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3.3V 5V Serial Adapter Module CH340G USB TTL UART Arduino Pro Mini Bridge - Buy and Sell Hardware Products, DIY Electronics and Kits, HuaQiangBei Online Store - PCBWay
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Amazon.com: DIYmall USB to TTL Serial Cable Adapter FTDI Chipset FT232 USB Cable TTL for Arduino ESP8266 (Pack of 1pc) : Electronics
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