--- 4 Channel Relay Module Library - For Proteus Free

| 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 |

A: The library is compatible with Proteus 8 and later versions. For earlier versions, you may need to modify the library files. --- 4 Channel Relay Module Library For Proteus

"Look at the pin voltage," Sarah pointed out. "It’s handling the logic inversion perfectly. The module is active low, just like the real hardware." | Pin Name | Description | | :---

: Supports Active LOW or Active HIGH triggers, mimicking real-world hardware behavior. Pinout and Connection Guide "It’s handling the logic inversion perfectly