User Manual

ManualsBrandsWITMOTION ManualsComputer Accessories & PeripheralsConverter 3-in-1 Multifunctional(USB to TTL/ USB to RS232/ USB to RS485) 3.3-5V Serial Adapter, with CH340 chip Compatible with Windows 7,8,Linux,Arduino for Development Projects

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4 Connect Description

5 Function test

Product functionality can be verified by USB to TTL self-loop test and USB to 232 self-loop

test. Methods as below:

5.1 USB-TTL

Connect the TXD and RXD of the module to the DuPont line. Dial the corresponding DIP