Created
December 28, 2016 01:06
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| // Our Relay Module is negative operation | |
| int led = 12; | |
| void setup() { | |
| Serial.begin(9600); | |
| pinMode(led, OUTPUT); | |
| //초기화 | |
| digitalWrite(led, HIGH); // Relay OFF | |
| } | |
| void loop() { | |
| char indata; | |
| if(Serial.available()) { | |
| indata = Serial.read(); | |
| if(indata == 'H') | |
| digitalWrite(led, LOW); | |
| if(indata == 'L') | |
| digitalWrite(led, HIGH); | |
| } | |
| } |
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