Learn when TPMS sensor replacement is needed, how sensor modes work, and tips for troubleshooting signal issues in the shop.

Motion sensors work similarly, only with heat. Most motion sensors rely on a pyroelectric material that activates when it detects a change in temperature. The sensor is separated into two parts ...

If your iPhone's sensors aren't working correctly, you may need to calibrate them. Here's how to calibrate an iPhone's brightness and motion sensors.