How to use 2 relay module in arduino

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@sai_07 - Forum procedure has not changed since your last topic.

Countdown time using TM1637

hello fellow IT professional/Engineering, I'm a new in Arduino I need Help I want to insert timer or equivalent time for 20 php for example: 20php is 5mins what code i use and where to insert the code thank you void loop() { if (noCoin == false) { noCoin = true; lcd.setCursor(0, 0); lcd.print(" Dayawon"); lcd.setCursor(0,1); lcd.print(" Vendo Machine"); } buttonState = digitalRead(button); if (buttonState == 1 && pulse > 0 && userBalance) { lcd.clear(); lcd.setCursor(0, 0)…

Are you going to disappear on this topic, too, after people spend hours helping?