamClone For a while, I have been wanting to get started with robotics.  My interest in this is very deep, and as you can see from my about me section, my ultimate goal in life is to create a sentient robot. I know this isn't an easy field, and I was wondering if anybody had any tips for getting started.  A...
By: StarscreamClone

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Thu, 10 Apr 2014 12:12:22 PDT
Quadcopter without expensive ESC? http://www.instructables.com/answers/Quadcopter-without-expensive-ESC/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif chrissunny94 Well I am new to quadcopters so please forgive me if I am wrong. Well I am set about to build a quadcopter and was doing a bit of research on the internet and most of them were telling me to get ESC for controlling the speed of the motor. I want to know if I can substitute it with something cheaper...
By: chrissunny94

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Mon, 7 Apr 2014 11:00:59 PDT
Where to begin to build a robot that can pick up (grip), move and release billiard balls? http://www.instructables.com/answers/Where-to-begin-to-build-a-robot-that-can-pick-up-g/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Susan1000 My 3rd grade daughter has been assigned robo-billiards in the elementary science olympiad. However, we have no robotics experience and need to get smart quickly! Also, I believe we may be funding this project ourselves. From my poking around, it seems that robotics parts are very expensive. Please s...
By: Susan1000

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Sun, 16 Mar 2014 18:49:42 PDT
l293d ,problem wth the output current? http://www.instructables.com/answers/l293d-problem-wth-the-output-current/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif cthaliyath Hey people , i have build a line follower robot using -(arduino,motor controller(l293d), IR modules and sensors) WELL NOW I HAVE GOT A NEW METALLIC CHASSIS(its kinda heavy).Earlier we use a cardboard box and it worked just fine . But now the motor driver is not able to give enough current to driv...
By: cthaliyath

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Wed, 26 Feb 2014 21:41:33 PST
Position of gyro and iPhone during calibration? http://www.instructables.com/answers/Position-of-gyro-and-iPhone-during-calibration/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif nmsr1196 I have a gyro and using an app on the iPhone (tilt meter).  My question may be basic. But does the gyro sit ontop of the phone, while the phone is standing up (see attached) or is the iPhone laying flat (display up) while the gyro is ontop of the phone?
By: nmsr1196

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Mon, 20 Jan 2014 07:00:35 PST
LDR or optical reflective sensor? http://www.instructables.com/answers/LDR-or-optical-reflective-sensor/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif chrissunny94 I am planing to make a line following robot without micro controllers. So I am using a light sensor connected to an AND GATE (the other input being the current to the motor). So since I am using" an and "gate I want the input current to be an absolute zero or some value ,ie the current should not be...
By: chrissunny94

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Sun, 12 Jan 2014 21:12:12 PST
build a robot http://www.instructables.com/answers/build-a-robot/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif franzakeem good day I want to build a robot , one with some personality but I don't have access to arduino but  access to other electronic parts  , acan you help me , and I'm a first timer
By: franzakeem

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Fri, 13 Dec 2013 21:41:22 PST
I need help with arduino code for Rover5 http://www.instructables.com/answers/I-need-help-with-arduino-code-for-Rover5/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Jacoby- I am having trouble with arduino and rover5 code
By: Jacoby-

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Sat, 7 Dec 2013 19:42:45 PST
LiPoly charging question? http://www.instructables.com/answers/LiPoly-charging-question/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Hammock Boy Hi Everyone, I am creating a 6 cell pack (first time as you can tell) of LiPoly batteries 14.8V 5A it will have 3 groups in series of 2 in parallel for a 44.4V 10A pack. In order to properly charge and maintain the batteries does anyone have any recommendations for a good balance charger from hobby...
By: Hammock Boy

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Thu, 5 Dec 2013 11:33:09 PST
How do you scroll down the collections bar? http://www.instructables.com/answers/How-do-you-scroll-down-the-collections-bar/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif melody01 When you see something to add to your collection and have more than 2 collections already, how do you scroll down? I press the down button but it doesn't do anything.
By: melody01

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Mon, 25 Nov 2013 13:56:34 PST
DC Motor Problem? http://www.instructables.com/answers/DC-Motor-Problem/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Strontium Hi , to whoever is reading this .I wired 2  3v dc toy motors in series and I used about 4.5v as the power source. As I powered it up one motor spun fast and the other spun slower , so I thought the one running slower was defective an so I bought another motor and wired it in series with the  that wa...
By: Strontium

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Mon, 28 Oct 2013 09:03:03 PDT
a 12/6vdc gen. motor with the outer casing that rotates and the center armature as a fixed part to a frame? http://www.instructables.com/answers/a-126vdc-gen-motor-with-the-outer-casing-that-rota/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jaysashanewt I want to use a 12/6vdc motor that will generate its own renewable power to be stored in batteries.  I want to use a small motor where the outer casing will rotate and the armature will act as a fixed support to a frame. However a small outside diameter is an issue, so it should not exceed 2inches. ...
By: jaysashanewt

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Mon, 21 Oct 2013 21:05:50 PDT
I NEED ADVISES http://www.instructables.com/answers/I-NEED-ADVISES/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif makesomeso Hi guys i need some advises from you to build an arduino wall e robot. i dont know where to start or which components i needed. Please help me with your advises to build this robot with arduino.
By: makesomeso

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Fri, 13 Sep 2013 10:38:40 PDT
DOES THERE ANY ROBOTIC CLASSES IN INDIA, KERALA ??? http://www.instructables.com/answers/DOES-THERE-ANY-ROBOTIC-CLASSES-IN-INDIA-KERALA-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif makesomeso Hey guys i am intrested in electronics and robotics. i studied electronics. Now i want to study robotics. I live in India, Kerala. I studied craft and some paperwork myself. I started building spurt robots with the help of projects in instructables. I created an arduino robot looking at chicken parm...
By: makesomeso

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Fri, 13 Sep 2013 10:30:47 PDT
HOW CAN I BUILD AN OBSTACLE AVOIDING ROBOT WITHOUT MICRO CONTROLLER??? http://www.instructables.com/answers/HOW-CAN-I-BUILD-AN-OBSTACLE-AVOIDING-ROBOT-WITHOUT/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif makesomeso Hey guys i want to build an obstacle avoiding robot without micro controller. i had built an obstacle avoiding robot with arduino. If you have any idea of obstacle avoiding robot without micro controller, please share it with me.
By: makesomeso

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Thu, 12 Sep 2013 01:11:51 PDT
how to get light power source to operate robot human size ? http://www.instructables.com/answers/how-to-get-light-power-source-to-operate-robot-hum/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Cworkshop i am working on human like robot but the problem is i need good power source  and light too on the 2 hand there is about 60 motor so do any body know high power source to operate them? 
By: Cworkshop

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Tue, 3 Sep 2013 11:27:02 PDT
SUPER accurate servo? http://www.instructables.com/answers/SUPER-accurate-servo/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jduffy54 I need to make a device that can move two small servos within 0.01 or less degree rotation (yes, degrees, not radians!).  Currently, everthing I've seen comes up greater than half a degree.  It must have position feedback (stepper without encoder won't work), and the whole thing must fit in a 1/2"x6...
By: jduffy54

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Sun, 1 Sep 2013 20:11:02 PDT
What do you think a robot programming language should have? http://www.instructables.com/answers/What-do-you-think-a-robot-programming-language-sho/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif C.V.Hariharan I was thinking of making a robot that could be programmed in the most easiest way.  I want some suggestions from you all, what do you think a typical robot programming language should have? What kind of syntax must it have?  I need your help and guidance to create a robot programming language (if po...
By: C.V.Hariharan

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Thu, 22 Aug 2013 08:36:55 PDT
Can I limit the voltage to a motor using PWM? http://www.instructables.com/answers/Can-I-limit-the-voltage-to-a-motor-using-PWM/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif David97 Hi, I am trying to build a robot with a dual motors controlled by a l298 chip and PWM. I have some really nice 9.6V NiMh battery packs that I would like to use. The problem is that the motors need 3-5v. Could I just use PWM to control the voltage of the motors by working out what duty cycle would gi...
By: David97

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Fri, 5 Jul 2013 20:34:50 PDT
High Output portable power source, possibilities? http://www.instructables.com/answers/High-Output-portable-power-source-possibilities/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Slashaar I'm designing a large scale robot, and I want a generator of sorts that runs very efficiently for a sustained period of time. It would need to be able to power 13 Large electric motors, 29 smaller electric motors, and run a smorgasbord of electronic systems to control them. Ideas? It needs to portab...
By: Slashaar

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Thu, 27 Jun 2013 15:58:47 PDT
DC motors w/o gearbox for a robot? http://www.instructables.com/answers/DC-motors-wo-gearbox-for-a-robot/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif giacky98 Hi, I'm building a very small robot that uses (obviously) very small DC motors. There's no space for a gearbox to slow down the speed so I was thinking if is it possible to attach the wheels directly to the motors and then controlling them using PWM. What do you think? Has someone already tried this...
By: giacky98

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Mon, 24 Jun 2013 09:25:06 PDT
Tamiya gearbox motor upgrade? http://www.instructables.com/answers/Tamiya-gearbox-motor-upgrade/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif David97 Sorry about all the questions. Hi, I want to upgrade this to 7.4v so that I can run it from lipo.  https://www.sparkfun.com/products/319 Preferably I would like a motor that snaps right  in. Has anyone upgraded theirs?
By: David97

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Sun, 9 Jun 2013 01:02:33 PDT
Tamiya vs rover 5? http://www.instructables.com/answers/Tamiya-vs-rover-5/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif David97 Hi, I want to buy a platform for my arduino and i was just wondering what was the nicer one? Tamiya or rover 5 regarding Speed. Torque. Size. Ease to use. Off road. What do you prefer to use?
By: David97

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Sat, 8 Jun 2013 00:44:18 PDT
Looking for a good tracked arduino platform? http://www.instructables.com/answers/Looking-for-a-good-tracked-arduino-platform/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif David97 Hi, I want to get a good tracked platform for my arduino. I was looking at the dfrobotshop rover but decided that it was too pricey and slow for what I wanted. I was also looking at the tamiya and rover 5 platforms but decided that they all were too slow (but had a appealing prise range). Anyway wha...
By: David97

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Fri, 7 Jun 2013 04:09:38 PDT
Losing rollover comments when images are small? http://www.instructables.com/answers/Losing-rollover-comments-when-images-are-small/ http://cdn.instructables.com/FQ1/UQ40/HH2VOFPQ/FQ1UQ40HH2VOFPQ.SQUARE2.jpg http://cdn.instructables.com/FQ1/UQ40/HH2VOFPQ/FQ1UQ40HH2VOFPQ.SQUARE.jpg http://cdn.instructables.com/FQ1/UQ40/HH2VOFPQ/FQ1UQ40HH2VOFPQ.SMALL.jpg marhar I've got images in my instructable with rollover comments. Two questions: 1.  what exactly are those called? 2.  when the image is shrunk on the instructible, it doesn't show the rollovers for the image.  Is there a way to make them show up? In this screenshot of http://www.instructables.com/id/C...
By: marhar

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Mon, 3 Jun 2013 00:22:04 PDT
How to size a DC motor? http://www.instructables.com/answers/How-to-size-a-DC-motor/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Chris414 I want to rotate a stainless steel shaft that is in a vertical position having a 40 mm diameter and 300 mm length. The motor will be attached to the bottom of the shaft, so when the motor is turned, the said shaft will rotate. The shaft is not driving anything, it just turns on its own. The shaft's ...
By: Chris414

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Tue, 28 May 2013 08:52:34 PDT
Servo to shaft ? http://www.instructables.com/answers/Servo-to-shaft-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif flonect Hello, I would like to ask if there is a way to couple a servo motor to a shaft. Thanks.
By: flonect

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Sat, 18 May 2013 22:39:09 PDT
What stimuli does a combat robot needs to respond to? http://www.instructables.com/answers/What-stimuli-does-a-combat-robot-needs-to-respond-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Wisaam Asking so that I can make the right sensors for it, it's a wheeled robot, not humanoid, and the robot it'll be fighting with will also be a wheeled one.
By: Wisaam

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Wed, 15 May 2013 04:50:45 PDT
How to make an automatic shooting mechanism for a robot? http://www.instructables.com/answers/How-to-make-an-automatic-shooting-mechanism-for-a-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Wisaam It's a small robot and it needs to shoot marbles, its a combat robot, so it needs to shoot with high velocity and the shooting mechanism needs to be automatic. It should keep shooting marbles until the motor, or something else, stops any ideas on how to make this mechanism.Just like the one in the l...
By: Wisaam

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Wed, 8 May 2013 07:53:54 PDT
http://www.instructables.com/id/Build-a-Robotic-Arm-for-the-Science-Olympiad/?ALLSTEPS http://www.instructables.com/answers/httpwwwinstructablescomidBuild-a-Robotic-Ar/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif mkiker I am a pro member not able to download this document from this link. The problem was said to be resolved last year but it isn't. Can anyone help?
By: mkiker

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Thu, 18 Apr 2013 11:38:02 PDT
Wi-Fi controlled rover? http://www.instructables.com/answers/Wi-Fi-controlled-rover/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif gaurav.srm.1017 Building a wifi controlled rover with a cam mounted on top. Need help for programming and coding the atmega16 mcu and router
By: gaurav.srm.1017

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Thu, 14 Mar 2013 22:22:26 PDT
Looking for a slew drive less than 7" in diameter? http://www.instructables.com/answers/Looking-for-a-slew-drive-less-than-7-in-diameter/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif sensoryhouse Desperately looking for a slew drive less that's than 7" in diameter?  Preferably with a nema stepper mount.  Don't want a rotary stage or table, looking specifically for a slew drive.  http://www.bombayharbor.com/productImage/0892236001250832763/Solar_Tracker_Slew_Drive.jpg thanks.
By: sensoryhouse

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Thu, 28 Feb 2013 08:51:54 PST
Anyone know where to buy something like this? http://www.instructables.com/answers/Anyone-know-where-to-buy-something-like-this/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif CalvinCore So a few friends and I are making a Semi-AI robot. By "semi" I mean it cannot think on it's own. It can only do what it's programmed to. We were wonder if anyone knew a link to purchase a voice recorder that plays set responses depending on what you say into the mic. (Ex: I say "Hello" and it respon...
By: CalvinCore

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Thu, 14 Feb 2013 14:39:50 PST
how to make a simple robotic arm? http://www.instructables.com/answers/how-to-make-a-simple-robotic-arm/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif tharunraj
By: tharunraj

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Wed, 13 Feb 2013 05:55:35 PST
Mechanism for pouring exact amount of liquid? http://www.instructables.com/answers/Mechanism-for-pouring-exact-amount-of-liquid/ http://cdn.instructables.com/F7U/NJ4W/HCV8TYLI/F7UNJ4WHCV8TYLI.SQUARE2.jpg http://cdn.instructables.com/F7U/NJ4W/HCV8TYLI/F7UNJ4WHCV8TYLI.SQUARE.jpg http://cdn.instructables.com/F7U/NJ4W/HCV8TYLI/F7UNJ4WHCV8TYLI.SMALL.jpg Chris414 I have a cylindrical container(around .75 liters) that is filled with water. I want to accurately pour a certain amount of water in a cup. How can that be done?? My idea (might be complete fail) : I put a hole at the bottom of the cylinder, and a door mechanism that opens and closes the hole. The d...
By: Chris414

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Sat, 9 Feb 2013 09:58:58 PST
Searching for a maker to help me with 2 robot artwork prototype http://www.instructables.com/answers/Searching-for-a-maker-to-help-me-with-2-robot-artw/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif glazur Hello guys I have two ideas, both are artworks, very simple as shape and movement. I need somebody who is enthusiast in making objects/robots and experienced as well. I am willing to pay (not too much since I am an artist:) and also credit the work. One of the my work should be similar like  this,...
By: glazur

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Sat, 19 Jan 2013 15:08:16 PST
Lost the "How to Build a Robot/Anything in a Week" write-up in Instructionable - ? http://www.instructables.com/answers/Lost-the-How-to-Build-a-RobotAnything-in-a-Week/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Hegemann I'll lost the location of the excellant write up on physical robot chassis construction techniques. It included examples of making truss type chassis construction and the bolting (with slots) of flat planel of aluminum together to assemble a robot chassis.
By: Hegemann

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Thu, 10 Jan 2013 22:25:27 PST
How would one go about controlling the Motors of a full sized Biped Robot? http://www.instructables.com/answers/How-would-one-go-about-controlling-the-Motors-of-a/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif AgentWolf I was thinking about building a full size Remote Controlled Biped Robot. I have a basic understanding of how you would control a Biped Robot on a smaller scale such as by using an Arduino but i have no idea how you would go about controlling the Motors for the Joints using an RC System. Lets say fo...
By: AgentWolf

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Thu, 10 Jan 2013 19:14:05 PST
Is this the right kind of Diode to protect a Servo with? http://www.instructables.com/answers/Is-this-the-right-kind-of-Diode-to-protect-a-Servo/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Hammock Boy I would like to protect my Servos from accidentally reversing the voltage on them and frying them. The power source is 6v (4x AAA battery) and the Servos each draw a maximum of 6v, I am unsure about the amps due to a lack of datasheet, but have been told that they draw a maximum of around 1A per hou...
By: Hammock Boy

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Tue, 27 Nov 2012 16:34:09 PST
Sample Arduino pgm to emit robotic noises (squeaks, beeps,etc)? http://www.instructables.com/answers/Sample-Arduino-pgm-to-emit-robotic-noises-squeaks/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif RoboBear I saw an arduino program online within the last year for emitting robotic sounds (beeps, squeaks, etc.--not words) from a piezospeaker--but forgot to save it--and can't find it again.  Has anyone seen this--or even a similar Basic Stamp program?  And if so, could you send a link?  Thanks!
By: RoboBear

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Thu, 22 Nov 2012 18:01:28 PST
Small RC Car drive system help? http://www.instructables.com/answers/Small-RC-Car-drive-system-help/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif ahleagle I have been looking online all day and i haven't found anything.  I am looking to turn a iPod touch case into a small rc car using a canabalized rc toy that I got from a friend.  I am using it for mainly its transmitter/receiver and motor controller.  All would be well and good but one gear in on of...
By: ahleagle

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Sat, 10 Nov 2012 14:21:17 PST
Need help in selection of solar cells of approriate power to build miniature car !!!!!!!!!!!!!!!!!!!!!! http://www.instructables.com/answers/Need-help-in-selection-of-solar-cells-of-approriat/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif anurag173 I need to build an entirely solar powered engine within dimensions of 10cm*10cm*20cm which can carry load of about 100 g on a bogey attatched with the engine. Can somebody provide useful links to solar cells which can provide sufficient power to accomplish this ? Also, are there other methods of max...
By: anurag173

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Sat, 10 Nov 2012 08:55:18 PST
Robot neck design? http://www.instructables.com/answers/Robot-neck-design/ http://cdn.instructables.com/FEY/U999/H9142NZV/FEYU999H9142NZV.SQUARE2.jpg http://cdn.instructables.com/FEY/U999/H9142NZV/FEYU999H9142NZV.SQUARE.jpg http://cdn.instructables.com/FEY/U999/H9142NZV/FEYU999H9142NZV.SMALL.jpg podpadstudios I dont know if anyone is familiar with the Star Wars Old republic T3-M3 Droid. I have just stated building a full size replica of this Droid but could do with some advice on the neck mechanism. The head is going to be reasonably heavy but I want it to be able to pan, tilts and rotate reasonably fast...
By: podpadstudios

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Fri, 2 Nov 2012 13:12:02 PDT
Can I make helicopter with cd rom brushless motor and is there is any cheap brushless motor driver IC?? http://www.instructables.com/answers/Can-I-make-helicopter-with-cd-rom-brushless-motor-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif prazanthkj I was trying to do a helicopter. When I search internet about that all I found was done by using brushless motor with a module  that costs really high, to me , as I'm a student. So I decided to use brushless motor of my CDROM. Can anyone help to make a helicopter by using this motor. And also I need...
By: prazanthkj

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Fri, 2 Nov 2012 06:50:37 PDT
How to download the PDF of The Autonomous WAll-E robot? http://www.instructables.com/answers/How-to-download-the-PDF-of-The-Autonomous-WAll-E-r/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif pnasario
By: pnasario

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Tue, 30 Oct 2012 22:50:04 PDT
i need help with some dc power rc controled motors? http://www.instructables.com/answers/i-need-help-with-some-dc-power-rc-controled-motors/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif ed gaston i have a 110v dc power supply . i need a way to make a 12 or 24 volt dc radio  controled motor to run off of it ..  how do i make this happen ?  the motor needs to be able to go forward and reverse . low rpm but decent torque . going to be a gear drive system , also needs to be able to stop quickly ...
By: ed gaston

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Sun, 21 Oct 2012 15:00:21 PDT
hello i need help with getting a dc motor to work correctly. http://www.instructables.com/answers/hello-i-need-help-with-getting-a-dc-motor-to-work-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif ed gaston im trying to get a 12 or 24 volt dc small motor to run forward and reverse via remote control .. the remote needs to be very small either a remote using .2 buttons or a small joystick would work with of coarse the center being the neutral .. buttons perfered .. but my power supply is coming off of a...
By: ed gaston

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Sun, 21 Oct 2012 14:44:00 PDT
Printer Board is a CNC controller. ? http://www.instructables.com/answers/Printer-Board-is-a-CNC-controller-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif goldenshuttle Can anyone pls show me link to subjects on this matter with minimum need for programming langauge ? my perception is that if we can make printer draw a picture without waiting for ink signal; then cartridge can easily be replaced with a curring blade, torch or drill...is it possible to pinpoint the ...
By: goldenshuttle

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Sat, 29 Sep 2012 05:57:57 PDT
help with code http://www.instructables.com/answers/help-with-code/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif kiran890 hi , i have made a robot using arduino uno with aservo to move the ir sensor and two motors using l293....but i need a program for it ... so please help me.....
By: kiran890

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Thu, 20 Sep 2012 04:38:28 PDT