When we tilt our Smartphone from Portrait to Landscape ... How does it know that we're tilting our phone? Watch what happens when we snoop the Accelerometer Data from #PinePhone @PINE64 with Apache #NuttX RTOS (Real-Time Operating System)

https://www.hackster.io/lupyuen/inside-a-smartphone-accelerometer-pinephone-with-nuttx-rtos-b92b58

#PinePhone's Accelerometer appears as /dev/imu0 on Apache #NuttX RTOS ... Let's read the InvenSense MPU-6050 Accelerometer over I2C

Article: https://www.hackster.io/lupyuen/inside-a-smartphone-accelerometer-pinephone-with-nuttx-rtos-b92b58#toc-build-and-boot-nuttx-rtos-0

#NuttX HexDump is the quickest way to read #PinePhone's MPU-6050 Accelerometer

Article: https://www.hackster.io/lupyuen/inside-a-smartphone-accelerometer-pinephone-with-nuttx-rtos-b92b58#toc-get-accelerometer-data-1

Decoding #PinePhone's Accelerometer Data ... Yep there's an Ambient Temperature Sensor inside the MPU-6050 Accelerometer!

Article: https://www.hackster.io/lupyuen/inside-a-smartphone-accelerometer-pinephone-with-nuttx-rtos-b92b58#toc-decode-the-accelerometer-data-2

When we tilt #PinePhone from Portrait to Landscape ... Accelerometer X and Y values change significantly

Article: https://www.hackster.io/lupyuen/inside-a-smartphone-accelerometer-pinephone-with-nuttx-rtos-b92b58#toc-decode-the-accelerometer-data-2

Let's write a #NuttX App to read the data from #PinePhone's MPU-6050 Accelerometer

Article: https://www.hackster.io/lupyuen/inside-a-smartphone-accelerometer-pinephone-with-nuttx-rtos-b92b58#toc-read-the-accelerometer-3

Can we compute the Tilt Angle with #PinePhone's MPU-6050 Accelerometer? Yep, but it gets complicated...

Article: https://www.hackster.io/lupyuen/inside-a-smartphone-accelerometer-pinephone-with-nuttx-rtos-b92b58#toc-further-reading-4