1七段码查询:做显示时用得着



2传感器阻值:做稳控的用得到



3转速表:测电机转速的(需配合硬件)



4环电阻:初学电子的最爱



5秒表:测试程序时有时要用到秒表-1 seven segment query: do the show when you need it



2 sensor resistance: stability control, used to get



3 tachometer: measuring motor speed (in conjunction with hardware)



4 Ring resistance: a favorite beginner electronic



5 stopwatch: testing procedures sometimes use the stopwatch