5Pin USB PL2303 2303 To TTL Converter RS232 5 Pin 3.3V 5V Adapter Module PL 2303 Board For Arduino Uno For Arduino Uno projects DIY Electrical Circuitry & Parts: Buy Online at
Industrial USB TO TTL Converter, Original FT232RL Onboard, Multi Protection Circuits, Multi Systems Support
CH340G Serial Port Debugger USB To TTL Converter Adapter Module
USB to RS485 TTL Serial Converter Adapter FTDI interface FT232RL