Connect digital output pins from your microcontroller (e.g., Pins 2, 3, 4, and 5 on an Arduino) directly to the IN1, IN2, IN3, and IN4 pins on the relay module block.
Write and compile the code for the microcontroller. For this guide, a simple Arduino sketch can be used to test each relay individually. The following example shows the core logic:
: A search engine for Proteus libraries where you can search by specific part numbers. 2. Installation Steps --- 4 Channel Relay Module Library For Proteus
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Note: The ProgramData directory is hidden by default in Windows File Explorer. You may need to click the "View" tab and check the "Hidden items" box to see it. Step 3: Copy and Paste the Files Connect digital output pins from your microcontroller (e
Four input pins (IN1, IN2, IN3, IN4) trigger individual relays using 5V or 3.3V signals.
Proteus Design Suite lacks a native, pre-installed 4-channel relay module in its standard component library. To simulate this specific hardware block, you must manually download, install, and configure a dedicated third-party library. The following example shows the core logic: :
Here's an example of using the 4 Channel Relay Module to control a motor: