arduino:rs485
MAX485 RS485 transceiver module
for esp32, use hardware serial port 1
and selection pin 13
use hardware serial2
use 16 and 17 pins, 16⇒RO, 17⇒DI
arduino/rs485.txt · Last modified: by aistis
MAX485 RS485 transceiver module
for esp32, use hardware serial port 1
and selection pin 13
use hardware serial2
use 16 and 17 pins, 16⇒RO, 17⇒DI