SwitchScience 4-Wheel Car Kit for micro:bit (without controller)

It is an extension module for micro:bit. You can make a four-wheeled vehicle controlled with micro:bit. The module body has a switch that turns on / off the power of micro:bit. By controlling the direction of the front wheels with a servomotor, turn right / left.

Using the SwitchScience micro:bit controller kit , you can also play like a radio controlled car.

To use this kit, three separate AAA batteries are required.

Specification

• micro: bit Pin number used
  • P8: Servo motor control (for expansion)
  • P12: Servo motor control
  • P13: Control of motor rotation direction (normal rotation)
  • P14: Control of motor rotation direction (reverse rotation)
  • P15: Control of motor rotation speed
  • P16: Control of two LEDs (head light) with module

Content

• One module body x 1 piece
• 4 wheel vehicle front wheel parts x 1 piece
• TAMIYA single gearbox x 1 piece
• TAMIYA track tire set x 1 piece
• 1 DC motor with cable
• Micro servo motor FS 90
• Servo horn set
• 5 x 6 mm flat tapping screw x 2 (It is contained in yellow seal bag)
• Spacer x 3 (It is in a bag of blue seal)
• M3 x 6 mm countersunk screw x 3 (It is in a bag of blue seal)

Module surface

Back of module

Front wheel parts

TAMIYA single gearbox and TAMIYA truck tire set

DC motor with cable

Micro servo motor FS 90 and servo horn set

M 2.5 x 6 mm countersunk tapping screw

Spacer and M3 x 6 mm nozzle

Other details (Japanese)

• Circuitry(PDF)
• Method of grouping (YouTube)
• Programming method 1. Stop and forward, reverse (YouTube)
• Programming method 2. Function, light (YouTube)
• Programming method 3. Servomotor, variable (YouTube)
• Programming method 4. Wireless communication (YouTube)
• Programming method 5. Acceleration sensor (YouTube)