ESP8266-01 flashing and programming Tool


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This USB to ESP8266-01 adapter module provides a comprehensive solution for programming and functional debugging of the ESP8266-01, featuring an integrated CH340G USB to TTL IC driver for easy connection to your computer. With its innovative design, the ESP8266-01 module can be directly connected to the yellow pin header without the need for additional wiring or jumpers.


  • Operating voltage: 4.5V – 5.5V (with integrated 3.3V LDO regulator) for enhanced stability.
  • Working current: 300mA (supplied by the LDO regulator).
  • Selectable work mode with built-in toggle switch:
    • UART: for serial TTL debugging
    • PROG: for firmware programming
  • USB to TTL Chip Serial: CH340G
  • Logic level: 3.3V
  • Size: 5×1.4cm

Package includes: 1 piece of USB to ESP8266-01 adapter module for programing/reflashing ESP8266-01 (the ESP8266-01 module is not included)


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