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  • 6V Ultra-Bright LED Chaser

    2014-12-21 19:30:59160

    General This is a spectacular but completely useless project. It lights Ultra-Bright LEDs in a sequence and each LED flashes brightly very briefly. The...

  • Blinking LED Emulates Incandescent Bulb (74HC14)

    2014-12-21 18:57:55547

    This article describes the Blinking LED Emulates Incandescent Bulb (74HC14). The content is very simple, very helpful. Components in this article can h...

  • 3 and 4-Way Light Switches

    2014-12-21 18:57:1882

    Java-Runtime is required for Circuit Simulation. Download Java for Windows Download Java for Linux Download Java for Other OS Start Simulation Circuit ...

  • Touch Activated Light electronic circuit diagram

    2014-12-21 18:50:1680

    The circuits below light a 20 watt lamp when the contacts are touched and the skin resistance is about 2 Megs or less. The circuit on the left uses a p...

  • Light-Controlled Pond Pump

    2014-12-21 18:22:2874

    This circuit was constructed to control the pump in a garden pond, so that it automatically turns on at dawn and off again at dusk. Not only does this ...

  • Ringing Phone Light Flasher (BC107)

    2014-12-21 18:07:1694

    This article describes the Ringing Phone Light Flasher (BC107). The principle is very simple, very practical. The circuit components can help you under...

  • Shenyang JinBei SY6474,SY6475A, SY6475 light bus width lamp,

    2014-12-21 17:05:4283

    JinBei SY6474, SY6475 series of light buses are 4*2 rear wheel drive light bus, andthey have 10 seats(including driver).The highest speed is 110-115km/...

  • Christmas Light Driver

    2014-12-21 16:42:28103

    This circuit will enable a CMOS logic chip, such as a 4017 decode driver, to control a string of Christmas lights or other lighting. The triac should b...

  • Drive LED or Opto-isolators with AVR

    2014-12-21 16:23:3190

    This might be seem very simple to many of you, but I still get questions about simple microcontroller interfacing. So I will put a thread of notes abou...

  • Led driver using LM3492 IC

    2014-12-21 15:22:33101

    Led driver circuits Using the LM3492 integrates a boost converter and a two-channel current regulator integrated circuit you can design a very simple h...

  • LED lamps that dance with the music

    2014-12-21 15:01:1295

    For the geeky party people who likes to do the groove while on the run this project is for you guys. This project doesnt actually have a microcontrolle...

  • Light Siren Circuit

    2014-12-21 14:36:4990

    Here is light siren or siren ray. this circuit based of ic555 timer. This circuit can be used as an anti-burglar alarm in certain rooms, such as cupboa...

  • Voltage Controlled Variable Gain Amplifier

    2014-12-21 14:34:3071

    This is a circuit of voltage controlled variable gain amplifier. This circuit uses 2N4391 that will provide a low Rds(on) less than 30 Ohm. This circui...

  • 555 IC LED Flasher for Up To 10 LEDs

    2014-12-21 14:11:0392

    This LED flasher circuit uses 555 IC, and is capable of driving up to 10 LEDs. The good news is, the use of multiple LEDs in series doesnt increase the...

  • Courtesy-light-extender

    2014-12-21 13:07:3873

    The circuit 30 seconds after you close the door remains courtesy lights. The door switch 555 is connected to the conductors of the circuit. 555 are arr...

  • Led display for battery low volt

    2014-12-21 13:00:55101

    This circuit uses just integrated number circuit LM3909 and capacitors outside. It work by use NiCad battery 1.25V sizes. or The dry cell is small-size...

  • 28 Led Clock Timer electronic circuit diagram

    2014-12-21 12:22:1481

    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 th...

  • How to build Headlights Timer

    2014-12-21 11:14:5071

    Pushbutton activated Very simple circuitry Circuit diagram Parts: R1 4K7 1/4W ResistorR2,R3 1K 1/4W ResistorsC1 100μF 25V Electrolytic Capacitor (See ...

  • A blinking LED Phone in use indicator circuit

    2014-12-21 11:00:0273

    With this circuit mounted in or near every phone in the house, it will allow users to know if the phone is being used and not to pick up the phone. Whe...

  • Ring-Around LED Flasher (CD4001)

    2014-12-21 10:21:04475

    This article describes the Ring-Around LED Flasher (CD4001). The content is very simple, very helpful. Components in this article can help you understa...

  • Night light saver (PIC12C508)

    2014-12-21 10:04:11140

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  • This UV Exposure Light Box Will Make You Like a Secret Agent

    2014-12-21 09:53:2668

    Well, have you ever heard of this UV exposure light box before? For those of you here that don't know what the heck of this stuff, you should spare a f...

  • Spice up Your Home Party with Discrete LED Color Organ

    2014-12-21 09:48:0680

    Are you looking for the more efficient ways to create a smaller, excellent portability and longer batteries life discrete LED color organ? Then, you ha...

  • Weller WLC 100 temperature controlled soldering station

    2014-12-21 09:14:05102

    Weller WLC 100 Soldering Station. The Weller WLC 100 soldering station is designed with electronics hobbyists in mind. The package includes a light wei...

  • Two-Led Pilot Light

    2014-12-21 09:06:1188

    220vAC mains operated, Very simple circuitry This circuit is designed on request and can be useful to those whishing to have, say, a red LED illuminate...

  • DC-Coupled Audio Amplifier

    2014-12-21 09:00:1782

    Designs for audio amplifiers with DC coupling to the load are not often encountered these days, even though they offer definite advantages. One advanta...

  • Temperature-controlled Fan electronic circuit diagram

    2014-12-21 08:33:4178

    Parts: P1_____________22K Linear Potentiometer (See Notes) R1_____________15K @ 20°C n.t.c. Thermistor (See Notes) R2____________100K 1/4W Resistor R3...

  • Luxury Car Interior Light Dimmer(TLC272CP)

    2014-12-21 07:24:27269

    This article briefly describes the Luxury Car Interior Light Dimmer (TLC272CP). This principle is easy to understand, but also very practical. Depth un...

  • Courtesy Light Extender

    2014-12-21 07:17:5969

    In essence, this circuit is a 15 to 20-second courtesy light extender for cars. It is activated in the usual way by opening a door but it also samples ...

  • Slave Flash Light Control Using Only Three Components

    2014-12-21 07:02:15106

    You can use this circuit to give auto trigger for your secondary flash light. You dont have to worry about wiring for the control, because using this c...

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