TTL2RS485

RS485 er en videreudvikling af RS232 Max kabellængde er 1200m og max hastighed er 6 Mbit/sek Flere sender og modtager kan benytte samme 2 ledninger

DI (data in) to pin 11
RO (receive out) to pin 10
DE (data enable) and RE (receive enable) jumpered together and to pin 3
Vcc and Gnd connected
A and B : the RS485 pair
Gnd between distant Arduinos can be in cable or local electrical ground.

Product information

MAX485 chip is a low power consumption for RS-485 communication, limit the slew rate transceiver
Then 5.08 (mm) pitch 2P terminal, convenient RS-485 communication wiring
Operating voltage: 5V
Size: 44 (mm) x14 (mm)