legacy wiki page - https://www.electrodragon.com/w/CH340
version 2
- SW1: switch power supply 5V or 3.3V
-
Mode Select: UART mode or all other modes (IIC/SPI EPP/MEM ENBALE)
- RDY LED: ready
-
TNOW LED: TNOW
- Supported Interface: SPI I2C UART, parallel
Mode
UART
- RDY_LED ON
Other
- TNOW_LED ON
Version Logs
Version V1
Notice: The VCC pin and GND pin on 4-pin UART interface is reversed on current version, when use it please notice the on board new mark!
Demo Video
- https://www.youtube.com/watch?v=mDvtJh_AFeM