UART to USB flasher Rev4 ESP8266 BLE module

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Quick Details
Place of Origin:
Beijing, China (Mainland)
Brand Name:
Model Number:
Output current:
400mA+ (a MIC5219 LDO)
Logic ICs
System support:
Windows 98SE/2000/XP/Vista/Window7/Mac OS 9/Mac OS X/Linux 2.40
Operating voltage:

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Selling Units:
Single item
Single package size: 
10X10X5 cm
Single gross weight:
0.02 kg
Package Type:
opp bag and carton box
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UART to USB flasher Rev4 ESP8266 BLE module 


Product Description 

Change For Rev4

  • Replace CP2102 to CP2104
  • Can also support ESP32
  • Breadboard friendly
  • Smaller size

What is 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.

Why did you make it?

The converter supports 400mA+ current. It’s good for programming ESP8266 and ESP32 module

For program with Arduino IDE, the circuit does the trick for auto reset. Thanks for NodeMCU team!


  • Based on CP2104
  • ESP8266 and ESP32 supported
  • Breadboard friendly
  • A Reset button and a flash button
  • No need press reset button when programming esp8266 / esp32 with Arduino IDE
  • Operating voltage:3.3V
  • System support:Windows 98SE/2000/XP/Vista/Window7/Mac OS 9/Mac OS X/Linux 2.40
  • Output current:400mA+ (a MIC5219 LDO)

Please refer the wiki for more information


Contact:Julia Zheng  


Tel: 86-10-5629 0047 

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