====== Toggling a Digital Output (FA-DUINO-18TA / 32TA) ====== The following program will periodically toggle digital output 38 along with the status LED. const int StatusLED = 13; const int Sink38 = 38; void setup() { pinMode(StatusLED, OUTPUT); pinMode(Sink38 , OUTPUT); } void loop() { digitalWrite(StatusLED, HIGH); digitalWrite(Sink38 , HIGH); delay(1000); digitalWrite(StatusLED, LOW); digitalWrite(Sink38 , LOW); delay(1000); } ====== Toggling an Output Relay (FA-DUINO-12RA / 24RA) ====== The following program will periodically toggle output 22 and the status LED const int StatusLED = 13; const int Relay22 = 22; void setup() { pinMode(StatusLED, OUTPUT); pinMode(Relay22 , OUTPUT); } void loop() { digitalWrite(StatusLED, HIGH); digitalWrite(Relay22, HIGH); delay(1000); digitalWrite(StatusLED, LOW); digitalWrite(Relay22, LOW); delay(1000); } [[faduino:index|FADUINO]]