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220 V flashing light – Circuit Schematic
220 V flashing light
Here a simple design for a flashlight that operates on 220 V. The circuit is constructed with a triac. By R1 and C1 P1 is charged. Charging time is adjustable ...
Easy 1.5 V LED flasher – Circuit Schematic
Easy 1.5 V LED flasher
This simple flash is very compact to build in such a brooch. I have the circuit extracted from a CD cover. The flash uses a 1.5 V supply, this is a penlight or...
Touch Light Dimmer circuit – Circuit Schematic
Touch Light Dimmer circuit
With this circuit we can change the brightness of lamb, with a only key of touch. The key of touch is connected in the circuit, center of which is a special com...
16 LED Chaser – Circuit Schematic
16 LED Chaser
This circuit is a double direction flash. Similar to Digital Ping- Pong 1, there is a movement of a lit dot, up and down along the LED's length. When the D16 li...
10 Led Chaser – Circuit Schematic
10 Led Chaser
This circuit us gives the sense of movement of ball up down, after the LED turn on successively the one afterwards the other. As soon as it reaches in the one o...
LED Dice II – Circuit Schematic
LED Dice II
The particular circuit is substantially a generator of accidental numbers, from 1 until the 6. The clue him we see in a line from led, that each one corresponds...
LED Dice circuit – Circuit Schematic
LED Dice circuit
The IC1 is a 555 timer IC is connected for, Astable operation the clock pulses are fed to the IC2 via the 10K resistor. The IC2 is a 10 stage counter, output 6 ...
Current Dimmer for white 24 LED array – Circuit Schematic
Current Dimmer for white 24 LED array
This simple Linear circuit provides continuously variable regulated current (~25-400mA) from a 4-6 Volt source. I chose a linear design for simplicity, reliabi...
Kodak Flash circuit – Circuit Schematic
Kodak Flash circuit
This flash circuit is a typical camera flash. ...
How to connect LED's directly to MAINS – Circuit Schematic
How to connect LED's directly to MAINS
A LED is defined as "light-emitting diode: diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material us...
disposable camera strobe light – Circuit Schematic
disposable camera strobe light
If you have no idea what is a "strobo", "strobe", "stroboscopy" or whatever way it is called, it is simply a flashing light. It is usually used on police cars, ...
Simple 3-6V LED Flasher – Circuit Schematic
Simple 3-6V LED Flasher
If you are familiar with LED flashers using transistor, you may know the basic one uses two transistor, one capacitor and three resistors. There is other kind o...
USB powered LED – Circuit Schematic
USB powered LED
This is a simple LED circuit that takes power from the USB port. I needed this USB light since long time ago but, finally; I was able to build it. The circuit s...
Music Light Show – Circuit Schematic
Music Light Show
The circuit connects to the speaker outputs of your stereo or to the back of your speaker. The music passes through the transformer and the volume level is adju...
Bike Light Flasher with 555 – Circuit Schematic
Bike Light Flasher with 555
I ride my bike allot at night and sometimes I'm not sure if people can see me. This circuit will flash an incandescent light that you can purchase from Radio Sh...
Strobo Light – Circuit Schematic
Strobo Light
The way that this circuit works is as follows. The AC line voltage is rectified by D1 and D2 which connects to a voltage doubler circuit made up of the two 22uf...
Xenon Flash with LM311 – Circuit Schematic
Xenon Flash with LM311
The reason why I built this unit is becasue I need to trim my transmitters for the best performance, I have noticed that I can't be at the receiver position and...
Xenon light pulser – Circuit Schematic
Xenon light pulser
Flash lamp is made ??with experimental parts removed from a disposable camera flash circuit.Xenon try to use what I think is easily affordable experiment. AC100...
Knight Rider Lights – Circuit Schematic
Knight Rider Lights
The 555 timer IC is connected for Astable Operation, the clock pulses are fed to the 4017 IC via the 10K resistor. The 4017 is a 10 stage counter, each of the o...
Lamp Dimmer / Motor Speed Control – Circuit Schematic
Lamp Dimmer / Motor Speed Control
The diac is a common component used to trigger triacs. The construction of a diac is similar to that with a transistor, but with both junctions doped to similar...