Pin-out Description
- Power supply :5V-3V
- AVCC connect to 5V system power
- ASCL connect to 5V system SCL
- ASDA connect to 5V system SDA
- AGND connect to 5V system GND
- BVCC connect to 3V system power
- BSCL connect to 3V system SCL
- BSDA connect to 3V systems SDA
- BGND connect to 3V system GND
