Waveshare AlphaBot 2 - AlphaBot2-Base Components; Control Interface and Sensors; Motor, Power, and Indicators

AlphaBot 2 User Manual
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AlphaBot2-Base
1. AlphaBot2 control interface: for connecting sorts of controller adapter board
2. Ultrasonic module interface
3. Obstacle avoiding indicators
4. Omni-direction wheel
5. ST188: reflective infrared photoelectric sensor, for obstacle avoiding
6. ITR20001/T: reflective infrared photoelectric sensor, for line tracking
7. Potentiometer for adjusting obstacle avoiding range
8. TB6612FNG dual H-bridge motor driver
9. LM393 voltage comparator
10. N20 micro gear motor reduction rate 1:30, 6V/600RPM
11. Rubber wheels diameter 42mm, width 19mm
12. Power switch
13. Battery holder: supports 14500 batteries
14. WS2812B: true color RGB LEDs
15. Power indicator