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Light/Laser

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LV, LP, CC driver allows two alkaline or NiMH cells to steadily power a Red LED until discharged.
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The driving theme behind the Automatic Street Lighting System is an energy-saving streetlight schem
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I'm probably re-inventing the wheel, but here are a few variations of a mains-powered night-light f
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The circuit is based on National Semiconductors comparator LM311 (IC1) and an LDR. The non invertin
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Dark Detector 2011-06-16
The dark detector circuit shown here can be used to produce an audible alarm when the light inside
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Creating an infrared (IR) communications link can be very useful. Some examples of projects which
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This circuit uses can be used as a night light. It uses a 120v Mains to power the circuit. Works li
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This is the improved version of the LED lamp posted about 1 year ago which ran on half wave rectifi
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Don’t throw your old mouse do a fun project with it. This is the simplest project I have ever mad
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This unique circuit has been tried with all three of my cameras and two others and works perfectly.
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Strobe Light 2010-07-06
Strobe lights are widely used by disco lovers to create wonderful visual effects in disco halls and
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This 800 W light bulb flasher operates directly off the line and needs no transformer. Power for th
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Here is a simple 10 channel light bulb sequencer circuit which you can build up to decorate your ho
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Here is something that I was able to build, it basically takes the pulse from a 555 timer and goes
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This cct uses 4026B ICs to drive 1.5" 7 Segment LED Displays. Even at 5volts these are quite bright
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This is a cool little circuit that i made for a school project. It can be used as one of those thin
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