--- 4 Channel Relay Module Library For Proteus

: Features animated LED indicators for each channel to show when a relay is active during simulation.

// Initialize the relay module relayInit(RELAY_PIN); --- 4 Channel Relay Module Library For Proteus

| Pin Name | Description | | :--- | :--- | | | Module power supply (5V/12V) | | GND | Ground | | IN1 | Control signal for Relay 1 (Active Low/High) | | IN2 | Control signal for Relay 2 | | IN3 | Control signal for Relay 3 | | IN4 | Control signal for Relay 4 | | COM (x4) | Common terminal for each relay | | NO (x4) | Normally Open terminal | | NC (x4) | Normally Closed terminal | : Features animated LED indicators for each channel

: The library simulates optical isolation, which physically prevents high-voltage spikes from damaging the low-voltage control circuit. In physical electronics, these modules are indispensable for

The is a specialized digital asset that allows engineers and hobbyists to simulate complex automation systems. In physical electronics, these modules are indispensable for controlling high-power devices like motors and lighting with low-voltage microcontrollers like Arduino. By integrating a dedicated library into Proteus, users can move beyond simple single-relay circuits to simulate sophisticated multi-device control environments. Core Technical Features