This ambient LED light designed by Jasper Hou is powered by a mechanical timer in the base. After giving the base a twist, the timer gradually releases its energy, powering the LED light as it unwinds ...

Looking for something with a bit more style than the traditional kitchen timer, [Martin Jonasson] decided to take the last couple of months to design and build his own take on the idea using a rotary ...

Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 ...