0:00 Intro 2:07 Preparing an iPhone 5:27 How does an SEM work? 6:50 iPhone MEMS microphone 10:06 iPhone accelerometer 13:20 iPhone gyroscope 14:40 Metal coating 16:31 Cardboard 17:32 Thermal ...

Scanning electron microscope (SEM) images of products from each type ... Accelerometers and gyroscopes in smartphones, MEMS microphones, and MEMS-based pico-projectors enhance user experience and ...

Deciding to go for a full digital design for the circuitry, the peripheral is based off of a MEMS microphone and an STM32 microcontroller doing the heavy lifting between it and a USB connection.