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# What's it

A CP2104 3.3V USBToUART converter support 400mA+ current. Program ESP8266/ESP32 module just like NodeMCU. It has smaller size than rev2 and we make it breadboard friendly. You can also use the flasher to programming ESP32 without pushing flash button.

# What's Difference

  • Micro USB interface
  • Overcurrent Protection for USB

Diagram pictures

# Hardware Photos

ESP Flasher Rev4