{"product_id":"esp-01-usb-programmer-adapter-ch340g-usb-esp8266-uart-flash-debug","title":"ESP-01 USB Programmer Adapter — CH340G, USB to ESP8266 UART, Flash \u0026 Debug","description":"\u003ch2\u003eESP-01 USB Programmer Adapter — CH340G, USB to ESP8266 UART\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003eESP-01 USB programmer adapter\u003c\/strong\u003e provides a complete USB-to-UART interface for flashing firmware and debugging the ESP8266 ESP-01 \/ ESP-01S module. Built around the CH340G USB-to-serial IC with an auto-reset circuit, 1000μF decoupling capacitor, and 3225 SMD crystal, it eliminates the need for manual GPIO0 wiring during firmware upload — simply plug in the ESP-01, connect USB, and flash.\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Module\u003c\/td\u003e\n\u003ctd\u003eESP8266 ESP-01 \/ ESP-01S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUSB Type-A (to PC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto-Reset\u003c\/td\u003e\n\u003ctd\u003eYes (GPIO0 auto-pulled LOW for flash mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDecoupling Capacitor\u003c\/td\u003e\n\u003ctd\u003e1000μF (stable 3.3V supply for ESP-01)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrystal\u003c\/td\u003e\n\u003ctd\u003e3225 SMD (CH340G clock)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver\u003c\/td\u003e\n\u003ctd\u003eCH340 driver (Windows\/macOS\/Linux)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Use This Programmer vs Manual Wiring?\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eThis Programmer\u003c\/th\u003e\n\u003cth\u003eManual UART Adapter\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPIO0 Flash Mode\u003c\/td\u003e\n\u003ctd\u003eAuto (no wiring)\u003c\/td\u003e\n\u003ctd\u003eManual (pull LOW each time)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Stability\u003c\/td\u003e\n\u003ctd\u003e1000μF cap (stable)\u003c\/td\u003e\n\u003ctd\u003eDepends on adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEase of Use\u003c\/td\u003e\n\u003ctd\u003ePlug and flash\u003c\/td\u003e\n\u003ctd\u003eMultiple wires needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose This ESP-01 Programmer?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eAuto flash mode\u003c\/strong\u003e — GPIO0 automatically pulled LOW, no manual wiring\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1000μF capacitor\u003c\/strong\u003e — prevents brownout during ESP-01 WiFi transmission\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCH340G\u003c\/strong\u003e — reliable, widely supported USB-to-serial IC\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDirect ESP-01 socket\u003c\/strong\u003e — plug ESP-01 directly, no breadboard needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eArduino IDE compatible\u003c\/strong\u003e — works with ESP8266 board package for Arduino\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eESP-01 \/ ESP-01S firmware flashing via Arduino IDE\u003c\/li\u003e\n\u003cli\u003eESP8266 AT firmware update\u003c\/li\u003e\n\u003cli\u003eESP-01 MicroPython \/ NodeMCU firmware upload\u003c\/li\u003e\n\u003cli\u003eESP-01 serial debug monitoring\u003c\/li\u003e\n\u003cli\u003eIoT project ESP-01 programming\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × ESP-01 USB Programmer Adapter (CH340G)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991443067115,"sku":"\u003cnone\u003e","price":4.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/esp01-programmer-adapter-usb-uart-ch340g-arduino-iot.webp?v=1761806536","url":"https:\/\/keszoox.com\/products\/esp-01-usb-programmer-adapter-ch340g-usb-esp8266-uart-flash-debug","provider":"Keszoox","version":"1.0","type":"link"}