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Learn how to wire together your own tilt-activated LED lamp, perfect as an accent light or gift. ... Now that the LED is there to help hold the shape of the circuit, ...

There’s no doubting the allure of a nicely crafted LED cube; likewise, there’s no doubting that they can be a tremendous pain to build. After all, the amount of work scales as the cube … ...

Frank’s LED dimming circuit is based on a 555 Timer chip. The fixture is only pulsed long enough with the 12 volts to establish the desired brightness level. This method overrides the “avalanche” ...

Flexible circuits don’t always have to flex; they are often bonded to something rigid. They can also ‘flex to fit’, conforming to a curved design. Designers can fold and shape their circuits into ...

By wiring a circuit called a “joule thief,” you can tap the last of that power to light a white ... 10 mm superbright white LED; 24-gauge wire from old network cable; Toroid transformer core, ...

Run the inner wire halfway around your wheel's inner, cut to size and repeat three more times. "Strip away the plastic from the inner wire every 50mm, then rewire the LEDs closer together," Cram says.

Learn how to make your own rechargeable LED emergency light at home using simple components! This easy DIY project requires a plastic container, switch, charging module, buck converter, 3.7V ...