4 Channel Relay Module Library For Proteus New High Quality -

* Subcircuit for 4-Channel Relay Module .SUBCKT RELAY_4CH_MODULE IN1 IN2 IN3 IN4 VCC GND COM1 NC1 NO1 COM2 NC2 NO2 COM3 NC3 NO3 COM4 NC4 NO4 * Channel 1 R1 IN1 VCC 1K D1 COM1 GND 1N4148 RLY1 COM1 NC1 NO1 RELAY_VIRTUAL * Repeat for channels 2-4 .ENDS

This paper presents the complete process of designing, creating, and validating a custom 4-channel relay module library for use in Proteus Design Suite. Standard Proteus libraries contain individual relay components (e.g., RELAY ), but lack the integrated 4-channel opto-isolated module commonly used in Arduino, Raspberry Pi, and industrial control projects. This work details the schematic symbol creation, PCB footprint design (if applicable), spice model integration, and practical simulation examples. The resulting library allows engineers to simulate high-voltage AC/DC load control with proper isolation representation before hardware implementation. 4 channel relay module library for proteus new

Proteus Design Suite is an industry-standard tool for simulating electronic circuits, but it lacks built-in simulation models for many popular pre-assembled breakout boards. Among these, the 4-channel relay module is widely used in Arduino, ESP32, and PIC microcontroller projects for home automation and industrial control. * Subcircuit for 4-Channel Relay Module