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Open Source WiFi PLC

The power of a Programmable Logic Controller, but with the simplicity of Lua/Arduino....and it's fully OPEN SOURCE!

This PLC comes loaded with:



Sold Out Again!

We are temporarily out of stock, with no exact ETA.  Thanks to all our customers for their support.  We do have the larger PLCs in stock, and as soon as we're caught up, we'll build more of these ESP PLCs for you.  Thanks for the patience.

To learn more, check the hardware specs or view the open-source code. Better yet, call 408) 330-5599.  Need more power? Consider this Arduino Mega compatible PLC with expanded I/O, color touch screen, SD card, and more...  

Links to related items:  Power supplies and contactorsCorded relays.  IP controlled DIN relay.

All-in-One! Fully Integrated Control - No "shields" or add-ons.


All the inputs and outputs you need are there. Just wire it up and run. Try yours now - risk free.

Invent! Affordable Open Source PLC


Fully open source. Program in Arduino, Lua, Nodemcu, or just use the demo code for WiFi remote control. Powerful, yet simple to use. Try it now. Risk free.

Universal! Ready for your applications...


Ideal for home automation, industrial control, HVAC, alarms, remote RS-232 links, machine control... Order now.

U.S.A. Quality and reliability.


US assembly and quality control. Does it matter? Our customers think so... Try yours now.

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