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It happens Here is the code: Only change is the connection between relay and Arduino plugs into D13, not into 7. void setup() { pinMode(LED_BUILTIN, OUTPUT); } void loop() { digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level) delay(43200000); // wait for a second digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW delay(43200000); // wait for a second }

Alrighty, proof of concept at 50%, I've got the eskom on/off portion sorted. Both relays clicking so I don't believe the LED side will have any issues. Sent from my EVA-L09 using Tapatalk