Hey all, I'm trying to implement a RS485 communication with ARDUINO and am using MAX485 to connect from PC to ARDUINO. The problem is that whenever I set the DE-RE pins to low I get 0 byte outputted to my debug serial monitor (Serial2). Even simply doing digitalWrite(pinIO, HIGH); delay(1000); di…

MAX485 zero byte when switched to LOW

graynomad October 5, 2016, 10:03am 2

None of this adds up, PC, serial monitor, RS485.

First question, how are you getting RS485 from a PC?

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