BTW, smartphone acceleromoters are also packaged for hobbyists; a board like https://www.adafruit.com/product/2019 https://www.adafruit.com/product/2019 can be

BTW, smartphone acceleromoters are also packaged for hobbyists; a board like https://www.adafruit.com/product/2019 https://www.adafruit.com/product/2019 can be easily used to make any number of applications when coupled with a microcontroller. https://learn.adafruit.com/adafruit-mma8451-accelerometer-breakout https://learn.adafruit.com/adafruit-mma8451-accelerometer-br...