A USB data streaming accelerometer based on the ADXL345 integrated circuit.
Designed by electromake in Poland
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WHAT IS IT? This is a small and compact USB accelerometer (motion detector) based on the ADXL345 IC. You can easily plug it into your PC, MAC or Raspberry Pi and be able to measure acceleration in th…
Read More…This is a small and compact USB accelerometer (motion detector) based on the ADXL345 IC. You can easily plug it into your PC, MAC or Raspberry Pi and be able to measure acceleration in the same way your smartphone does.
Data is streamed with CSV (ASCII characters separated by comma) format so it's easily readable in any programming language.
Just plug the device into a USB port and the data will be streamed. You can easily plot it in real time using SerialPlot. You can use SerialPlot to send commands too. If you just want to acquire data and save it to file, you can use a serial port reader like cutecom or many other solutions available over the internet.
Here is a list of commands that you can send to the accelerometer dongle. You can control the frequency of data sampling, the range of measured acceleration and stop/start streaming data. This dongle has an LED to indicate if the acceleration is measured and how fast it is measured. It also has an LED power indicator.
STOP - Stops accelerometer data streaming.
START - Starts accelerometer data streaming.
FREQ frequency - Changes acceleration data sampling frequency.
Available frequency values in hertz are: 3200, 1600, 800, 400, 200, 100, 50, 25, 12.5, 6.25, 3.13, 1.56, 0.78, 0.39, 0.2, 0.1.
| Command | Frequency value [Hz] |
|---|---|
| FREQ 3200 | 3200 |
| FREQ 1600 | 1600 |
| FREQ 800 | 800 |
| FREQ 400 | 400 |
| FREQ 200 | 200 |
| FREQ 100 | 100 |
| FREQ 50 | 50 |
| FREQ 25 | 25 |
| FREQ 12.5 | 12.5 |
| FREQ 6.25 | 6.25 |
| FREQ 3.13 | 3.13 |
| FREQ 1.56 | 1.56 |
| FREQ 0.78 | 0.78 |
| FREQ 0.39 | 0.39 |
| FREQ 0.20 | 0.20 |
| FREQ 0.10 | 0.10 |
RANGE range - Changes range of measured data
Available range values in g (9.81 m/s^2) are: 2, 4, 8, 16
| Command | Range in g [9.81 m/s^2] |
|---|---|
| RANGE 2 | ±2 |
| RANGE 4 | ±4 |
| RANGE 8 | ±8 |
| RANGE 16 | ±16 |
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sudo sh install_usbacc_rules.shIn the case of Raspberry Pi follow above guide for the Linux OS.
I will do it as fast as possible. Usually 1-2 days after purchase. If there will be any obstacles I will inform you via e-mail.
You will get one 3 axis USB accelerometer dongle for the price above.
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