From ElectroDragon Wiki


  • CH340G
  • CH340C
  • CH340T
  • CH340E

Pin Definition

Ch340 2.gif

  • For CH340E, add two filter capacitor, VCC-GND, V3-GND, optionally

CH340 Programmer


  • 5V is USB power 5V
  • 3V3 is the regulated voltage on module
  • Short connect VCC to 5V, then module VCC is 5V, TTL output 5V
  • Short connect VCC to 3V3, then module VCC is 3V3, TTL output 3V3

Please refer to the schematic


CH340 Driver

CH340 Driver.jpg

Pages in category "CH340"

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