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turn on luminary on off at interval method attach ground luminary to tolerance terminal of charge controller say on 10k scale,next connect charge reduction terminal of luminary to automation board reduction port having 5 charge scale,attach charge controller open terminal to automation board ground port. key in below programmed void setup() { } void loop() { pinMode(LED_BUILTIN, OUTPUT); digitalWrite(LED_BUILTIN, LOW); delay(1000); digitalWrite(LED_BUILTIN, HIGH); ) delay(1000); }