Tindie

PCB coil joule thief

(1 Review)

Hackaday 2018 Power Harvesting Challenge winner !!!

Designed by KITS for KIDS in Slovakia

PCB coil joule thief 1

PCB coil joule thief 2

PCB coil joule thief 3

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Hackaday 2018 Power Harvesting Challenge winner !!!

What is it? A joule thief is a minimalist self-oscillating voltage booster that is small, low-cost, and easy to build, typically used for driving small loads. This circuit is also known by other name…

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What is it?

A joule thief is a minimalist self-oscillating voltage booster that is small, low-cost, and easy to build, typically used for driving small loads. This circuit is also known by other names such as blocking oscillator, joule ringer, vampire torch.

What is it used for?

It is used to suck all the remaining energy from a not completely dead battery to illuminate the LED.

Or just as simple LED driver to powering a white LED from a low voltage source. AA battery

Why did you make it?

This is unique device with an on board coil. I wanted a true, original joule thief but without winding toroid transformer

What are some special features?

I replaced toroid transformer with PCB etched dual coil

Some measurements

Input voltage 1.5V
Startup voltage 0.5V
Frequency 260Khz
Input current 36mA
Output current 5mA through LED
No load output voltage 20V
for AAA battery

You receive fully assembled and working board or KIT.

AA Battery is not included.

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Review Breakdown

5

0

4

1

3

0

2

0

1

0

Average Ratings

Product: (5.00)

Documentation: (4.00)

Shipping: (4.00)

Communication: (4.00)

Hamilton | May 3, 2019

A simple and enjoyable product

I'd buy it again. Solid work, very quick and fun. Sparks further interest in pcb coils. Hopefully we'll see more from this guy.

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KITS for KIDS

Sarisske Dravce, Prešov Region, Slovakia

Ships from Slovakia.

8 Reviews | 147 Orders

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