Keyestudio Micro:bit Mini Smart Robot Car V2 - Page 7

4
3
HC-SR04 ultrasonic sensor
1
4
KEYES-2812-18R Module
（
welded with yellow curved
pin）
1
5
N20 motor wheel
diameter:43mm ; width:
19mm ;
hole diameter: 3mm type D
ABS plastic + rubber yellow
2
6
steel universal wheel
W22*H15MM
1