The engineers and designers at Shargeek, responsible for creating a selection of very unique and cyberpunk inspired battery packs over the past few years. Have this month launched their third ...

Which countdown clock is best? The year is quickly coming to an end, and many have started to make plans for their New Year’s Eve celebrations. You might have the perfect venue in mind and have ...

This simple LED driver circuit allows us to drive up to seven LEDs by using a single NiMH (Nickel Metal Hydride) AA cell. The circuit produces voltage pulses at a much higher level than the input ...

The circuit was designed without the use of a power supply or a moving coil voltmeter to create a quick battery tester which can test 1.5 V to 15 V battery cells with a two-LED display. BC337 – a ...

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 ...