ch341 usb to i2c module

1. provide 5V with 3.3V voltage output

2.USBturnUART (serial data, ISPWay program download, STC/STMMCU)

Ø Serial data communication (50bps ~ 2Mbps, conventional transmission speed not configurable)

Ø ISPWay program download (STC/STMMCU)

3.USBturnIIC / I2C (flashchip, IIC device operation, brush)

Ø Only doMaster.20K,100K,400K,750KMMore adjustable communication speed

4. have lamp status display

5.Function, the switching voltage terminal