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Dancing LEDs – Circuit Schematic
Dancing LEDs
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 driv...
Courtesy Lights – Circuit Schematic
Courtesy Lights
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 s...
Bicycle back Safety Lights – Circuit Schematic
Bicycle back Safety Lights
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 vo...
220 Volts Flashing Lamps – Circuit Schematic
220 Volts Flashing Lamps
This circuit is intended as a reliable replacement to thermally-activated switches used for Christmas tree lamp-flashing. The device formed by Q1, Q2 and relate...
Dome Lamp Dimmers – Circuit Schematic
Dome Lamp Dimmers
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6V Ultra-Bright LED Chasers – Circuit Schematic
6V Ultra-Bright LED Chasers
This is a spectacular but completely useless project. It lights Ultra-Bright LEDs in a sequence and each LED flashes brightly very briefly. The LEDs light-up go...
The flashing Hearts – Circuit Schematic
The flashing Hearts
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Light Dimmer – Circuit Schematic
Light Dimmer
The concept behind the light dimmer is to control the voltage to the light lamp or any source. Light dimmers regulate the voltage to the source they are connect...
Dimmer Switch – Circuit Schematic
Dimmer Switch
Dimmer Switch - Dimmer Switch Working, Installation, Circuits and Explanation.....
Knight Rider lights for model cars – Circuit Schematic
Knight Rider lights for model cars
This simple circuit drives 6 LEDs in `Knight Rider scanner mode`. Power consumption depends mainly on the type of LEDs used if you use a 7555 (555 CMOS version)...
Glow Transfer Counting Tubes – Circuit Schematic
Glow Transfer Counting Tubes
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Tny279pn Passive Pfc Led Lighting Supply – Circuit Schematic
Tny279pn Passive Pfc Led Lighting Supply
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Sp6648 Flashlight Application – Circuit Schematic
Sp6648 Flashlight Application
The Infrared (IR) LED used in a remote control is an application for an LED Driver that has specific requirements that may exceed the requirements for a typical...
Simplified Three Level Dimming Cfl Fluorescent Ballast Using The Irs2530d – Circuit Schematic
Simplified Three Level Dimming Cfl Fluorescent Ballast Using The Irs2530d
Producing and manipulating the sine wave function is a com- mon problem encountered by circuit designers. Sine wave circuits pose a significant design challenge...
Powering Flash Leds With A Supercap – Circuit Schematic
Powering Flash Leds With A Supercap
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Lx1995 Led Driver: Camera Flash Application – Circuit Schematic
Lx1995 Led Driver: Camera Flash Application
The M-88L70 is a full DTMF Receiver that integrates both bandsplit Filter and decoder functions into a single 18-pin DIP or SOIC package. Manufactured using CMO...
Low Cost Dimmable Led Ballast Using The Valley Fill Current Shaping Circuit – Circuit Schematic
Low Cost Dimmable Led Ballast Using The Valley Fill Current Shaping Circuit
BFP640 used for 1575 MHz Global Positioning Satellite (GPS) Applications BFP640 is investigated for use as an LNA for 1575 MHz GPs Design Goals: Gain = 16 dB mi...
Lnk606pg High Eficiency 7.6 V 700 Ma Isolated Led Driver – Circuit Schematic
Lnk606pg High Eficiency 7.6 V 700 Ma Isolated Led Driver
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Lm3485 Led Demo Board – Circuit Schematic
Lm3485 Led Demo Board
The LM4550 is an Audio CODEC for PC systems which is fully PC99 compliant and performs the Analog intensive functions of the AC97 Rev2. 1 architecture. Using 18...
Lm3445 Off-line Triac Dimmer Led Driver Demo Board – Circuit Schematic
Lm3445 Off-line Triac Dimmer Led Driver Demo Board
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