Hello all, Good Day! I have four identical custom made boards. I would like to configure one of them as master device and other three as slave devices. The connection between all the boards are given in Modbus portocol using RS485 in same UART serial pins availble in the board with one enable pin. …

Connect 4 pins from your STM32 to the pins labeled 1,2,4,8 on the rotary DIP switch. For example, using PORTA PORTA pin 0 connects to pin "1" of DIP PORTA pin 1 connects to pin "2" of DIP PORTA pin 2 connects to pin "4" of DIP PORTA pin 3 connects to pin "8" of DIP Then at setup, determine the …

How can I address the slaves for my master device?

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How can I address the slaves for my master device?

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