https://github.com/ldab/lis3dh-motion-detection

Minimalistic library for motion detection using low cost ST LIS3DH, 3-axis MEMS accelerometer, ultra-low-power that works
https://github.com/ldab/lis3dh-motion-detection

arduino esp8266 iot low-power motion-detection motion-tracking sensor sensors

Last synced: about 2 months ago
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Minimalistic library for motion detection using low cost ST LIS3DH, 3-axis MEMS accelerometer, ultra-low-power that works

• Host: GitHub
• URL: https://github.com/ldab/lis3dh-motion-detection
• Owner: ldab
• License: mit
• Created: 2019-03-03T16:32:34.000Z (almost 6 years ago)
• Default Branch: master
• Last Pushed: 2024-07-18T08:54:20.000Z (5 months ago)
• Last Synced: 2024-07-18T11:07:19.251Z (5 months ago)
• Topics: arduino, esp8266, iot, low-power, motion-detection, motion-tracking, sensor, sensors
• Language: C++
• Size: 672 KB
• Stars: 7
• Watchers: 3
• Forks: 5
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# LIS3DH Motion detection

Minimalistic library for motion detection using low cost ST LIS3DH, 3-axis MEMS accelerometer, ultra-low-power, ±2g/±4g/±8g/±16g full scale, high-speed I2C digital output, embedded FIFO, high-performance acceleration sensor, LLGA 16 3x3x1.0 package

[![GitHub version](https://img.shields.io/github/release/ldab/lis3dh-motion-detection.svg)](https://github.com/ldab/lis3dh-motion-detection/releases/latest)

[![Build Status](https://travis-ci.org/ldab/lis3dh-motion-detection.svg?branch=master)](https://travis-ci.org/ldab/lis3dh-motion-detection)

[![License: GPL v3](https://img.shields.io/badge/License-MIT-green.svg)](https://github.com/ldab/lis3dh-motion-detection/blob/master/LICENSE)

[![GitHub last commit](https://img.shields.io/github/last-commit/ldab/lis3dh-motion-detection.svg?style=social)](https://github.com/ldab/lis3dh-motion-detection)

## TODO

- [x] Implement better debug handler

- [ ] Add Filter options

- [ ] Update Keywords

## Low Power configuration

Operating mode  | Turn-on time (ms) | @2g (mg/digit)  

----------------|-------------------|----------------

Low Power 8bits |1|16

Normal Mode 10bits|1.6|4

High Res 12bits|7/ODD|1

###  Current consumption of operating modes μA

Operating mode (HZ) | Low Power | Normal Mode | High Resolution

----------------|-------------------|----------------|-----------

1|2|2|2

10|3|4|4

25|4|6|6

50|6|11|11

100|10|20|20

200|18|38|38

400|36|73|73

1344||185|185

1620|100||

## Interrupt Threshold

Interrupt threshold sensitivity is directly proportional to the Full Scale 2, 4, 8 or 16g chosen:

> This value can be anything from 1 to 127

* 16 mg @ FS = ±2 g

* 32 mg @ FS = ±4 g

* 62 mg @ FS = ±8 g

* 186 mg @ FS = ±16 g

## REG2 Filters

TODO

## Credits

Inspired by [SparkFun LIS3DH Arduino Library](https://github.com/sparkfun/SparkFun_LIS3DH_Arduino_Library)

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