The features of this robotic module is as follow:
1. micro:bit expansion connectors, all micro:bit signals available.
2. 2 motors with motor driver circuit, fully under software control.
3. Wheels with rubber tires for good grip.
4. 2 digital line following sensors.
6. powered by 3AA batteries
7. ultrasonic sensor hc-sr04 for distance and object sensing
8. Infra Red sensors and transmitter.
9. multi-color LEDs.
10. scratch API available for easy programming and testing.
11. on board IIC, SPI, UART, PWM, servo connectors
12. expansion slot for future sensors.
13. compatible with most scratch programs.
14. Compatible with popular other micro:bit robot modules
15. Easy programming with standard scratch, python, C etc.