RS485

AB ELECTRONICS UK

SPARKFUN ELECTRONICS

AB Electronics UK

DFRobot

DFR0259 DFR0845 FIT0272 TEL0038 TEL0070

IR Robot

IR-USB01 IR-USB02

M5Stack

Sparkfun Electronics

SystemBase

BASSO-1010DS CS-428/9AT-mini2

UniSwarm

UDT1FR-I UUC1PI

Waveshare

15729 15817 16529 16530 20978 Pico-2CH-RS485