Made in USA Flag All board products Proudly made in USA!

Manufacturer of computer controlled relay, I/O and custom boards for commercial and industrial applications.

Note:  Pencom will be closed 9-13 through 9-17-2021 for a scheduled plant shutdown for maintenance, we will re-open on 9-20-2021.

Please Note: 

We are now open for normal business operation - however due to the virus we have minimal staff so delays in production will be inevitable.  We will do our best to complete all orders asap. 


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USB Bus powered

Bus Power Option - This power option is only for USB boards with the Reed relays installed and specific I/O boards.  The board is powered by the USB port and must be a high power port or USB port from a powered hub with a 500mA output.