继电器:信号线接Arduino 10引脚,5伏接面包板,gnd接面包板,公共口接330欧电阻上,常开口接面包板上。
ard:gnd接led阴极,5v接面包板
led:阳极连在电阻上
Arduino输出控制
1 2 3 4 5 6 7 8 9 10 11 12 | int realy = 10;void setup() {// put your setup code here, to run once:pinMode(realy, OUTPUT);}void loop() {// put your main code here, to run repeatedly:digitalWrite(realy, HIGH);delay(1000);digitalWrite(realy,LOW);delay(1000);} |









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