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 ...

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 brand-new alkaline battery cell has an electric potential of about 1.5 volts, which drops as ... By wiring a circuit called a “joule thief,” you can tap the last of that power to light ...

The KOMA is the only vehicle jump starter equipped with a Joule Thief voltage booster, says its creators. Watch the demonstration video below to learn more about the unique feature and the ...