The R15PL_USB USB Relay connects to your computer's USB port using a standard USB cable. The board mounts as a virtual COM port, send
your commands to the COM port and control the relay! USB connections offer excellent communication, speed and reliability through any
available COM port at any standard baud rate.
R15PL_ZRS The Ideal Choice
The R15PL_USB USB Relay allows you to program in almost any language and has the ProXR Command Set, the industry leading command set
for controlling the relay and reading the inputs on the board. Commands can be as simple as turning on/off the relay and as complex as
adding delays and other features to the command such as flashers, duration timers, and reading the status of the relay.