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Posts Tagged ‘Kionix’

App note: Magnetometer placement in mobile devices

Sunday, June 2nd, 2019

App note from Kionix about magnetometer integration challenges from the mobile equipment point of view, and gives guidelines for the mounting position of the magnetic sensor. Link here (PDF) Electronic devices contain many parts which can affect a magnetic sensor. When deciding the mounting position, it is necessary to consider...

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App note: Using two tri-axis accelerometers for rotational measurements

Sunday, June 2nd, 2019

App note from Kionix on utilizing 2 linear accelerometers to determine angular rotational rates. Link here (PDF) In many applications, customers would like to measure rotational motions (angular velocity, angular acceleration) in addition to linear motions. Most often, gyroscopes are added to their end product to obtain the rotational information....

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App note: Magnetometer placement in mobile devices

Sunday, October 23rd, 2016

Correct magnetometer placement app note from Kionix. Link here (PDF) Electronic devices contain many parts which can affect a magnetic sensor. When deciding the mounting position, it is necessary to consider the types of materials and the amount of current carried in proximity of the magnetic sensor. Accuracy of an...

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App note: Free-fall sensing for drop-force modeling using a Kionix MEMS tri-axis accelerometer

Sunday, September 21st, 2014

Here's another app note (PDF) from Kionix on their tri-axis accelerometer applications. An earlier set-up was used in the application note's experiment. This application note describes how to use a Kionix MEMS tri-axis accelerometer as a free-fall sensor for drop force modeling applications. Required theory, equations, and sample event signatures...

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App note: Interfacing the KXP94 or KXR94 tri-axis accelerometer with the Texas Instruments MSP430F149 microprocessor to measure tilt and other motions

Sunday, September 21st, 2014

Capture motions with Kionix' Tri-Axis Accelerometers and a TI's MSP430F149. App note here (PDF) Kionix linear accelerometers function on the principle of differential capacitance. Acceleration causes displacement of a silicon structure resulting in a change in capacitance. A signal-conditioning CMOS technology ASIC detects and transforms changes in capacitance into an...

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App note: Accelerometer Errors

Sunday, September 7th, 2014

Temperature dependence, Sensor bias, Ratiometric error due to supply voltage variation and etc. These are some of the errors made by accelerometers, here's an app note from Kionix to help you deal with it. Although everyone would like them to be, sensors are not perfect. Understanding the accelerometer’s errors is...

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App note: Warranty Protection Using a Kionix MEMS Tri- Axis Accelerometer

Sunday, September 7th, 2014

Shock and vibration detection as part of product warranty protection, these sensors can be part of any drop sensitive devices i.e. Hard disk drives to record shock instances for warranty claims. Here's an interesting app note (PDF) from Kionix. This application note describes how to use a Kionix MEMS tri-axis...

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