4-DOF Metal Robot Arm Kit for micro:bit, Bluetooth

Product Code: Waveshare 16377

4-DOF Metal Robot Arm Kit for micro:bit, Bluetooth
4-DOF Metal Robot Arm Kit for micro:bit, Bluetooth
4-DOF Metal Robot Arm Kit for micro:bit, Bluetooth
4-DOF Metal Robot Arm Kit for micro:bit, Bluetooth

GST inclusive


Availability: 2 In Stock

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Equip your micro:bit with this 4-DOF metal robot arm, and get started to explore the world of artificial intelligent robotic.

This starter robotic arm kit includes: servo driver board, metal mechanical arm structure, and 4x metal gear servos. When used with the micro:bit, it is easy to control the arm by smart phone through Bluetooth connection.

The Servo Driver

Adopts Servo Driver for micro:bit:

  • micro:bit edge connector, directly pluggable
  • I2C controlled, using only 2 pins
  • Up to 16-Channel servo/PWM outputs, 12-bit resolution for each channel (4096 scales)
  • Integrates 5V regulator, up to 3A output current, can be powered from battery through VIN terminal
  • Standard servo interface, supports common used servo such as SG90, MG90S, MG996R, etc.
  • Reserved I2C control pins, allows to work with other control boards
  • Comes with development resources and manual (micro:bit graphical examples like Bluetooth/2.4G wir eless remote control)

The Robot Arm Structure

  • 4-DOF, large solid base, metal mechanical grasper
  • Full aluminium alloy body, sandblasting oxidation surface, strong & durable
  • Clever mechanical structure and mounting design, agile to control, easy to build
  • Fitted with 4x metal gear servos (1x MG996R, 3x MG90S), large torque force, smooth moving


Robot Arm for micro:bit dimensions

Development Resources

Wiki :

Package Content

Weight: 0.476 kg

Note: micro:bit is NOT included.

  1. Metal arm parts x1
  2. MG996R Servo x1
  3. MG90S Servo x3
  4. MG996R servo wheel x1
  5. Servo Driver for micro:bit x1
  6. OPTIONS - Power adapter x1
  7. Servo extension wire 150mm x1
  8. Screws pack x1
  9. Screwdrivers 2PCS x1
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