hm-trp rs 485 have mainly 4 pins vdd,A,B,Gnd.
usb to rs 485 have (which one i have with me) 3 pins A,B,Gnd.
after some serious struggle i find the how to connect and how to test.
for the gui there is small gui related software.
usb to rs 485 have (which one i have with me) 3 pins A,B,Gnd.
after some serious struggle i find the how to connect and how to test.
for the gui there is small gui related software.
module is set fine.
after that remove the all connection and test. download gui related software from here