Hi, I got this Beaglebone Black RS485 Cape from amazon https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=BeagleBone+Black+CAPE+RS485&pldnSite=1 I'm new to Beaglebone Black and RS485 Cape. I didn't any source for the communication between RS485 and BBB online. So I need help in software module and and how to communicate using RS485 via BBB. In the end I want to control Relay (3.3V / 5V) using RS485 Cape.
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