A4988驱动步进电机
电路原理运行代码const int stepPin3;
const int dirPin4;void setup() {// put your setup code here, to run once:
pinMode(stepPin, OUTPUT);//设置引脚为输出模式
pinMode(dirPin, OUTPUT);//设置引脚为输出模式
}void loop() {// put your main code here, to run repeat…
2026/7/20 16:05:37
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