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Check our Product Comparison Matrix if you are unsure of which of our microcontroller based boards has the combination of relays, digital inputs and outputs, and analog inputs and outputs that you need.

RC5120 20 Relay Programmable Relay Controller

Add USB connectivity to your RC5120 for just $10 more with the USBCONV.

The Industrologic RC5120 programmable relay controller is a specialized single board computer that is easy to program and easy to connect to external signals. With its twenty 10 amp relays, logic level I/O signal, and serial port, it is ideal for many relay intensive industrial control applications.

The RC5120's on-board power supply and its screw terminal connections make the setup for many applications both quick and simple. Plus, its RS-232 interface and simple commands means that it can be easily used as an RS-232 serial data acquisition and control board!

Included with each RC5120 is a special version of Tiny Machine Basic (written specifically for the I/O on the RC5120), development software, a wall block power supply, and a serial port cable to connect to your PC. (Things you must purchase separately with everyone else's controller or single board computer.) An optional machined ABS plastic enclosure is also available.

RC5120 documents and information:

log file