Boost step up joule thief module 0,8V to 2,4V input can drive many parallel leds flash light from energy harvestingDesigned by vitor_market in Portugal
Technology: It's a new designed joule thief which uses SMD components and doesn't require a toroid inductor to work correctly. Large SMD input and output pads make it easy to solder wires on it or ...Read More…
Technology: It's a new designed joule thief which uses SMD components and doesn't require a toroid inductor to work correctly. Large SMD input and output pads make it easy to solder wires on it or even solder one LED directly on the pads. The small size of the board (10x16mm) make it ideal for flashlight upgrades or DIY flash lights. The efficiency of the circuit is around 70%, generally the more the input voltage the more the efficiency. Unlike other kits this one is doesn't use a toroid inductor which may cause problems building or testing it, plus the small size. You can use any source voltage between 0.8 and 2V, feel free to experiment. The boards are designed and built in Europe.
Advantages: 1. Small size (10 x 16mm) 2. Reliable (unit is tested and working) 3. Ready made board (no need to build it yourself) 4. Easy to use, one input one output. 5. Can use more than one LED in parallel e.g. 3 LED's (series is not recommended) 6. LED current is rated at 5-10mA depending on your input.
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