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  • Light-Controlled Pond Pump(1N4001)

    2014-12-14 03:49:5282

    This article briefly describes the Light-Controlled Pond Pump (1N4001). This principle is easy to understand, but also very practical. Depth understand...

  • Two Temperature Controlled Relays

    2014-12-14 03:21:4998

    Description The first circuit energizes the relay when the temperature rises above the preset level. The second circuit energizes the relay when the te...

  • Call Acknowledged !

    2014-12-14 03:03:4869

    This circuit could be used (depending on your circumstances) by a gentleman to summon his butler, a manager his secretary or as in the authors case to ...

  • Automatic fading lights (BC547)

    2014-12-14 01:19:28100

    Suitable for 230V incandescent bulbs Circuit diagram: Parts: R1_____________470R 1/2W ResistorR2,R3___________10K 1/4W ResistorsR4,R12__________22K 1/4...

  • LED driver IC

    2014-12-14 01:17:15271

    MP3302 MP3302 is a boost converter IC specifically designed for LED drive applications. The MP3302 can drive 27 LEDs (9 strings of 3 white LEDs in seri...

  • Diac controlled LED flasher

    2014-12-14 01:09:51131

    This is probably the simplest idea to generate flashing light from an LED using AC. The circuit is relatively the simple way of flashing one or more LE...

  • Crystal Controlled 38 kHz IR Transmitter

    2014-12-14 00:23:56104

    This is a precision 38 kHz Infrared transmitter using MOS integrated circuit uPD 6121.It uses the NEC transmission format ideally suited for remote ope...

  • Electronic Night Light

    2014-12-14 00:03:0782

    Notes: This circuit was submitted by Adam from Canada who is still at school. I have provided the text. The two transistors are used as a direct couple...

  • Digital LED Voltmeter Using ICL7107

    2014-12-14 00:02:18717

    This circuit is a circuit diagram? digital voltmeterwith LED display. Its ideal to use for measuring the output voltage of your DC power supply. It inc...

  • Automatic Control for LCD Panel Backlight (AD5228)

    2014-12-13 23:43:10127

    This article describes the Automatic Control for LCD Panel Backlight (AD5228). The content is very simple, very helpful. Components in this article can...

  • Voice of Saturn Voltage Controlled Filter - Frac Format comi

    2014-12-13 23:34:4869

    In the next few weeks we'll be releasing the Frac-rack (blacet) format VoS Voltage Controlled Filter model. It is the same as our current filter module...

  • Grand Prix Starting Lights(LM339)

    2014-12-13 23:00:0785

    This article briefly describes the Grand Prix Starting Lights (LM339). This principle is easy to understand, but also very practical. Depth understandi...

  • The Easiest Way on How to Trigger Green Traffic Lights!

    2014-12-13 22:59:0769

    Sometime, its a fun experience riding the motorcycle or a scooter and hovering through the neighborhood or downtown! Youre not only can feel the fresh ...

  • 3-Way Light Switches

    2014-12-13 21:24:5080

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

  • Ring-Around LED Flasher

    2014-12-13 21:10:1691

    This schematic diagram shows a ring-around LED flasher circuit. This circuit will turn off two LEDs and turn on the other two until the timing cycle re...

  • Fluorescent light by 6V power

    2014-12-13 21:03:40263

    With this circuit and component is not so much to give us the light. Portable to get about easily to get to Fluorescent light of power supply be batter...

  • Relay Circuit Detects Light Change (FPT100)

    2014-12-13 20:46:1178

    This article describes the Relay Circuit Detects Light Change (FPT100). The content is very simple, very helpful. Components in this article can help y...

  • Headlight Reminder( BC548)

    2014-12-13 20:20:2483

    This article briefly describes the Headlight Reminder (BC548). Although this circuit is very easy to understand, but also very practical. Circuit eleme...

  • Stroboscope Uses White LEDs(BC649)

    2014-12-13 18:57:5596

    This article briefly describes the Stroboscope Uses White LEDs (BC649). This principle is easy to understand, but also very practical. Depth understand...

  • Courtesy Light electronic circuit diagram

    2014-12-13 18:53:0671

    15 seconds delayed switch-offA good idea for bedroom lamps Parts: R1____________470R 1/2W Resistor R2____________100K 1/4W Resistor R3______________1M5...

  • LED Flasher Using Transistor (2N3904)

    2014-12-13 18:29:05496

    This article describes the LED Flasher Using Transistor (2N3904). The content is very simple, very helpful. Components in this article can help you und...

  • Mains Current Indicator with a LED

    2014-12-13 18:28:0391

    This is a mains 230V AC load current indicator and is a LIVE CIRCUIT, so take care. The Resistors have to be a fusible ceramic wire wound. This circuit...

  • LED Motor Stalled Output Detector Circuit

    2014-12-13 18:15:3868

    The most important detector specification is sensitivity as it defines the minimum concentration of solute that can be detected. It is best defined a f...

  • Lightning detector circuit

    2014-12-13 17:42:30124

    This DIY lightning detector circuit is a very sensitive static electricity detector that can provide an early warning of approaching storms from inter-...

  • CAT4106 constant current white LED driver

    2014-12-13 17:40:5171

    Led driver circuits Using the CAT4106 integrated multi-channel LED driver and high power dc-dc converter manufactured by ON Semiconductor can be design...

  • White LED Light Circuit Driven by LTC3543

    2014-12-13 17:30:5084

    TheLTC3543can deliver up to 600mA continuous output current, using a 2mm 3mmDFN package. LTC3543 2.25MHz constant frequency, spread spectrum or synchro...

  • 1W LED Driver(1N5819)

    2014-12-13 17:10:52200

    This article briefly describes the 1W LED Driver (1N5819). This principle is easy to understand, but also very practical. Depth understanding of circui...

  • Voltage-Controlled Tone/Volume/Balance Circuit

    2014-12-13 16:28:5565

    The LM1036 is a DC controlled tone (bass/treble), volume and balance circuit which can be applied in car radio, TV and audio systems. Loudness compensa...

  • Halogen Light Switch Circuit

    2014-12-13 16:26:51118

    This halogen light switch circuit works only for dc halogen lamps. Halogen lamps give a good light and have a excellent eficiency. In this halogen swit...

  • Luxeon K2 LED Datasheet and The Reflow Soldering Characteris

    2014-12-13 16:26:2384

    This is the graphical type ofthe Philips Luxeon K2 LED the latest Luxeon high-power LED familyReflow Soldering Characteristics. The Luxeon K2 enable yo...

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