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RobotShop Community Forum

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Newbie to robotics, here. I'm trying to remotely control an 18V/1.3A brushless DC motor. I believe the following controller will work for me: https://www.robotshop.com/en/tiny-v2-esc.html I only...

2018-04-02 09:52 by DiaLFonZo
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I'm working on a project with a stepper that rotates an object. Currently I'm just counting steps and figuring out the azimuth from there. I'd like to add a compass instead so lost steps aren't an iss...

2018-04-02 08:01 by DiaLFonZo
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Hi all, I have a Neato Botvac 80 that has ceased to charge. I have installed a new battery. The battery voltage per a multimeter is 13.8 volts, the voltage on the charger terminals is 18.3v I hooked...

2018-03-31 14:16 by SnippySnaps
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I'm building an RC lawnmower using 2 Jazzy wheelchair motors powered with 24 v (two 12 v lead acid batteries). I'm using a Sabertooth 2x32 motor controller and a FlySky FS-CT6B transmitter/receiver. I...

2018-03-30 12:38 by coolkuh
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I recently purchased a 2x12 Sabertooth RC motor controller. I'm using a Futaba Attack 2DR transmitter with a R162JE receiver (2 channels). This is to control a pair of electric wheelchair motors. I'...

2018-03-30 12:24 by coolkuh
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I see you guys have https://www.robotshop.com/ca/en/12v-28a-3333-oz-in-nema-23-bipolar-stepper-motor.html I need basically the same thing but with a 1:15ish ratio. At 1/8th stepping its a great speed...

2018-03-30 00:09 by patm
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Hello, I plan on using the t200 thruster on my float tube, I will use the esc provided and get the thruster command center. However, I either need to create a separate wired controller because I imagi...

2018-03-29 15:31 by scharette
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I need help. How do I reset the Wi-Fi? My WiFi address has changed and I am unable to modify it in the app. I have desinstalled it and reinstalled it all over (as if it was my first installation) but ...

2018-03-29 15:07 by eli475
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Hi all, I'm new to the forum but am working on a very intelligent drone boat project which is going to have far-reaching applications(hopefully). It is unique and quite complex(taking on a SWATH d...

2018-03-29 14:01 by CBenson
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I have a couple of questions about these omni wheels. What are the bearing dimensions that's used for the main axle? Is there a package that can be ordered to use these as a caster, and directly to ...

2018-03-29 13:59 by CBenson
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Hello Everyone— First time builder, but a fan of robots ever since I got my first set of "Robotix" way back in the 80's. My goal is to poll the group on my idea to see what parts I woul...

2018-03-29 13:15 by newatthis
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Hi, When I have been running my rover v2 robot, the gearbox is making a very odd sound. I think there is some friction and even after rebuilding the gearbox, the sound has not gone away. I have also u...

2018-03-29 10:00 by CBenson
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So for last 4 months my robot 3 was working beautifully, Suddenly this week As soon as I had to change litter to a softwood one. I can no longer put more than 1 liter of litter in the bowl. It just em...

2018-03-28 23:39 by Andrew Neilson
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Hello: I have installed the Pixhawk and GPS on a quadcopter and have a couple of questions. First is on the item web page, a "product update" PDF is listed. I read the PDF and would like t...

2018-03-28 14:30 by DiaLFonZo
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I would wish to know exact components in; ⋅  ELF II HD video streaming nano Drone kit ⋅  LEGO mini Drone kit I want that before I order any kit, I'm sure about the component...

2018-03-28 10:53 by DiaLFonZo
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I am assembling the Lynxmotion AL5D Robotic Arm with Rotate Wrist Upgrade. I am currently trying to assemble the wrist. It illustrates using an HS485HB servo. However, only one HS485HB Servo came i...

2018-03-28 10:28 by CBenson
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how much current is consumed by the 4 12v dc motors to carry 5kgs weight. is a 12v3A battery is sufficient enough to drive them....

2018-03-28 10:20 by scharette
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Dear Sir or Madam, I have been teaching Grade 7 students about the basics of Arduino for about 8 years. We ordinarily get as far as using pushbuttons and light sensors. I would like to go further an...

2018-03-27 16:50 by bdaouas
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Good afternoon, I see that the: AD/DA High Precision Expansion Board [ RB-Wav-08 ], uses the SPI bus, can we stack up two boards or not? If not, what's the alternative or work-around as I need to A...

2018-03-27 13:35 by scharette
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Hi, is it possible to install the rp lidar a2 bottoms up?...

2018-03-27 10:59 by scharette
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Newbie here; cool site! We have 3 bar stools with plated steel sheet-metal bases: [ATTACH]288[/ATTACH] As you can see, the bases are nearly parallel to the floor at the outer edge. There's about a...

2018-03-26 17:33 by ztshopping
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Im from Austria, pls forgive me my old bad english. 1) Using 2 Pcs of XBee 1mW-Moduls for RC-Function 100meters, is it correct to use also the "XCTU"-Software to get comunication between thi...

2018-03-26 16:19 by scharette
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Hi, I currently bought this load cell and was wondering what exactly is the voltage range for the signal output. I have the spec sheet however I don't see a range saying something like: Load [0 - 1000...

2018-03-26 15:04 by bdaouas
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having trouble finding an older Xbox USB controller to work with flowbotics. Will a new wireless one work? Thanks for any help...

2018-03-26 15:02 by scharette
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Guys pls help what is the code for barcode scanner+ servo+arduino + shield? new to arduino...

2018-03-26 14:55 by scharette
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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
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Hi, I want to buy your Phidget VINT Hub Phidget & VINT Wheatstone Bridge Sensor Interface, as following purchase link: https://www.robotshop.com/ca/en/phidget-vint-wheatstone-bridge-sensor-inter...

2018-03-26 14:22 by bdaouas
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Gentlemen, Currently at the stage of attempting to setup up my Nano FCT for my quad. Have recieved the lynxmotion bluetoth to serial device and aren't able to pair. With the FCT controller powered b...

2018-03-26 13:39 by DiaLFonZo
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I have bought the seeedstudio 433MHz low cost transmitter/receiver pair RB-See-12. I don’t have experience with transmitters or receivers so I am wondering how to make a simple circuit with a button...

2018-03-26 13:35 by DiaLFonZo
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Hi, I was just wondering what were the wire connections needed to make the motors work with the on board controller. I know I need to connect the motors to M1 and M2. Is there anything else? Thank y...

2018-03-26 11:32 by CBenson
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Bonjour, J'ai une Litter robot III open air depuis environ 2-3 mois. Depuis quelques jours, le nettoyage ne s'active plus automatiquement. Lorsque j'appuie sur "Cycle", le cycle commence ma...

2018-03-26 09:41 by jmichaud
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Hello, I've been looking for a suitable servo motor for my project and found out that the Dynamixel MX-64 would perform perfectly in many aspects. However I need to couple the servo to a shaft that i...

2018-03-26 07:59 by CBenson
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I have a project that requires the control of 7 Actuonix P-16P actuators. All servos will move simultaneously to an incremental and open/closed position. I am looking to use an Arduino to control the ...

2018-03-24 18:15 by groend
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Hello, i am having trouble with my AL5D 4DOF connecting to my board. The servo can not seem to find it even when i have reset it multiple times. May be related to this issue . We have set it to off...

2018-03-23 11:43 by scharette
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Hello, I am interested in buying the 4WD Mini Robot Platform kit which includes the FS90R-W motors (RB-Fit-11). However, I don't have the specifications for the 4 motors taht are include: FS90R-W. Wh...

2018-03-23 11:11 by DiaLFonZo
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Hello everyone! I am new on this forum and in the world of robotics. We (me and my friend) are trying to build a kind of heavy drone, which means every motor will receive a huge power (and then Vol...

2018-03-23 11:08 by DiaLFonZo
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Hello , I am having trouble getting a new tsunami wav trigger to show indication of powering on. I am hooking it up to a power supply but the LED is showing no indication at all. When I plug an older ...

2018-03-22 11:55 by scharette
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Hello I have been looking on your website for a NEMA23 Sized Worm Gear Reducer in the 40:1 or 60:1 range.... I see them all over Ebay and the others sometimes called out as NV030 Gear case ... typi...

2018-03-22 11:54 by DiaLFonZo
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Hi, Does anyone have any ideas of what I can do to troubleshoot this problem? It will sometimes start no problem from the base but if it gets stuck it. It won't start, it will popup "My fan is s...

2018-03-22 11:29 by pjutras
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Hi I am trying to fix the damping panels onto the C brackets.. The screws seem too short to go through the 2 panels and the bracket. Screws are #2 x 250 (1/4 ) Also there is conflicting information o...

2018-03-22 09:19 by CBenson
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Hello, For my project, I am using 2 Dynamixel MX-64T servo motors and one Dynamixel MX-106T servo motor. In my application I would like to program the position of the motors using torque control. I a...

2018-03-20 23:22 by rachelpowell
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Dear sir, This is Noorjahan K.V. working as a Product Specialist Engineer at Global security technology LLC. Our Headquarters is in Oman and have branches all over GCC. We are specialized in Securi...

2018-03-20 14:29 by bdaouas
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how do i clear the min/max of a servo and then reset manually using the slider?...

2018-03-20 14:24 by scharette
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hey guys , i was working on a project including a XQ-S5040D servo motor , it stopped working properly and chattering and jittring and even when i use a specific location it doesn't reach the angle pro...

2018-03-20 14:07 by bdaouas
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Hi, I recently purchased a Lynxmotion PS2 v4 controller. Running the test program from the GitHub repo , the readouts from three of the joystick axes work fine. However, the y-axis on the left joyst...

2018-03-20 11:47 by scharette
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I'm looking to get my project going. I have built my walker now I need to get the electronics. I was looking at SSC-32U USB, BotBoarduino, Sony PS2 controller and 24 servos (3 per leg). So my question...

2018-03-20 11:24 by surf2snow
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How can one find the life expectancy of motors and other electro-mechanical components....

2018-03-20 09:58 by DiaLFonZo
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Hi, I would like to know the materials and mechanical properties of Skywalker 1720 planes' wing in terms of Young's modulus and Poisson's ratio. I need to do structural analysis using FEA simulations...

2018-03-20 08:31 by DiaLFonZo
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Hi, I’m glad I found this site!! Love all the info. I am building a large scale wheeled robot/truck to drop in old mine shafts. I am wanting to build a couple steering servos using auto wiper motors...

2018-03-20 08:30 by DiaLFonZo
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I need to purchase ESC's for the T100 thrusters. Can you please recommend what would work best? Also, do you sell a single cable that would have wiring to support 4-Thrusters (all 4 will be mounted on...

2018-03-20 08:26 by DiaLFonZo
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