DFRobot (TEL0070) Multi USB/RS232/RS485/TTL Converter
Product Information Accessory Type: Multi USB/RS232/RS485/TTL Converter For Use With: Arduino Board Product Range: - Product Overview Multi USB/RS232/RS485/TTL converter board Supply voltage range from 3.3V to 5V Power LED on board Size is 52 x 37mm(2.05 x 1.45") Set of interfaces for a variety of multi-function adapter plates Supports USB, TTL, RS232, RS485 interfaces between the system conversions Supports one input multiple outputs which facilitates communication between various controllers