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80W Electronic Ballast
Schematics for an 80W electronic ballast to drive 2 48"" lamps.....
supercapacitor usb light
For those who never heard about supercapacitor, you can check for more info about supercapacitor here. Supercapacitor is basically a capacitor with very high ca...
mains powered white led lamp
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dual bi color led matrix shield
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sunrise word clock circuit design
Ok, I`ve finally found time to make a new post about my Sunrise Word Clock. My previous attempt at making the circuit work on breadboard didn`t go so well. I as...
automatic street light control system
Automatic Street light system is very common nowadays as it provides intelligent street lighting mechanism. It provides light automatically during night. These ...
bass glow
Since I used a ready-made inverter circuit to drive the EL sheet, this diagram is incomplete and also I`d say the battery consumption is much higher than it sho...
build varying brightness ac lamp circuit
Varying Brightness AC Lamp Circuit, an SCR is used to slowly vary the intensity of a 120 volt light bulb by controlling the time that the AC line voltage is app...
automatic low power emergancy light
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 automatically w...
solar powered animal scarer
A solar powered Flasher to scare away the nocturnal animals like bats and cats from the farm yard or premises of the house. The brilliant multicolored flashes c...
12 v ac dimmer
The circuit described here is derived from a conventional design for a simple lamp dimmer, as you can see if you imagine a diac connected between points A and B...
white lights
The white LEDs have different voltage and current requirements so they will need different resistors. So I`ll begin with a parts list: It`s the same idea as bef...
dual LED flasher
A two transistor circuit that flashes two LEDs on and off alternately. This tutorial shows beginners in electronics how to build the easy circuit on breadboard....
automatic light
In this electronic breadboard circuit for beginners in electronics, when the ambient light level drops below a certain level, the LED switches on automatically....
dimmers
ESP Lighting Information Page - Dimmers, electronic transformers, etc. - how they work, what`s wrong with them and how it can be fixed.....
solar tracker LM339 schematic
The LED arrangement in the LM339 circuit below uses two rows of three LEDs with each LED connected in parallel, the two rows are connected in parallel but rever...
mains ac xenon tube flasher circuit
The circuit was taken from one of the old elektor electronics magazine and it is indeed a very cute little circuit which may be used for creating high intensity...
led light flasher
With the preset at its max. the flashing rate of the LED is about 1/2 a second. It can be increased by increasing the value of the capacitor from 10uF to a high...
putting a led instead of an incandescent bulb on my bike
So a few days ago my rear light burned up. It`s not that it`s very important, what`s essential is the front light during a night. Since there`s that reflectiv...