Arduino – Bluetooth – LED 8
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#include <SoftwareSerial.h> SoftwareSerial BTSerial(2,3); int leds[]={6,7,8,9,10,11,12,13}; int num=0; void setup() { Serial.begin(9600); BTSerial.begin(9600); for (int i=0;i<8;i++) { pinMode(leds[i], OUTPUT); } } void loop() { if (Serial.available()) { BTSerial.write(Serial.read()); } if (BTSerial.available()) { num=BTSerial.read()-48; Serial.println(num); } if (0<num && num<9) { for (int i=0;i<8;i++) { if (num > i) { digitalWrite(leds[i], HIGH); } else { digitalWrite(leds[i], LOW); } } } } |