peha phc rs485 bus

hello

i made a rs485 to tcp bridge with an esp8266

i can send data to the rs485 bus , but i never recieve feedback .

my set up is : stm (with lan ) and each module is connected and also my 2 esp8266-devices...

( i actually made 2 rs485/tcp bridges ) 1 to send data and 2nd to log and check my data.


i made also a crc tool so i can make my own commands

i.imgur.com/TDsRlg3.png

some pics of the setup