Engineering Toolbox

Dimensional lumber has changed a lot in size since they first started cutting it and the nominal size of 2×4 […]

Summary Many pieces of electronic equipment include a power supply unit (often abbreviated to PSU) to convert the raw electrical

Relays are electrically operated switches that open and close the circuits by receiving electrical signals from outside sources. They turn

Introduction This IR proximity sensor senses objects in light or dark conditions. The sensor can automatically detect objects in front