3DoT Board

The board for building robots

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The 3DoT Board is the brain, power, and the controller of any robot; all on a tiny 35x70 mm PCB. Plug your motors and servos directly onto the board, and a smart, current-limited power circuit allows it to drive everything from the on-board battery. Then, simply plug in the USB-connector to recharge the battery and upload your programs.

Accessories can be plugged into headers on the top (e.g. a shield with an IMU) and front of the board (e.g. a front-facing sensor array).

The board comes with an Arduino library and iOS/Android app that allow for easy development, as well as some really cool features such as Community Mode.

In Community Mode, your phone is attached to the robot, and by utilizing the phone’s cameras and Bluetooth connection to the 3DoT Board, you can control your robot from a computer anywhere in the world.

Everything about the 3DoT is designed with 3D-printed, laser-cut, and other homemade robots in mind, and we can’t wait to see what you will create with it!


  • Open source hardware
  • On-board battery with automatic USB battery charging
  • Connector for additional battery
  • Reverse polarity protection
  • Open source iOS/Android app
  • Arduino library support


  • ATmega32U4 microcontroller
  • RCR123A 650 mAh battery with protection circuit.
  • FCC-certified BLE 5.0 Bluetooth module
  • Dual motor driver with regulated 500 mA current limit per motor
  • Standard 2.0 mm JST connectors for up to 2 DC motors
  • Standard male header pins for up to 2 servos
  • Female 8-pin forward sensor header: 4 analog pins, 3.3 V, GND, and I²C
  • Female 16-pin top shield header with digital, analog, I²C, SPI, 3.3 V, and 5 V pins
  • 3-position switch (OFF/PROGRAM/RUN) for reliable and easy programming


Check out some robots we built using the 3DoT Board here:


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