Putting robotics at your service™

Free shipping on orders over $75

Electronics & Electrical

Discuss general electronics from components and circuits to power systems.

New Topic

Page 1 of 4 [ 179 topics ]

1, 2, 3, 4
3
replies
87
views

To whom it may concernAbout 5-7 years ago, our family purchased a RGB LED Cube from the RobotShop. At that time my son assembled it and said it did not work. He has since graduated college and no lo...

2018-03-26 14:47 by bdaouas
2
replies
105
views

I've purchased an a Elegoo UNO Atmega16u2 board & want to drive a stepper motor, for a small project (proof of concept). Can you recommend which driver & motor to buy? It will ultimately nee...

2018-02-22 19:54 by marissaf
1
replies
60
views

Hello- I'm new to the forum and thought you could help with a small project. I am using car door lock actuators to release a wood slat. The wood slat will drop down and allow my chickens to enter thei...

2018-02-06 14:55 by DiaLFonZo
1
replies
75
views

I want to make an owl robot and I want for it's characteristics to be like that of an owl meaning really good hearing. That means, in the middle of the night, in the woods, it could hear a mouse craw...

2018-02-06 13:10 by scharette
1
replies
63
views

Allo ! do you speak fench ? I have a lamp to do whit 12''del light and i need to know what to use like batterie and charger ....

2018-01-09 09:49 by bdaouas
1
replies
80
views

I need to build a 600 - 900 rpm turntable platform to hold a GoPro camera, battery and wireless video transmitter. I'm wondering if a brushless motor like the ones used in drones would be workable. ...

2017-11-24 12:30 by DiaLFonZo
1
replies
201
views

Good afternoon, i work in college that have entered a team into an engineering competition. They have been set the task of build a vehicle that can inspect vertical gas turbine uptakes on ships. We ar...

2017-11-17 11:48 by DiaLFonZo
3
replies
134
views

I have unique sensor need, and I can't decide what the best cheep option is. What I want to do is create a "digital fence" that would alert when a person departs the sensor range...someth...

2017-11-09 09:51 by scharette
7
replies
12704
views

I need a motor controller for 24v wheelchair motors. Motors are 24v 5a. Require very precise low speed and steering control, in both forward and reverse. Total payload is less than 100 lbs not incl...

2017-10-10 07:41 by CBenson
3
replies
300
views

Hi, this is my first post on this forum - I hope I've put it in the right place! I am building a vehicle which will be driven by 6 Pololu 20.4:1 Metal Gearmotors High Power 12v ( https://www.pololu.c...

2017-07-03 12:01 by bdaouas
2
replies
224
views

Hello everyone, I am currently trying to make a robot with arms, legs, fingers etc, and I have a bit of a problem figuring out what battery I need for my robot. Before I continue I think I should men...

2017-06-22 14:48 by papa1472
1
replies
164
views

So im building a jewelry cleaning box that will clean jewelry with vibrations while sitting inside cleaning solution. I need help sourcing the right parts or at least the correct terminology so I can ...

2017-05-11 10:30 by bdaouas
2
replies
214
views

Hi there! I'm prototyping a robot for a class that I will teach next fall. It has mecanum drive (http://www.robotshop.com/en/mecanum-wheel-set.html) powered by these motors: (http://www.robotshop.com...

2017-05-10 15:10 by patrick
4
replies
160
views

Hello FORUM, I’ve been stuck on an idea and can’t seem to shake it. What I want to do is build a robot that would simulate a defender (for basketball and other sporting applications) and basicall...

2017-04-27 16:18 by JesseLevi
1
replies
174
views

hi everyone, I am a total newbie with this. I have basic knowledge of electricity and can follow a plan, but can't read symbols for relays, etc. I have been looking all over the net for a wiring d...

2017-03-27 17:02 by bdaouas
17
replies
7687
views

Hello! I didnt know where to put this question but here we go. I bought a iFootage Shark S1 slider some time ago and Im thinking of making it motorized for cinematography. But because Iam a beginner...

[ Go to page: 1, 2 ]

2017-03-11 01:46 by JDez Music
1
replies
284
views

Hello, i'm french people and for my job i would like use the raspberry pi 3 in bluetooth to supply a piezo motor or a little motor for vibration. I have a several questions because i don't have knowl...

2017-01-16 09:47 by CBenson
1
replies
135
views

Hello fellow RobotShop forum users, I am having a bit of trouble with the specs of the components needed.Hey, I’m trying to build THIS BA5417 stereo power amplifier BA5417 is a stereo amplifier I...

2016-11-08 12:57 by bdaouas
6
replies
308
views

Hello fellow RobotShop forum users, I am having a bit of trouble with my hexapod, and I'm hoping some of you guys or girls could help me out, I made a hexapod with all Hitec HS-311, but I couldn't ge...

2016-11-04 07:46 by CBenson
3
replies
164
views

In this sketch 10 numbered tubes will be mounted permanently on a seesaw in Horizontal direction .There will be 10 numbered 100 gram mass Iron balls and these Iron balls will move in these tubes. we w...

2016-10-28 22:52 by vikram_gupta11
1
replies
130
views

Hey everyone, I'm planning on starting a project to identify some materials such as plastic using infrared spectroscopy. I plan on shining an infrared LED (with a known wavelength) at the material a...

2016-10-17 11:46 by bdaouas
2
replies
253
views

I want to make a man following robot using the help of accelerometer and gyroscope in the mobile phone and IMU installed on the robot...can somebody please guide whether or not this is feasible if yes...

2016-10-05 07:59 by nickosinski
5
replies
452
views

Hey, i'm making a robot with a mini itx mother board and most importantly a Kinect v2, running through Open Kinect, and also Stephen hickens Voice rec software. It has a Celeron processor, and the Ki...

2016-09-10 01:27 by Tooky
4
replies
234
views

Hello everyone, Me and my friends are making a spider robot which walks with the help of the its 8 legs. The mechanism is based on the patent of joe klanns mechanism and its motion is according to the...

2016-06-09 12:47 by Raj11
5
replies
315
views

Hi, we are using 3 sabertooth 2x60 to power 6 motors from Maxon motors. We have had a faulty sabertooth before, just gave a error light, constant. While the other two drivers in the same circuit were...

2016-05-04 15:27 by slatour
7
replies
382
views

Hi all, We are using 4 12V DC motors drawing a current of 5.5Amps to run the base of a heavy duty mobile robot. We are looking for an efficient battery pack that can sustain the motors for a durati...

2016-04-04 13:12 by CBenson
44
replies
14556
views

I am building a rather large bot with 4 motors mounted to a 50" X 30" steel frame in a tractor style movement. I believe I can use the Sabertooth 2x60 with each two motors on each side connected to th...

[ Go to page: 1, 2, 3 ]

2016-02-28 11:25 by Jongig
5
replies
487
views

Hello everyone, I'm relatively new to electronics and I'm looking for some guidance. Any input would be appreciated. what I trying to do is make a engagement ring box, with a motorized turntable f...

2016-02-23 11:13 by DiaLFonZo
6
replies
910
views

I am working on a 3DOF per leg quadruped robot made out of 12 Makeblock MEDS15 Servos, a few other Makeblock parts, and I am having a bit of trouble figuring out how to provide the Makeblock Servos ...

2015-11-06 14:48 by auginator
3
replies
479
views

Hi, I have a DIY slider that I control (DC motors ) with a Dynamic Perception MX2 controller. It has 2 DC motor inputs, and I wanted to add some panning options to my regular tracking set up. This wo...

2015-07-06 11:51 by DiaLFonZo
1
replies
461
views

I have three circuits which I use to animate my animatronic figure. They all require 5 VDC to operate and I am using an 8 Amp PC power supply to supply it. The circuits are a Lynxmotion/Robotshop SSC-...

2015-07-03 13:05 by CBenson
10
replies
2191
views

I have got an RC lawnmower that I built running and working now. I have used four wheelchair motors and the Sabretooth 2x60. This thing will climb a tree but I am still working out some bugs, One...

2015-04-19 19:27 by headrc
4
replies
1416
views

Hello, I doing a class project which is building a wireless controlled tank .. well, i’m using the following components: 2 jazzy Gt “wheelchair” motors sabertooth 2×12 and Dx6i controller...

2015-01-29 00:25 by jemcd
3
replies
469
views

I have a servo controller (SSC-32) which is connected to an audio circuit (AAEF) to convert audio to a DC envelope. This latter circuit also contains an amplifier, based on the LM386, which drives a s...

2015-01-21 13:42 by jarcand
2
replies
632
views

While working on smaller animatronic projects it can sometimes be a pain having to change things on the fly for a client. Many of the projects i work on either use RC manual control or Autonomous prog...

2014-12-30 05:18 by luben111
3
replies
681
views

I am making a water level controller based on the above idea for my aquarium, which will automatically drain the water in the tank to a certain level and then refill the tank automatically once in a m...

2014-11-19 01:08 by konkraft
3
replies
458
views

I started with the above idea and changed it to a thermoelectric / peltier based cooling system. Now the problem is the peltier cools for a few seconds and then starts getting heated up, I dont think ...

2014-11-12 02:27 by 99quidam
1
replies
694
views

Hi guys new to the forum, I have a project where I am trying to get a 6 volt motor to run forward and the reverse but I need it to happen at a slotted time. I need it to run forward the backward autom...

2014-11-08 03:45 by KM6VV
2
replies
376
views

Hi my name is Stan Maiberger My question/ Is their away to make as small a receiver as possible to turn a small lasor beam on and off with a 3 to 6 volt battery switch would be simuler to a small wire...

2014-09-24 15:12 by jarcand
3
replies
319
views

I need help creating a prototype for my project. I can't even really draw out the details because I don't know what products are available. I am looking for a small camera that can be placed on a bel...

2014-08-25 17:52 by jarcand
4
replies
1035
views

Hi All, I am a total newbie to this and am committed to building a 5.44 Kg combat robot. Basic design: It will be a four wheeler, with the 2 front wheels driving. Two motors with skid turning. We...

2014-08-22 13:20 by CBenson
6
replies
584
views

Thanks for reading. I have a 24 volt linear actuator that needs control from a Futaba radio. I have a channel on the radio that is three position. I want to have forward, reverse and stop. I tried a ...

2014-08-14 05:24 by Jongig
1
replies
253
views

Bonjour à tous je veux réaliser le système suivant: Une nacelle Pan/tilt SPT200 ( référence RB-Sct-06 Roboshop ) équipée de deux servomoteurs ITEC HS-645MG (référence RB-Hit-29 Roboshop ...

2014-07-07 08:49 by CBenson
2
replies
392
views

Will pay someone to design & make a controller system for a very interesting "lifestyle" project I'm working on. I'm not a robot builder myself. Inbox me if interested. Cheers Gus...

2014-06-29 23:01 by Gustotron
1
replies
755
views

Hello All, I am working on COllision avoidance project which employes IR Range finder GP2Y0A710K0F . I just wanted to know if some one knows the resolution of it. by that i mean after how many cm ...

2014-06-25 17:13 by jarcand
2
replies
1114
views

Hey, I purchased an old electric wheelchair a little while back for a project. I ended up removing the motors, and the electromagnetic brake attached to it so I only had +and - wires coming from the m...

2014-05-24 09:25 by tim79
1
replies
1146
views

Hello I have connected a 12volt battery to a sabertooth 2x25 controller that then attaches to two seperate 12v motors and to a r/c receiver. Everything works get except it moves to fast. I even put...

2014-04-16 12:41 by jarcand
1
replies
1004
views

Hello, I am looking to build a power supply that can supply at least between 15,000 and 30,000 mAh at about 7V I have considered wiring a group of double A batteries in both series and parallel but...

2014-04-04 08:55 by CBenson
3
replies
978
views

Hi, I want to make my heating pad to work, when battery stops charging its getting cold, how to make it work on battery? And how to add on/off button? Help if You can. Best regards, Dan. 71...

2014-03-17 16:25 by jarcand
1
replies
1824
views

Hi I just connected a mosfet power controller https://www.robotshop.com/ca/en/mosfet-power-controller.html to an arduino uno. 702 703 It looks like only 1 wire is...

2014-02-17 13:56 by jarcand
1, 2, 3, 4
All times are UTC - 5 hours [ DST ]. It is currently 2018-04-22 15:55