Skip to content

Vibrations

rmarabini edited this page Apr 12, 2020 · 13 revisions

Acelerometers

Hardware

ADXL355Z mounted in an evaluation board as https://www.analog.com/media/en/technical-documentation/user-guides/EVAL-ADXL354-355-UG-1030.pdf

Conection with rasberry

ADXL355 Pin Number ADXL Pin description GPIO Pin
P1
P1-1 Digital Power 17
P1-3 Digital Ground 1
P1-5 Digital Ground 9
P2
P2-2 Chip Select 24
P2-4 Serial Clock (SCLK) 23
P2-5 Master In Slave Out (MISO) 21
P2-6 Master Out Slave In (MOSI) 19

stby 3 to gnd

See figure A3.1 (https://upcommons.upc.edu/bitstream/handle/2117/121564/memoria.pdf)

Software

https://github.com/gpvidal/adxl355-python

https://github.com/nuclearfutureslab/adxl355-pi

In order to use SPI on Raspberry Pi, the interface must be enabled. On the raspberry console:

$ raspi-config

teste on line http://onlinetonegenerator.com/

  • record data for a minute with frec= 50
  • perform 1D fourier transform
  • see plot

Quick Test

cd temp_sensor/rpiWebServer/adxl355-pi

Single measurement: demo-connection.py

Loop (each second): demo-connection_loop.py Loop at a certain rate: record.py

Clone this wiki locally