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VCC-3.3
ADXL345
R16
10K
R15
10K
U3
VCC
GND
NC
GND
GND
VCC
CS
SCL
K
SDI
SDO
NC
NC
INT2
INT1
ADXL345
C11
100nF
VCC-3.3
C12
100nF
VCC-3.3
P0.2
P0.3
VCC-3.3
VCC-3.3
7. Accelerometer
The accelerometer is used to measure acceleration
in three axis: x- y- and z-. The acceleromer’s function
is defined by the user in the program loaded into
the microcontroller. Communication between the
accelerometer and the microcontroller is performed
over the
I2C
interface.
Figure 7-2: Accelerometer
connecting schematic
Figure 7-1:
Accelerometer
module
