How stuff works??? - Accelerometer
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In the current video we discuss the physics behind working of the accelerometer. Accelerometer is a key component in IMU (Inertial measurement unit). IMU is widely used in space vehicles, satellites, unmanned vehicles. The most common equipment we use in our daily lives having IMU is a smartphone. Be it android or ios, every smartphone has an accelerometer built into it. So what does accelerometer measure? Well, it is used to determine the component of acceleration in X, Y and Z planes in 3d space. Using these values of acceleration, different apps in the smartphones can perform various tasks. When readings of accelerometer are combined with the data from gyroscope and magnetometer (the other components in IMU), the orientation of the body in 3d space can be obtained and location of the body can be determined. The video first discusses the basic principle of acceleration measurement using a spring mass system. The value of acceleration is inferred by measuring the displacement. Check out the video to understand this concept better using animations. Once the basic principle about measurement of acceleration is understood, we learn about MEMS. MEMS stands for micro electro mechanical systems. These systems make it possible for accelerometer to be fabricated into small IC (Integrated Circuit). The video then explains how MEMS for accelerometer works. Hope you enjoy the video and learn about the accelerometer. Stay calm and keep learning :)
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Link to the video on Gyroscope:
https://youtu.be/ti4HEgd4FgoLink to the video on Magnetometer:
https://youtu.be/_ZiLwoClRGQLink to the video on Basics of UV-Vis spectroscopy in Analytical Instrumentation:
https://youtu.be/MKFjGIrRKt4Link to the Video on Filters and Monochromators, Gratings used in Analytical Instrumentation:
https://youtu.be/pxDbEkspXs0Link to the Video on Detectors used in Analytical Instrumentation:
https://youtu.be/YI17AmrR5IwLink to the Video on Single Beam Photometer used in Analytical Instrumentation
https://youtu.be/J8Bqyqjlqy0Check our playlist on Digital Electronics:
https://www.youtube.com/playlist?list=PLsaRQCHmdZTBd8xnz_XqhHYdFGlnDapC4 Follow us on:
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https://soundcloud.com/slow-star/robotic-after-allPicture credits:
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accelerometer IC :
http://www.globalspec.com/learnmore/sensors_transducers_detectors/acceleration_vibration_sensing/accelerometerscombined IC :
https://www.tindie.com/products/ozzmaker/berryimu-accelerometer-gyroscope-magnetometer/#mems accelerometer :
http://www.memsjournal.com/2010/12/motion-sensing-in-the-iphone-4-mems-accelerometer.html-~-~~-~~~-~~-~-
Please watch: "What makes our phones smart? - SOC | System on Chip | Brain of a smartphone"
https://www.youtube.com/watch?v=qrT6uSBraEg-~-~~-~~~-~~-~-
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