LDRs or Light Dependent Resistors are very useful especially in light/dark sensor circuits. Normally the resistance of an LDR is very high, sometimes as high as 1000 000 ohms, but when they are ...

A load switch is an electronic switch. It works like a relay to power supply rails in systems, but it has no moving parts. Load switches are increasingly found in today’s portable electronic devices, ...

“A heat pump thermostat is designed to have multiple options for heating your home,” Sherman says. “These are often referred to as ‘two heat, one cool’ thermostats, or similar verbiage.” Because heat ...

Explore simple electrical circuits and different electrical symbols with Dr Bigbrain and Horrible Science. ... it will only work if the switch is in the on position meaning the circuit is closed.