Example RS485 code not working?

madleech / ArduinoCMRI

Arduino library for connecting your computer to your model railroad.

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Example RS485 code not working? #8

Open k4kfh opened 7 years ago

k4kfh commented 7 years ago

Hi, I've wired up the circuit described on your website using a single USB RS485 transciever and an Arduino Nano with a MAX485 on a breadboard. For some reason I cannot get anything to happen. The Arduino stays in RX mode constantly according to the LEDs, so not sure why it's doing that.

Erik84750 commented 2 years ago

A & B polarity must be respected. Master A must be connected to slave A. I spent 2 full days with this issue