arduino蓝牙控制灯泡
2014-05-08 22:31
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电路连接图:
控制程序:
void setup() { pinMode(4,OUTPUT); Serial.begin(9600); } void loop() { if(Serial.available()) { char num = Serial.read(); Serial.println(num); if(num == '1') digitalWrite(4,LOW); else digitalWrite(4,HIGH); } }
用手机串口助手发送1点亮,发送其他数字熄灭:
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