Big Joule Theif circuit
#Joule Thief
#energy harvesting
#low voltage
#LED driver
#boost converter
#DIY electronics
#power efficiency
#circuit hacking
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Random oscillator circuit for high power LEDs
A circuit is needed to drive three or more LEDs at a current of 200-350mA each, with the capability to randomly flash or strobe them at a frequency of 5-20Hz. The input power should be low-voltage DC, with a preference...
Easy Joule Thief circuit
Easy Joule Thief Soldering Kit from MakersBox on Tindie
The Easy Joule Thief Soldering Kit is designed for educational purposes, allowing users to learn about basic electronics through hands-on experience. This kit includes all necessary components to assemble a Joule Thief...
Design of a Nonisolated Flyback LED Driver Reference Schematic
Flyback LED drivers are versatile as they can be utilized in applications with input voltages either above or below the necessary output voltages. They feature a straightforward circuit configuration that maintains a constant LED current without the need for additional...
ATTiny Joule Thief circuit
Joule thieves are not limited to illuminating standard LEDs. They can be utilized with an ATtiny microcontroller to power NeoPixel LEDs.
Joule thieves are simple and efficient circuits designed to extract and boost low voltage energy from sources such as depleted...
joule thief circuit boosts voltage from 1.5V battery
Like all joule thieves, this circuit boosts the voltage from a single 1.5V dry cell battery high enough to illuminate ultrabright GaN blue, green, or white LEDs. Instead of requiring a custom coil, it utilizes an off-the-shelf standard Kemet SU9H-07010...
LM3551 LM3552 led driver schematic circuit design
The LM3551 and LM3552 are fixed frequency, current mode step-up DC-DC converters featuring two integrated NFETs. These devices facilitate the design of a straightforward and highly precise LED brightness control system. They are capable of driving loads up to 1A...
CAT3606 LED driver application circuit
CAT3606 is a high-efficiency white LED driver. This adjustable charge pump is suitable for general-purpose, large-panel, flicker-free white LED backlighting and dual-display systems. The CAT3606 inductor boost circuit can replace conventional high-brightness backlighting requirements, thereby simplifying system design. It has...
Boost Converter Design
Ignore components C1, C2, R3. The MOSFET, Q1, switches on, creating a short circuit between the right-hand side of the inductor, L1, and ground (0V). A fixed voltage of 3.3V is applied across the inductor, causing its current to ramp...
Automobile White LED Light
A simple and safe white LED driver circuit has been designed for use in 12V automobiles, allowing for the efficient operation of standard high-efficiency white LED modules powered by automotive battery systems. The circuit utilizes a fixed voltage regulator IC...