Guide to gyro and accelerometer with Arduino including Kalman filtering

Apple upgrades the iPhone 14 specs with HDR gyro and 256G accelerometer for Crash Detection

The Russian PIU-1 “Kapitoshka” electronic impact fuze for FPV warheads uses an accelerometer to initiate an electric detonator.But if the power is disconnected, after 3-4 seconds a capacitor discharges to initiate detonation.It has 3 minute delay and a 60 minute self-destruct.