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UD67A01 Industrial USB to RS232/RS485 Converter Serial UART Module TXD RXD GND CTS DTR WIN10 CH340 CH340E Chip SP232 MAX232. USB to RS485 The driver chip is CH 340E, and the RS485 bus chip is industrial grade SP485.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.