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LED and light circuit diagrams
September 27, 2010
This circuit has been designed to provide a clearly visible light, formed by 13 high efficiency flashing LEDs arranged in a pseudo-rotating order. Due to low voltage, low drain battery operation and small size, the... [more]
circuit from:http://www.extremecircuits.net/2010/01/bicycle-back-safety-light-circuit.html
September 27, 2010
Every self-respecting DIYer makes his own electronic dice with LEDs as spots. Then you don’t have to throw the dice anymore – just push the button. The electronics also ensures that nobody can try to... [more]
circuit from:http://www.extremecircuits.net/2010/04/dicing-with-leds.html
September 27, 2010
Here is the circuit diagram of Two Flashing LED's for different applications (such as model construction), and recreational. Having adjustable flashing speed with two potentiometers. It is the collection of a few active and passive... [more]
circuit from:http://www.extremecircuits.net/2009/12/two-flashing-leds-circuit-schematic.html
September 27, 2010
Here is the circuit diagram of IC Controlled Emergancy Light With Charger or simply 12V to 220V AC inverter circuit. The circuit shown here is that of the IC controlled emergency light. Its main features... [more]
circuit from:http://www.extremecircuits.net/2010/01/ic-controlled-emergency-light-with.html
September 27, 2010
This circuit adopts the rather unusual Bowes/White emitter coupled multivibrator circuit. The oscillation frequency is about 1Hz and is set by C1 value. The LED starts flashing when the photo resistor is scarcely illuminated. The... [more]
circuit from:http://www.extremecircuits.net/2009/07/dark-activated-led-or-lamp-flasher.html
September 27, 2010
This device was designed on request; to control the light intensity of four filament lamps (i.e. a ring illuminator) powered by two AA or AAA batteries, for close-up pictures with a digital camera. Obviously it... [more]
circuit from:http://www.extremecircuits.net/2009/08/brightness-controller-circuit-for-small.html
September 27, 2010
This circuit is intended to let the user turn off a lamp by means of a switch placed far from bed, allowing him enough time to lie down before the lamp really switches off. [more]
circuit from:http://www.extremecircuits.net/2009/06/courtesy-light.html
September 27, 2010
The basic circuit illuminates up to ten LEDs in sequence, following the rhythm of music or speech picked-up by a small microphone. The expanded version can drive up to ten strips, formed by up to... [more]
circuit from:http://www.extremecircuits.net/2010/01/dancing-leds-circuit-diagram.html
September 27, 2010
This circuit is usable as a Night Lamp when a wall mains socket is not available to plug-in an ever running small neon lamp device. In order to ensure minimum battery consumption, one 1.5V cell... [more]
circuit from:http://www.extremecircuits.net/2009/07/battery-powered-night-lamp.html
July 2, 2010
Once power has been applied to the circuit, the Red LEDs should all be flashing on and off together. The Yellow LEDs should be flashing on and off, but only every other Yellow LED should... [more]
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