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4 Channel Relay Card with Ethernet Connection - VM204

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Product Description

The Ethernet relay card is an Ethernet controlled board with 4 relay outputs, 4 digital inputs and 1 analogue input.
It can send e-mail notifications when the status of an input changes and features an embedded web server. Free apps are available for Android® and iOS®.

The Ethernet relay card is now compatible with MyURemote, the universal remote control app. Find out more here!

Ideal board for home automation enthusiasts looking to have web/local Ethernet based control of devices/inputs such as boiler close switches or trigger inputs.

Power is supplied via a USB 'B' connector. We recommend using a USB A-B cable, such as the type you would have for a printer, and connecting this to either a PC USB connection or a mobile phone charger.


  • power supply: 5 Vdc power supply needed (min. 500 mA) via USB B connector
  • outputs: 4 relay outputs (30 V / 2 A rated)
  • Ethernet: 100 Mbit
  • inputs:
    • 4 digital inputs (open collector compatible)
    • 1 analog input (6 V max.)
  • ports:
    • UART port avaiable
    • SPI port available


ZIP VM204 PC software
Includes the discovery software and the firmware upgrade tool.
ZIP VM204 Firmware V1.1

Latest downloads available at (Opens in new window)


Click here to view the manual for this product - PDF - Opens in new window

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