4 Channel Relay Module Library For Proteus New May 2026
Draw the symbol using 2D graphics:
Add hidden internal circuitry (optional but recommended for simulation):
If you prefer control, create a subcircuit in Proteus using discrete relays, optocouplers, and transistors, then save as a custom module. However, the new library eliminates this repetitive work.
While older Proteus libraries contained generic relay components (e.g., RELAY or RLY-SPST), they lacked the integrated structure of a ready-made module. A standard 4-channel relay module (commonly based on the SRD-05VDC-SL-C or JQC-3FF relays) includes:
The new library replicates this exact board layout, saving hours of manually assembling discrete components in a schematic.
The new library includes variants for:
The 4-Channel Relay Module in Proteus mimics the popular "Blue Relay Boards" found in the Arduino and Raspberry Pi ecosystem. It consolidates four 5V relays, their driver transistors, optocouplers (in most models), and status LEDs into a single schematic symbol and PCB package.
4 Channel Relay Module Library For Proteus New May 2026
Update Dynamic DNS in 3 Simple Steps
Keep your hostname pointed to your current IP address by choosing the easiest update method for your setup.
New to Dynamic DNS? Start here: create a free account, add your hostname, then copy your update command or router URL.
Step 1
Create a free account
Create your DNS Exit account so you can manage your hostnames and generate update commands.
Step 2
Add your hostname
After you sign in, add the hostname you want to keep updated, then open the Dynamic IP Update page to generate your command.
Step 3
Use router, client, or script
After setup, use your update URL in a router, DDNS client, or scheduled task.
If you prefer a command line or custom integration, use the update URL below. DNS Exit will detect your public IP automatically unless you pass the optional ip parameter.
Note: Simply add the parameter -d ip=xx.xx.xx.xx to override the updated IP(IPv4 or IPv6). Please make sure your update interval is more than 4 minutes.
For multiple hosts, separate the hostnames with commas. The API Key can be created at your account Dashboard -> Settings
Note: You need to replace the API-KEY and hostname with your own api key and hostname
The return is JSON file with a successfull update like:
{"code" : 0, "message" : "Success - some details about the update"}
code:0 indicates successfull updates while code:1 indicates IP address not changed. Other returning codes indicates errors.
curl (short for "Client URL") is a command line tool that can communicates with a web server with a relevant URL. Or in other words, it is just like a text based web browser. The curl command is built in most Operating Systems including Linux, Unix, MacOS, and Windows (sinc Windows 10 ). If your windows does not have curl command, you can refer to
install curl on windows
to learn how to install it. 4 channel relay module library for proteus new
DNS API
We provide a fully restful API with direct and powerful access to a vast array of features. Developers can incorporate our API services directly into software and services.
DNS API Document
Legacy Dynamic IP Updates Software and Protocols
Note: It is recommended use the above new curl method to update your IPs. The legacy protocols are outdated thought still supported.
Create a Password just for Dynamic IP Updates
The clients will use your web login/password to update. However, for security concerns, you should create a password just for dynamic DNS updates. To create the IP Update Password:
Login to your account -> Dashboard -> Settings -> IP Update Password
Draw the symbol using 2D graphics:
Add hidden internal circuitry (optional but recommended for simulation):
If you prefer control, create a subcircuit in Proteus using discrete relays, optocouplers, and transistors, then save as a custom module. However, the new library eliminates this repetitive work.
While older Proteus libraries contained generic relay components (e.g., RELAY or RLY-SPST), they lacked the integrated structure of a ready-made module. A standard 4-channel relay module (commonly based on the SRD-05VDC-SL-C or JQC-3FF relays) includes:
The new library replicates this exact board layout, saving hours of manually assembling discrete components in a schematic.
The new library includes variants for:
The 4-Channel Relay Module in Proteus mimics the popular "Blue Relay Boards" found in the Arduino and Raspberry Pi ecosystem. It consolidates four 5V relays, their driver transistors, optocouplers (in most models), and status LEDs into a single schematic symbol and PCB package.
We provide a fully restful API with direct and powerful access to a vast array of features. Developers can incorporate our API services directly into software and services.