Product Features:

Comes with 3.3V voltage, with power indicator Power input with anti-reverse protection, and can not provide more than 150mA of current.

To achieve direct serial 5V and 3.3V level communication.

The maximum stable communication baud rate 28800bps.

Can achieve UART, IIC, 1-wire, SPI and other bus signals 3V-5V level of the two-way conversion.

Compatibility:

AVCC 5V system power supply 

ASCL 5V system SCL

ASDA connected 5V system SDA 

AGND then 5V system GND

BVCC then 3V system power supply 

BSCL then 3V system SCL

BSDA connected 3V system SDA 

BGND then 3V system GND