how to use accelerometer ic?

Question:

Answer: It depends on the manufacturer and type. Some accelerometer chips (like the ones from Analog Devices or Memsic) are accessible digitally using an SPI (3-wire) interface. Other types (like from Honeywell, Epson) have an analog output that will need to be read with a very precision amplifier and analog to converter IC. Most of the time, the application will dictate which is better. The modern accelerometer ICs use MEMS technology. They are used for measuring acceleration or "G" forces and are used for determining inclination angle or for measuring impulse or sinusoidal motion. The web sites of Analog Devices gives a good assortment of application notes on how to use their devices.

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