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LED and light circuit diagrams
June 25, 2010
External circuit converts bass beat of music into pulses.The motor is controlled by them. If theres bass beat recognised then the motor rotates one direction(in full stepping) for a predefined time then stops. If the... [more]
June 22, 2010
This circuit adopts the rather unusual Bowes/White emitter coupled multivibrator circuit. [more]
June 22, 2010
This device was designed to control the light intensity of four filament lamps (i.e. a ring illuminator) for close-up pictures with a digital camera, powered by two AA or AAA batteries. [more]
June 22, 2010
This circuit is a simple ultraviolate light that can be powered by a 6 volt battery or power supply that is capable of supplying 1 or more amps. [more]
June 22, 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. [more]
June 22, 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. [more]
June 22, 2010
It lights Ultra-Bright LEDs in a sequence and each LED flashes brightly very briefly. [more]
June 22, 2010
6 Channel Auto Reverse Sequential Disco Running Lights [more]
April 29, 2010
The idea is not new and I hear a similar circuit was developed about 40 years ago using germanium transistors. The idea is to connect the lights so that as one turns off it causes... [more]
April 29, 2010
The circuit below uses a hex Schmitt Trigger inverter (74HC14) and two 8 bit Serial-In/Parallel-Out shift registers (74HCT164 or 74HC164) to sequence 16 LEDs. The circuit can be expanded to greater lengths by cascading additional... [more]
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