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Sam Watson
1
Three-way Switch or How To Turn a Light On or Off From Either End of A Long Hallway Regardless Of The Position Of The Other Switch.
6667
24 Dec 2014
2
A simple step-up transformer.
3906
18 Nov 2014
3
Quick but unregulated split power supply.
3418
22 Oct 2014
4
Differentiator circuit
3406
22 Oct 2014
5
6 Volt Lamp Flasher
4601
22 Oct 2014
6
Lamp-flashing circuit.
11000
21 Oct 2014
7
Using 'bucking' batteries: The voltage of the smaller battery is subtracted from the larger battery and the positive end of the smaller battery becomes the negative end of the two. This really works.
4638
21 Oct 2014
8
Square wave generator.
9694
24 Aug 2014
9
If circuit is built without resistor and fingertip bridges the gap the lamp will light. Water will also turn the circuit on, so it could be used to monitor any place that should stay dry. The lamp could be replaced by a sonalert for an audible alarm.
10631
14 Aug 2014
10
Full Wave Bridge prevents polarity mistake.
6144
27 Jul 2014
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87617
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