4
Pin Layout
3.3V
Power output
–
3.3 V output.
Vcc
Power supply
–
It should be between 3 and 5 V.
SDA
I²C data signal
–
Bi-directional data line. Voltage should not exceed power
supply.
SCL
I²C clock signal
–
Master-controlled clock signal. Voltage should not
exceed power supply.
SA0
I²C address
–
I2C least significant bit of the device I2C address.
I2
Interrupt 2
–
Programmable interrupt. Can indicate data ready,
orientation change, tap, and more.
I1
Interrupt 1
–
Programmable interrupt. Can indicate data ready,
orientation change, tap, and more.
GND
Ground
–
0 V/common voltage.
Example
Installation