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Nite Rider Lights circuit – Circuit Schematic
Nite Rider Lights circuit
As a keen cyclist I am always looking for ways to be seen at night. I wanted something that was a novelty and would catch the motorists eye. So looking around a...
LED Chaser circuit – Circuit Schematic
LED Chaser circuit
This schematic is version of a simple LED chaser. There is no 555 timer used because at my local electronics store they are over $4 Cdn. Instead, an oscillator ...
Knightrider lights for model cars circuit – Circuit Schematic
Knightrider lights for model cars circuit
This simple circuit drives 6 LEDs in `Knightrider scanner mode`. Power consumption depends mainly on the type of LEDs used if you use a 7555 (555 CMOS version)....
Sunrise Lamp circuit – Circuit Schematic
Sunrise Lamp circuit
In this circuit, a 120VAC lamp is slowly illuminated over a approximate 20 minute period. The bridge rectifier supplies 120 DC to the MOSFET and 60 watt lamp. A...
Ultra Bright LED Lamp circuit – Circuit Schematic
Ultra Bright LED Lamp circuit
This ultra-bright white LED lamp works on 230V AC with minimal power consumption. It can be used to illuminate VU meters, SWR meters, etc. Ultra-bright LEDs ava...
Solar Lamp Using PR4403 circuit – Circuit Schematic
Solar Lamp Using PR4403 circuit
The PR4403 is an enhanced cousin of the PR4402 40mA LED driver. It has an extra input called LS which can be taken low to turn the LED on. This makes it very ea...
Multicolor HD LED circuit – Circuit Schematic
Multicolor HD LED circuit
Most PC enclosures provide only a single LED to indicate hard disk access, with the LED being connected to the motherboard via a two-pin connector. However, thi...
Mains Operated LED Circuit – Circuit Schematic
Mains Operated LED Circuit
Here is a simple and powerful LED circuit that can be operated directly from the AC 100 volt to AC 230 Volts mains supply. The circuit can be used as mains powe...
Battery Powered Night Lamp circuit – Circuit Schematic
Battery Powered Night Lamp circuit
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 b...
Automatic Low-Power Emergancy Light circuit – Circuit Schematic
Automatic Low-Power Emergancy Light circuit
Here is a white-LED-based emergency light that offers the following advantages. 1-It is highly bright due to the use of white LEDs. 2-The light turns on automat...
LED Torch circuit – Circuit Schematic
LED Torch circuit
A common problem with small torches is the short life-span both of the batteries and the bulb. The average incandescent torch, for instance, consumes around 2 W...
Game Show Indicator Lights (Whos First) circuit – Circuit Schematic
Game Show Indicator Lights (Whos First) circuit
The circuit turns on a light corresponding to the first of several buttons pressed in a "Who`s First" game. Three stages are shown but the circuit can be extend...
LED Bike Light Circuit – Circuit Schematic
LED Bike Light Circuit
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Car-Bulb Flasher circuit – Circuit Schematic
Car-Bulb Flasher circuit
This astonishingly simple circuit allows one or two powerful 12V 21W car bulbs to be driven in flashing mode by means of a power MosFet. Devices of this kind ar...
Automobile Interior Lights Fader circuit – Circuit Schematic
Automobile Interior Lights Fader circuit
The circuit is based around the LM324 low power opamp which draws around 3mA of current, so it won`t bother the battery if left connected for extended periods.....
Searchlight – Circuit Schematic
Searchlight
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Nite Rider Lights – Circuit Schematic
Nite Rider Lights
Interesting light for your bicycle. Made of LEDs. Very nice! Low power consumption, circuit diagram, electronics project, 9V, NE555.....
28 LED Clock Timer – Circuit Schematic
28 LED Clock Timer
can be arranged in a circle to represent the 12 hours of a clock face and an additional 12 LEDs can be arranged in an outer circle to indicate 5 minute interval...
Knightrider lights for model cars – Circuit Schematic
Knightrider lights for model cars
This simple circuit drives 6 LEDs in `Knightrider scanner mode`. Power consumption depends mainly on the type of LEDs used if you use a 7555 (555 CMOS version)....
Dome Lamp Dimmer – Circuit Schematic
Dome Lamp Dimmer
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