A simple converter can be sourced online, but the only thing he could find locally that was even close was a USB to RS-232 converter. He used that component to craft his own USB to RS-485 bridge.
A command line program used to communicate with a Teledyne ISCO D-Series Pump Controller. Uses an external USB to RS485 converter that attaches to the DB25 on the back of the controller. The program ...
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