/pxt-ucl-junkrobot

A junk robot controlled using 28BYJ-48 stepper motors and HC-SR04 ultrasonic sensor

Primary LanguageTypeScript

pxt-ucl-junkrobot

A PXT package for University College London made junk-robot

Package is meant to work with:

  • 28BYJ-48 Stepper motors
  • HC-SR04 Ultrasonic sensors
Pin connections for stepper motors and ultrasonic sensors

  • Left Motor

    • micro:bit pin - ULN2003 driver
    • PIN 1 - IN1
    • PIN 7 - IN2
    • PIN 6 - IN3
    • PIN 0 - IN4

  • Right Motor

    • micro:bit pin - ULN2003 driver
    • PIN 2 - IN1
    • PIN 13 - IN2
    • PIN 14 - IN3
    • PIN 15 - IN4

  • Front Ultrasonic Sensor

    • micro:bit pin - HC-SR04 pins
    • Pin 8 - Trigger
    • Pin 9 - Echo

  • Side Ultrasonic Sensor

    • micro:bit pin - HC-SR04 pins
    • PIN 12 - Trigger
    • PIN 6 - Echo
Note

Use a separate battery pack to power the motors and sensors * four AA battery pack will suffice

Also please use a common GND when connecting the electronic circuit

Supported targets

  • for PXT/microbit

License

MIT