RS232 - RS485
BLUEROBOTICS
CYTRON
DFROBOT
SPARKFUN ELECTRONICS
TIBBO
BlueRobotics
BLUART USB to Serial and RS485 Adapter
Cytron
RS232to UART Converter
DFRobot
Multi USB/RS232/RS485/TTL Converter
Sparkfun Electronics
FT231X Breakout Board
Serial Basic Breakout Board - CH340G
Tibbo
Tibbit Block #01 Four-line RS232 Port
Tibbit Block #02 RS232/422/485 Port
Tibbit Block #05 RS485 Port
