24/7 ambient light osc + Rock Tester
A couple of ideas based on the no battery rock testing oscillator of the last video. First is shown a 24/7 ‘Forever Light’. It’s a similar idea to devices that Lidmotor has recently shown,…
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For the term "12v rechargeable emergency light circuit diagrams".
Tiny Slayer Exciter mounted on a circuit board.ASF
This is a tiny Slayer Exciter mounted on a circuit board. I show it here lighting up a 4 watt fluorescent tube as well as a neon bulb and three LEDs. The circuit is…
1.2V simple ‘555 A-Like’ circuit
Low voltage, low current possible solution for those without 555 timers in the spares box. The basic circuit is much like a Joule Thief, similar toroids, windings and transistor can be used. The Collector…
Knight Rider lights circuit – in a Hot Wheels
A project i’ve wanted to try for a long time..could a working circuit for the lights from the Knight Rider KITT fit in a HotWheels car ? Yeah, kinda, at least in the slightly…
Electric OU: Grey Box Q-17 Circuit Heat Output vs DC Input Run 1
This is the first experimental run of the test series, more or less a shakedown run. I am testing the Lost Grey Box circuit published by Rosemary Ainslie in a set of photos last…
Minnie Low-Voltage Cutoff Circuit Test
Developing and testing the Minnie LiPo Low Voltage Cutoff circuit. Schematic at the end 5:14. NOTE: The S Weir mods make the circuit work better. Use a 2n7000 mini-mosfet instead of the BC337 and…
Running a pulse motor on infrared light.ASF
This shows my little light powered self-start pulse motor running on an infrared LED light source. The camera that I am using is able to show the light even though my eyes cannot detect…
Joule Thief Pirate Light
This is a simple light fixture made using a modified Fuji circuit Joule Thief and a disposable plastic food container. It lights up an 18″ tube pretty well and this is very easy to…
Joule Thief LED Flashlight (Free Light)
This is a Joule Thief Flashlight. I simply modified a cheap 5 super bright LED flashlight that ran on 3 AA batteries by gutting it and using a simple Joule thief circuit which now…
The "Cool Joule" LED circuit
This is a variant of TinMan’s “Cool Joule” circuit. It is an LED light circuit that charges at the same time that the light is being powered. The circuit is simlar to a “Joule…