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  • Go Kart ideas

  • I heave a basic plan, but I would like suggestions from the community. My plan is to weld a simple frame and add a high voltage capacitor to supercharge the motor. I am having trouble deciding how I will engineer the steering column, any ideas will be...
  • Custom motor driver

  • I have a robot kit that is currently controlled by a Romeo BLE from DFRobot, which has built-in motor drivers. I am looking to switch from this board to a Raspberry Pi. I looked to get some 5 amp motor drivers to use and was surprised by the price....
  • Looking for an off the shelf PCB.

  • Here are my specs.I'm looking for a board that runs two Polulu A4988 stepper drivers (12v1.5a each) and a 5v300ma PWM from an Arduino-programmable chip.  Having Wifi and a micro SD card reader would be a big plus.  (ESP8266 would be acceptable). ...
  • What's in your hacker toolkit?

  • I don't know about you, but I don't like being cooped up at home when I'm working on something.I like the idea that no matter where I go, whether at home, a coffee shop, my hackspace, a public park, or a hotel room in a foreign country, I can build something...
  • Good Servos For Hexapod

  • 2 years ago when I started my hexapod, I didn't have to much cash to spend, so i bought 12 of these https://hobbyking.com/en_us/turnigytm-tgy-s901d-ds-mg-robot-servo-13kg-0-14sec-58g.html from hobbyking. When I got them, one broke in a year,...
  • Spray on clear acrylic coating to protect a PCB

  • I'm thinking of making a project with retro THT ICs and LEDs on a PCB for friends and mounting it unadorned—it's meant to look geeky—in a photo frame like this. (Buttons are on the PCB, power is supplied by micro USB cable from a phone charger.)https://www.officeworks.com.au/shop/officeworks/p/promenade-frame-6-x-8-with-4-x-6-opening-brown-ur90205927However...
  • Question about a board from an amateur

  • Hello! I have read HAD for years. I love the projects and creativity of the people around the world. I rarely mess with anything electronic at any sort of micro level. I hope this is OK to post here. The other day, a friend of a friend asked me to look...
  • I hate Arduino

  • Shitty libraries, hidden code or absurd levels of encapsulation, thousands of libraries to do a simple task, tutorials on new hardware based on some obscure library made up of 30 GitHub files, shield towers 15 stories high because nobody has read the...
  • Need advise for a small alternator

  • Hey guys,I'm developing a micro wind turbine as hiking/field-research eqipment. My problem is to find a fitting alternator: -Since the rotor diameter is just half a metre (rel. high rpm) I'd like to work without a gearbox.- necessary output...
  • Avalon Sunshade Hack

  • I have a rear power sunshade from a 2011 Toyota Avalon.  I'm trying to configure it to open when somebody approaches my front door.  I'm going to put a sign on it, like hello or Merry Christmas.  I'm using a Ryobi 18v batter with...
  • Is textured plastic with points a thing?

  • I'm looking for a way to easily place a coin cell motor on fabric, so that it's easy to remove and won't change position. Is there a plastic similar to the velcro "hook" side that has points instead of hooks? The surface would be something like a plastic...
  • Computer vision and machine learning robot arm

  • Hi, I am a freshmen and I am working on a science project that I would like to present at ISEF. I am making a machine learning integrated 3D printed robot arm . I am using the ARCTOS robot arm cad files and I have finished building the arm. The arm uses...
  • DC Motor Challenge

  • We have 2 DC-Motors with wheels assembled, controlled by any Microcontroller or Computer, e.g. an Arduino.We have built a vehicle out of these and now we want to perform a 360 degree spin with it under the following requirements:- One motor runs...