Tutorial: https://www.yahboom.net/study/UNO_motor_driverDescription:This expansion board is specially designed for the Uno board and can be plugged di..
Description:This is an expansion board suitable for two-wheel self-balancing robot car. The overall layout is reasonable, and the screw-copper holes a..
Feature:The crocodile, when exposed to sunlight, can start its mini-motor by shaking, so no batteries are neededIt is new and unique; It is also a goo..