JOULE THIEF LED Flashlight UNBUILT PCB DIY electronics learning project toy KIT

Description

OUR OWN DESIGN - Combination Joule Thief / Flashlight kit.
===== HUNDREDS and HUNDREDS SOLD ! ! =====
We took the classic Joule Thief circuit, and applied our electronic expertise, and made the unique, practical improvements listed below!
* - Self-contained PC board design with battery holder.
* - Convenient and practical rectangular shape, hole for chain or rope.
* - High efficiency coil
* - THREE high brightness LED's
* - On/Off switch
In addition to being a Joule Thief learning circuit, the kit also serves as a low power flashlight.
The light is not as bright as an ordinary flashlight, but makes a great low power - emergency flashlight. Since it runs on dead batteries, you will always have light!
Easy printed circuit board assembly. High quality fiberglass circuit board. Single sided design without plated through holes, so it is easy for the beginner to solder and unsolder.
Complete with all parts.
NOTE
: Use a LOW wattage solering iron to asemble this kit.
What is a Joule Thief circuit?
A joule thief circuit allows a fresh or 'dead' battery, to power one or more LED's. Normally a single 1.5 volt battery can not light an LED, as they require 2-3 volts to operate. The Joule Thief boosts the battery voltage to power the LED's.
The circuit will work down to approximately 0.5 volts, so batteries you would normally throw out, will still power the circuit
! Battery not included. Complete with instructions. 30 day satisfaction guarantee return.
See our other listings for a 10 piece lot at a discounted price, and coil sold separatel
y
See our other listings for more Radio, Electronic and other
RARE
and
UNIQUE
items.
The seller makes no representation of any item(s) sold to be fit for a particular purpose and assumes no liability for its use or misuse. It is assumed that the unit(s) will be installed and operated by qualified personnel. The purchaser agrees that the seller shall not be held responsible or liable for any injuries or damages, whether incidental or consequential, associated in any way with the item(s).
See our other listings, for more of our EXCLUSIVE PC board kits,
including reproduction Knight Allied and Heathkit items.
See our other listings, for more of our EXCLUSIVE PC board kits,
including reproduction Knight Allied and Heathkit items.