With a 555 on the BOM, you never know what you’re going to get. With 40 of the versatile timer chips in a build, you might just get something completely unexpected, like this 555-based eight-bit ...

We are in a digital era! Now we can add some intelligence to our doors and gates without too much investments. Just assemble this little door timer circuit built around a few cheap and simple ...

The circuit was created for the purpose of providing timing capability to turn OFF the amplifier as it becomes idle a specified amount of time. 7812 – 3-terminal 1A positive voltage regulator with ...