Hardware
- IR Infrared Obstacle Avoidance Sensor Module for Arduino Smart Car Robot
- Arduino Mega
- Arduino Motor Shield (for Arduino)
- Raspberry Pi 3 B+
- Raspberry Pi 4 B
- AdaFruit Rainbow Pibow Coupé 4 for Raspberry Pi 4
- AdaFruit 16-Channel PWM/Servo HAT (for Raspberry)
- AdaFruit 16-Channel PWM/Servo Bonnet (for Raspberry)
- IO Pi Plus HAT (for Raspberry)
- Pimoroni Unicorn HAT HD (for Raspberry)
- Pimoroni Fan Shim (for Raspberry Pi 4)
- AdaFruit Miniature 5V Cooling Fan (for Raspberry)
- Jameco Electronics
- Source for wire, electronic parts, PC boards, etc.
- Semaphore Signals, Dwarf tri-color signals
- Tomar Industries, 560 Ione Road, Pasco, WA 99301
- HobbyLinc reseller where I bought mine.
- NO OX ID A Special
- Litchfield Station reseller where I bought mine. $2.09 + shipping $4.00