void setup() for (int i = 0; i < 4; i++) pinMode(relayPins[i], OUTPUT); digitalWrite(relayPins[i], HIGH); // Active LOW relays -> OFF
: Offers a dedicated Arduino Relay Module Library specifically designed for Proteus. 4 channel relay module library for proteus new
. Users had to add an NPN transistor (like the BC547) and a 1N4007 diode to protect the microcontroller from back-EMF, just as they would on a breadboard. The "Module" Breakthrough void setup() for (int i = 0; i