{"product_id":"usb-to-ttl-serial-adapter-ch340g-ft232rl-5v-3-3v-arduino-mcu-programming","title":"USB to TTL Serial Adapter Module — CH340G \/ FT232RL, 5V \/ 3.3V, for Arduino \u0026 MCU Programming","description":"\u003ch2\u003eUSB to TTL Serial Adapter Module — CH340G \/ FT232RL, 5V \/ 3.3V\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003eUSB to TTL serial adapter\u003c\/strong\u003e converts USB to a 3.3V or 5V UART interface, enabling PC communication with Arduino boards, ESP8266\/ESP32 modules, and any UART-capable microcontroller. Available with CH340G (cost-effective, Windows\/macOS\/Linux driver) or FT232RL (FTDI, premium compatibility) USB-to-serial IC. The selectable 3.3V \/ 5V output voltage makes it compatible with both 3.3V and 5V logic devices.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB-to-Serial IC\u003c\/td\u003e\n\u003ctd\u003eCH340G or FT232RL (variant dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V or 5V (jumper selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART Pins\u003c\/td\u003e\n\u003ctd\u003eTX, RX, VCC, GND (+ DTR, RTS on some variants)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOS Support\u003c\/td\u003e\n\u003ctd\u003eWindows, macOS, Linux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCH340G vs FT232RL — Which to Choose?\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eCH340G\u003c\/th\u003e\n\u003cth\u003eFT232RL\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCost\u003c\/td\u003e\n\u003ctd\u003eLower\u003c\/td\u003e\n\u003ctd\u003eHigher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver\u003c\/td\u003e\n\u003ctd\u003eCH340 (free download)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eGood (Win\/Mac\/Linux)\u003c\/td\u003e\n\u003ctd\u003eExcellent (FTDI VCP driver)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Baud Rate\u003c\/td\u003e\n\u003ctd\u003e2Mbps\u003c\/td\u003e\n\u003ctd\u003e3Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eGeneral use, Arduino\u003c\/td\u003e\n\u003ctd\u003eIndustrial, high-reliability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose This Adapter?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3.3V \/ 5V selectable\u003c\/strong\u003e — compatible with both 3.3V (ESP8266, ESP32) and 5V (Arduino) devices\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e-40°C to +85°C\u003c\/strong\u003e — reliable in demanding environments\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDTR pin available\u003c\/strong\u003e — enables auto-reset for Arduino bootloader programming\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompact module\u003c\/strong\u003e — fits in toolbox for field use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino bootloader programming via UART\u003c\/li\u003e\n\u003cli\u003eESP8266 \/ ESP32 firmware flashing\u003c\/li\u003e\n\u003cli\u003eUART serial debug monitoring\u003c\/li\u003e\n\u003cli\u003eMicrocontroller UART communication testing\u003c\/li\u003e\n\u003cli\u003eGPS, GSM, and Bluetooth module AT command interface\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × USB to TTL Serial Adapter Module (CH340G or FT232RL, as selected)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"FT232BL","offer_id":46991446737131,"sku":"14:350852#FT232BL","price":8.96,"currency_code":"USD","in_stock":true},{"title":"CH340G","offer_id":46991446769899,"sku":"14:1202#CH340G","price":7.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ch340g-ft232rl-usb-to-ttl-serial-adapter-module.webp?v=1761805340","url":"https:\/\/keszoox.com\/products\/usb-to-ttl-serial-adapter-ch340g-ft232rl-5v-3-3v-arduino-mcu-programming","provider":"Keszoox","version":"1.0","type":"link"}