Posts Tagged ‘night light’:

2025-08-10 Night Light Wastes Power Shunting Current From LEDs

This is the comment I left in Big Clive’s channel video. “I think this shunting current away from the LEDs is deceptive and fraudulent.  They should be required to tell this in the instructions.  In the US there are regulations governing vampire devices such as the AC adapters and their efficiency levels.  Since they’re on

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2012-07-09 Supercharged Joule Thief – Reduced Brightness

Peter is experimenting with my Supercharged Joule thief circuit.  His picture is one of his recent results: a Supercharged Joule Thief flashlight.  I quote: Hello and thanks for the fast answer, Now I want an SJT as a nightlight cause there are many so called “depleted” batteries lying around – I built one on breadboard

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