How about this: void setup(){ int state = digitalRead(button); if(button == HIGH){ write(); delay(10000); reply(); } void write(){ Serial.write((byte)0x00); Serial.write((byte)0x00); Serial.write((byte)0x00); Serial.write((byte)0x00); Serial.write((byte)0x00); Serial.write((byte)0x00); …

Help me about these codes

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