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Homebrew Perpetual LED Nightlight – Circuit Schematic
Homebrew Perpetual LED Nightlight
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Color Mirror Screw Project – Circuit Schematic
Color Mirror Screw Project
This would require a 1200 rpm synchronous motor and a light source, which would be made of a row of LEDs, arranged vertically, and located about 6 inches from t...
LX6512 High Performance Ccfl Controller – Circuit Schematic
LX6512 High Performance Ccfl Controller
Microsemi?s LX6512 is a cost effective, Direct Drive CCFL (Cold Cathode Fluorescent Lamp) controller. The integrated controller is optimized to drive CCFL?s (Co...
AS3636 Xenon Driver Ic With Led Driver And Life Time Counter – Circuit Schematic
AS3636 Xenon Driver Ic With Led Driver And Life Time Counter
The AS3636 is a highly integrated Photoflash charger including IGBT driver, inductive DCDC boost autofocus/ video LED driver, an indicator LED driver and it inc...
NIXIE I NIXIE clock using six ZM1030 tubes – Circuit Schematic
NIXIE I NIXIE clock using six ZM1030 tubes
We mounted one of them on a wooden sigar box and connected the anode via a large series resistance to the live wire of the 220V mains! Just by touching one of t...
A Mixed-Signal LED Clock – Circuit Schematic
A Mixed-Signal LED Clock
The term "mixed-signal" is usually reserved for circuits and ICs that process both analog and digital signals. In that sense the title "A mixed-signal LED clock...
Tube in a Tube Clock – Circuit Schematic
Tube in a Tube Clock
The clock described on this page is the result of both events, a simple single digit nixie clock with some interesting features, but without any difficult compo...
Very Cool Optical Slave Unit – Circuit Schematic
Very Cool Optical Slave Unit
Fires the slave flash exactly when the main flash occurs. Some flash settings on digital SLR`s are not compatible. Long battery life, 300 hours of use or more. ...
touch activated led valentine circuit – Circuit Schematic
touch activated led valentine circuit
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Make a USB color changing light – Circuit Schematic
Make a USB color changing light
This color changer mixes light from high-power LEDs to create more than 16 million colors. A smooth auto-fader cycles the colors, or you can hook it up to a USB...
Blinker Indicator – Circuit Schematic
Blinker Indicator
When the lamp goes out, a new reset pulse is issued to the relevant counter by NAND gate IC1. A or IC1. B respectively, and the counter counts all the way up ag...
Xenon Strobe Light Circuit with IC555 – Circuit Schematic
Xenon Strobe Light Circuit with IC555
The circuit used to come in kit form with a surplus supplier, but it is probably more available. It shows some new concepts such as using a 555 as a pulse width...
Fairy Flashing LED Lights – Circuit Schematic
Fairy Flashing LED Lights
This simple and cheap circuit is not just for Christmas! There are just two resistors, a small-signal transistor such as a BC547, one flashing` LED and a string...
CCFL Tester for LCD Screens – Circuit Schematic
CCFL Tester for LCD Screens
CCFL tube is powered by a small electronic inverter (CCFL inverter) circuit that glows the screen electronically. The inverter circuit accepts a low-level DC in...
Automatic Dual Output Display – Circuit Schematic
Automatic Dual Output Display
This circuit lights up ten bulbs sequentially, first in one direc- tion and then in the opposite direction, thus presenting a nice visual effect. In this circui...
28 LED Clock Timers – Circuit Schematic
28 LED Clock Timers
This is a programmable clock timer circuit that uses individual LEDs to indicate hours and minutes. 12 LEDs can be arranged in a circle to represent the 12 hour...
6 Channel Auto Reverse Sequential Disco Running Lightss – Circuit Schematic
6 Channel Auto Reverse Sequential Disco Running Lightss
From 230 V AC a DC supply of + 5 V is obtained. The power supply is given to the other blocks. The pulse generator at a particular frequency generates the clock...
Knightrider lights for model carss – Circuit Schematic
Knightrider lights for model carss
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)....
LED Chasers – Circuit Schematic
LED Chasers
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LEDs or Lamps Sequencers – Circuit Schematic
LEDs or Lamps Sequencers
The purpose of this circuit was to create a ring in which LEDs or Lamps illuminate sequentially. Its main feature is a high versatility: you can build a loop co...