I want to use the ethernet shield to remotely access data from the industruino and at the same time I am using a bluetooth relay module to drive contactors, so I need to connect both the modules together.....Is this possible at all cause the ethernet shield eats up the Rx Tx pins?
Hi, the INDIO unit is made for industrial applications, with a standard RS485 serial port. You could have a look at bluetooth modules that have RS485, or you could hack the connector to bring out the D0/D1 pins but then don't forget to toggle the hardware switch on the INDIO baseboard to disconnect 'Serial' from the RS485 https://github.com/Industruino/libraries#rs485
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