A common project among electronics tinkerers is the joule thief, a self-oscillating circuit that can “steal” the remaining energy in a battery after the voltage has dropped so low that most ...

Joule thief are small, fun circuits which exploit a few characteristics of electronics and LEDs in order to “steal” virtually all of the energy stored in a battery. They can operate at ...

By wiring a circuit called a “joule thief,” you can tap the last of that power to light a white LED. The circuit boosts the dwindling voltage but delivers it in pulses too rapid to see.

What's a Joule Thief? A "joule thief" is a circuit that helps drive an LED light even though your power supply is running low. What can we do with it? We can use it to squeeze the life out of our ...

This joule thief led or high efficiency LED with 1.5 volt driver is a tried and tested circuit built around some discrete electronics components. A common 5 mm high-efficiency white LED (D1) is the ...

A joule thief is a circuit that boosts voltage from the power source—they are most popularly used in battery-operated cell phone boosters. The Peltier cooler generates small amounts electricity ...

Related: HOW TO: Make a stunning wooden table with glow-in-the-dark resin infill If you want a voltage booster, connect a Joule Thief circuit to the DC output of the CPU fan. Then, all you need ...