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 "make a simple 20 watt tube emergency light circuit".
Mini Tesla Coil Light —at sea.ASF
This is the “Mini Tesla Coil Light” in a practical use on a sailboat at sea. I took this little light along on a sailboat trip to Catalina Island and it worked very well….
Bedini Earth Light—-replication.ASF
This is a partial replication of John Bedini’s “Earth Light”. It is an LED light that uses a simple one transistor circuit. The circuit design uses two chokes (inductors) instead of the standard bifilar…
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…
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…
Do It Yourself: Simple TEA Ultraviolet Laser
Make yourself a real laser out of scraps, junk, pennies and clothespins! Inspired by Nyle Steiner’s work at http://www.sparkbangbuzz.com/tealaser/tealaser7.htm Thanks, Nyle! I learned a lot from this project, and it works surprisingly well. WARNING:…
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…
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…
