Position: Index > Led Circuit >
  • CAT3649 charge pump LED driver

    2014-12-19 16:30:24111

    Led driver circuits A very simple LED driver electronic project can be designed using the CAT3649 high efficiency quad mode R fractional charge pump IC...

  • Driving White LED with LM3354 Switched Capacitor Voltage Reg

    2014-12-19 16:18:3475

    LM3354is a switched capacitor DC/DC converters that can be programmed for an output of 4.1V, which is an ideal voltage on drivingwhite LED applications...

  • How to build Put That Light Out

    2014-12-19 15:47:0873

    Description If you forget to switch off the light after leaving a seldom used room (such as the loft), there’s a strong likelihood that it could rema...

  • Light-Sensitive Alarm Circuit

    2014-12-19 15:28:5597

    Light-sensitive Alarm Circuit introduction,The circuit detects a sudden shadow falling on the light-sensor and sounds the bleeper when this happens.The...

  • When LED will replace the Light Bulbs?

    2014-12-19 14:11:2490

    This is the very important question for this current situation because most of the country is having shortage of resources. So every country is searchi...

  • Leds Or Lamps Sequencer electronic circuit diagram

    2014-12-19 13:59:18100

    Very simple, versatile modular design No limits to the number of modules used in the ring Circuit diagram using LEDs: Circuit diagram using Lamps: Part...

  • Strip LED Lamp(CA3140)

    2014-12-19 12:53:59125

    This article briefly describes the Strip LED Lamp (CA3140). This principle is easy to understand, but also very practical. Depth understanding of circu...

  • Outdoor Light Controller Circuit

    2014-12-19 12:46:5898

    A neon bulb and a CdS photocell enclosed in a light-tight enclosure form an optocoupler. A diac/triac combination is used to provide the snap- switch e...

  • AD8531 IC For LCD Panel Backlight Automatic Control Circuit

    2014-12-19 12:14:4665

    Description: The following circuit shows about AD8531 IC For LCD Panel Backlight Automatic Control Circuit. Features: can compensate for aging effects ...

  • Voltage Controlled Volume

    2014-12-19 11:12:55108

    V oltage Controlled Volume circuit his volume control circuit offers an unusual approach to the well-known problem of distortion in active-device atten...

  • Automatic Solar Garden Lights with LEDs

    2014-12-19 11:00:32288

    Efficient automatic solar garder lights circuit with minimum components the best deal is that is completely auto and the Solar panel acts as a light de...

  • Car lights to warn circuit

    2014-12-19 10:24:0482

    BZLboth piezoelectric transducer ignition and turn the car lights, do not consume current, and keep quiet. Only if the ignition without lights, the dio...

  • Stereo LED Power (VU) Meter(LM3915N-1)

    2014-12-19 10:10:02440

    This article briefly describes the Stereo LED Power (VU) Meter (LM3915N-1). Although this circuit is very easy to understand, but also very practical. ...

  • Cupboard Lights circuit

    2014-12-19 10:02:57174

    This Cupboard lights circuit is an automatic White LED lamp used to illuminate the interior of cupboard to search things. The lamp automatically turns ...

  • Electronic Doorbell Light Schematic

    2014-12-19 09:44:3477

    This 6V battery operated doorbell light circuit can be connected in parallel with any existing AC230V doorbell. When anyone push the doorbell switch, t...

  • Voltage Controlled Oscillator Wailing Siren Circuit

    2014-12-19 09:36:07203

    You can build a wailing siren that plays a tone that increases and decreases in pitch. The circuit is built from two 555 timer ICs and some additional ...

  • Lighting auto controller

    2014-12-19 07:59:0278

    The governor following is intended to regulate the light intensity incandescent 220 V. The components in a relatively few, which means it can easily be...

  • Six LED Stereo VU Display circuit diagram

    2014-12-19 07:47:3379

    The following circuit is six LED stereo VU display diagram which build using Dot/Bar Display Driver ICLM3915. This VU disply should be connected before...

  • AF2310 radio controlled motor circuit design project

    2014-12-19 07:44:17296

    Radio Circuits This circuit is very similar with a car radio controlled toy with seven control functions: forward, forward-left, forward-right, backwar...

  • Precision-voltage-controlled-oscillator

    2014-12-19 07:31:4494

    This circuit uses a CA3130 BiMOS op amp as a multivibrator and CA3160 BiMOS op amp as a comparator. The oscillator has a sensitivity of 1kHz/V, with a ...

  • led light running arrows showing the position

    2014-12-19 07:30:52108

    This is a led light running circuit with a number generated from IC CD4093, CD4520 and CD4094.This circuit can adjust the speed with resistors R1.When ...

  • Dancing LEDs Circuit (LM358 )

    2014-12-19 06:58:30612

    This article briefly describes the Dancing LEDs Circuit (LM358). This principle is easy to understand, but also very practical. Depth understanding of ...

  • 9 Second LED Relay Timer(2N3053)

    2014-12-19 06:55:36114

    This article describes the 9 Second LED Relay Timer (2N3053). The content is very simple, very practical. The components of the article can help you un...

  • USB chargeable flashlight & circuit tester with char

    2014-12-19 06:55:07221

    This is another supercap (super capacitor) application. I like supercaps. Although it can hold much smaller charge than rechargeable batteries and a li...

  • Twilight switch circuit

    2014-12-19 06:38:38157

    As dusk begins to -fall, the sensor (a cadmium-sulfide light-dependent resistor or LDR) operates a small horn to provide an audible reminder that it's ...

  • How to build Line Powered White LEDs

    2014-12-19 06:23:1285

    Description The LED circuit below is an example of using 25 white LEDs in series connected to the 120VAC line. It can be modified for more or less LEDs...

  • How to build Two Transistor LED Flasher

    2014-12-19 05:51:1693

    Circuit diagram Reprinted Url Of This Article: http://www.circuit-finder.com/categories/led-and-light/light-flasher/560/two-transistor-led-flasher Decl...

  • Strobo Disco Light Using Standard Tube Lamp (TL)

    2014-12-19 04:23:36112

    Using a standard fluorescent tube lamp (TL), you can make your own disco light, similar to a stroboscope light. You can even use a half-broken lamp, wh...

  • Light-Beam Alarm For Intrusion Detection Circuit

    2014-12-19 02:35:3176

    When the light beam that falls in the CDS photocell is interrupted, transistor (EN3904) conducts thereby triggering SCR1 (CI06) and activating alarm be...

  • Light Dimmer

    2014-12-19 02:11:4888

    Lamp II is a household lamp. When the switch is in the center position, the lamp is operated on half-wave rectified ac; the ef fective voltage the lamp...

Maybe you like