Phone sensor calibration improves smartphone accuracy and fixes common sensor issues. Learn methods, tips, and advanced steps ...

'Lightly rub the rod to remove the carbon buildup. You don’t have to rub it roughly, just clean the soot off so it’s shiny ...

The iPhone's proximity sensor is one of its handier built-in features. When you raise your iPhone to your ear, its screen will automatically go dark due to the feature, saving battery and making sure ...

Whether you know a lot about cars or nothing about them, it's never fun to see the check-engine light—also known as a malfunction indicator light (MIL). This is your car trying to tell you it has ...

People with diabetes depend on glucose readings to manage their care. Incorrect low readings can lead to excessive ...