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Update 2.5.2-PIRAndLamp.ino #1

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Update 2.5.2-PIRAndLamp.ino #1

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6 changes: 3 additions & 3 deletions 2.5.2-PIRAndLamp.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,8 @@ void loop() {
while(!digitalRead(PIRpin)){}
// 将灯打开10秒，然后关闭
Serial.println("turn on");
digitalWrite(RELAYpin,HIGH);
digitalWrite(RELAYpin,HIGH);//继电器引脚输出高电平（打开），这个要看所使用的继电器是高电平触发还是低电平触发，如果是低电平触发的继电器需要把此处改为digitalWrite(RELAYpin,LOW)以导通继电器;
delay(10000);
digitalWrite(RELAYpin,LOW);
digitalWrite(RELAYpin,LOW);//同理,低电平触发的继电器此处应改为 digitalWrite(RELAYpin,HIGH);
Serial.println("turn off");
}
}