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  • Auto-dimming lamp circuit diagram

    2016-08-09 03:01:0063

    The circuit is shown as the chart. AC voltage is rectified by the bridge pile, of which one way is stabilized by stabilovolt tube VD through R1 to prov...

  • OPAMP_DRIVE_FOR_LED_TUNING_LAMPS_

    2016-08-09 01:30:5561

    Opamp with l00k feedback resistor gives gain of 10 as optimum compromise for driving two LED tuning indicators in FM receiver,-R. D.Post, F.M Tuning ...

  • instrument-panel lamp dimmer

    2016-08-09 00:56:5760

    Drivers may feel very harsh at the moment the instrument-panel lamp is open at night.This example describes the instrument-panel lamp dimmer,which can ...

  • Fluorescent Lamp Electronic Ballast (5)

    2016-08-09 00:38:2977

    When the power is on, the 220v ac voltage will provide the high frequency oscillate circuit with 300v direct current working voltage afterit is rectifi...

  • 120 VAC Lamp Dimmer

    2016-08-09 00:05:2460

    The full wave phase control circuit below was found in a RCA power circuits book from 1969. The load is placed in series with the AC line and the four ...

  • NEON_LAMP_OSCILLATOR

    2016-08-09 00:00:1161

    The neon lamp has negative dynamic resistance-the voltage across it falls while conduction is increasing. As a result, it flashes on and off.The freque...

  • A lamp flasher circuit (2N2222)

    2016-08-08 23:20:33124

    This article describes the A lamp flasher circuit (2N2222). The content is very simple, very helpful. Components in this article can help you understan...

  • 12VDC FLUORESCENT LAMP DRIVER SCHEMATIC DIAGRAM

    2016-08-08 22:56:2370

    12VDC FLUORESCENT LAMP DRIVER SCHEMATIC DIAGRAM Whenever there is a need for battery-powered lighting, like for camping, solar powered cottages, cars, ...

  • 12 Volt Lamp Dimmer - REGULATOR

    2016-08-08 22:25:1261

    Circuit diagram Here is a 12 volt / 2 amp lamp dimmer that can be used to dim a standard 25 watt automobile brake or backup bulb by controlling the dut...

  • ACTIVE_CLAMP_LIMITING_AMPLIFIER

    2016-08-08 21:52:2960

    The modified inverting amplifier uses an active clamp to limit the output swing with precision.Allowance must be made for the VBEof the transistors. Th...

  • Advertisement lamp automatic control circuit (555、CD4060)

    2016-08-08 21:28:5063

    Most advertising lights have good publicity function only before 12 o 'clock at night, after midnight, pedestrian isscarce,then itloses theadvertising ...

  • The ceiling lamp control switch circuit (5)

    2016-08-08 21:19:2460

    This circuit consists of the power supply circuit, the trigger control circuit A and the trigger control circuit B, see as the figure. If K1 or K2 can'...

  • Two-wire Lamp Flasher Circuit

    2016-08-08 19:38:5962

    Two-wire Lamp Flasher Circuit Ideal to operate 3 to 24V DC existing on-circuit lamps LED operation is also possible Circuit diagram Parts: R1 6K8 1/4W ...

  • Touching delay lamp switch circuit(7)

    2016-08-08 19:04:2162

    The circuit shown in the chart is the delay lamp which uses the principle of self-oscillation to improve trigger sensitivity. The circuit is composed o...

  • LEDs or Lamps Sequencer

    2016-08-08 16:41:2262

    Parts:R1 1K5 1/4W ResistorR2 680R 1/4W Resistor (Optional, see text)C1 47F 25V Electrolytic CapacitorD1 LED any typeQ1 BC337 45V 800mA NPN TransistorP1...

  • Fluorescent Lamp Electronic Ballast (3)

    2016-08-08 16:35:5867

    When the power is on, the 220v voltage will provide the oscillate circuit with 300v working voltage after filtration and rectification. It will charge ...

  • 220 VOLT DISCO LAMP CIRCUIT SCHEMATIC DIAGRAM

    2016-08-08 16:24:4664

    220 VOLT DISCO LAMP CIRCUIT SCHEMATIC DIAGRAM You can use either moving coil microphone or condenser microphone for this circuit. Make sure the electro...

  • The car brake lamp fault monitor (4)

    2016-08-08 15:16:4961

    Here is to introduce a car brake lamp fault monitor circuit which is made of the CD4011 digital integrated circuit(4 NAND). The working principle of th...

  • Limit_comparator_with_lamp_driver

    2016-08-08 15:14:4760

    Fig. 15-14 This circuit provides a range of input voltages between which the outputs of both LM139 comparators will be off, allowing Q1 base current to...

  • Backyard Lamp Circuit

    2016-08-08 15:12:5264

    This circuit lights the backyard of your home at 10 pm and stays on till morning. It helps to provide light in the back yard to avoid nocturnal animals...

  • dimming table lamp circuit

    2016-08-08 14:55:1662

    This table lamp can adjust the brightness, and the brightness will not change even if the grid voltage volatility surface changes.Photosensitive resist...

  • headlamp delay shutoff device

    2016-08-08 14:10:2861

    This example describes the headlamp delay shutoff device, and the headlamps can continue lighting a period of time before they close automatically when...

  • Table Lamp Circuit by IC 555

    2016-08-08 13:30:2861

    If you want Power Lamp Flasher at give electric tall power. As a result try out Table Lamp Circuit the this. It uses the integrated circuit NE555 be pi...

  • How to build Portable Lamp Flasher

    2016-08-08 13:25:0760

    Description Here is a portable, high-power incandescent electric lamp flasher. It is basically a dual flasher (alternating blinker) that can handle two...

  • Lamp flasher using LM317

    2016-08-08 13:15:4365

    Description. Here is a very useful lamp flasher circuit using the famous adjustable voltage regulator IC LM317T. LM317 can source up to 1A of current a...

  • Touch type delay lamp circuit using music IC(CIC8251)

    2016-08-08 12:49:3361

    As the diagram shows it is a touch type delay lamp circuit using music IC(CIC8251). It makes use of a music integrated circuit memory function to reali...

  • Electronic pests killing lamp circuit diagram 4

    2016-08-08 11:59:5162

    The electronic pests killing lamp circuit consists of the oscillator, control circuit, high voltage generator, LED indicating circuit and power supply ...

  • Automatical Lighting Lamp Circuit Composed Of Photoresistor

    2016-08-08 11:48:0364

    The Automatical Lighting Lamp Circuit Composed Of Photoresistor is widely used in hospital, students apartments corridor and puclic places. It would no...

  • How to build Automatic 12 Volt Lamp Fader

    2016-08-08 11:29:4067

    Description This circuit is similar to the Fading Red Eyes circuit (in the LED section) used to fade a pair of red LEDs. In this version, the lamps are...

  • LED lamp circuit from scrap

    2016-08-08 11:21:4985

    Power saving LED lamp from your scrap box. This circuit is designed by Mr Seetharaman Subramanian and we are very glad to publish it here. In this arti...

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