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  • Low cost Pilot Lamp

    2016-08-13 11:06:0061

    This is the simple way to connect an LED in the Mains to use it as a pilot lamp. It takes little current compared to a neon lamp. It can power low effi...

  • The circuit diagram of emergency lamp circuit board

    2016-08-13 10:34:5163

    When we make it,X1selects secondary power transformer 6V/200mA for use. J1 and J2 use the relay of 6V coil voltage.Othe device selection you can refer ...

  • Instrument panel lamp dimmer control

    2016-08-13 09:22:5762

    This circuit uses an MC3392 low side protected switch and an MC1455 timing circuit to form an automotive instrumentation panel lamp dimmer control. The...

  • High pressure sodium lamp electronic ballast circuit diagram

    2016-08-13 08:45:5962

    The circuit uses UC3854B as the control chip to establish an active power factor correction circuit with fixed frequency average current-mode, and the ...

  • 12 V Florescent lamp driver circuit

    2016-08-13 08:13:4965

    Description. Here is a simple and effective circuit for driving florescent lamps from a 12 V supply.The circuit is nothing but consists of an oscillato...

  • Five flash lamp string circuit (3)(Y977A)

    2016-08-13 08:11:0860

    As thecircuit shown in the figure , VTH1 ~ VTH5can useMAC94A4 type small plastic bidirectional thyristor. The maximum drive currentis 1A....

  • Electronic Pest Killing Lamp (6)

    2016-08-13 08:04:3565

    When the power is on, alternating current 220V voltage will illuminate EL after the voltage is reduced by C1. The other circuit will provide VT's posit...

  • Lamp

    2016-08-13 07:39:3760

    Why a lamp tester or fuse tester? Testin cables, wires, lamps belongs to a repair job and sometimes this becomes too cumbersome since one has only two ...

  • eyes care lamp(3)

    2016-08-13 07:29:5662

    This example describes the eyes care lamp,which can dim the light level based on the intensity of indoor light level automatically. And it can protect ...

  • PULSE_FORMING_MODULATOR_FOR_LASERFLASH_LAMP

    2016-08-13 07:20:3060

    Saturating-core trigger transformer T1 responds to short high-voltage spike on leading edge of main pulse, generated by discharge of C2 through ceramic...

  • LAMP_TYPE_INDICATOR

    2016-08-13 06:34:5560

    Used as indicator in digital logic circuits. Common-emitter amplifier drives type 344 lamp rated 18 ma at 12V. Can also be used to drive electromechani...

  • Flip-Flop Independent Lamp Driver

    2016-08-13 06:00:5864

    Assume first that SCR1 is on and SCR2 is off so that CI is fully charged, with its LMP2 end positive. The state of the circuit can be changed by pressi...

  • Telephone Lamp Circuit

    2016-08-13 04:53:0762

    Here is a White LED Lamp that turns on when the telephone rings. The cool white light helps to locate the phone in darkness and also helps to note the ...

  • The indicator and alarm lamp connection circuit of Santana 2

    2016-08-13 04:14:3761

    The indicator and alarm lamp connection circuit of Santana 2000 (gasoline injection engine)The indicator and alarm lamp connection circuit of Santana 2...

  • 1_A_LAMP_FLASHER

    2016-08-13 03:50:2260

    National LM195 power transistor is turned on and off once per second for flashing 12-V lamp. Current limiting in LM195 prevents high peak currents duri...

  • Economical Desk Lamp For Camping

    2016-08-13 02:47:4061

    This LED lamp was originally designed for use on a budget solar-charged 12V electrical system. It is bright enough for comfortable reading at night and...

  • Electronic pests killing lamp circuit diagram 7

    2016-08-13 02:30:5962

    The electronic pests killing lamp circuit is composed of the power switch S, trapping lamp HL, diode VD, thyristor VT, resistors R1, R2, capacitor C, p...

  • Touch Dimmer for Lamps

    2016-08-13 02:06:1063

    Touch Control Lamp Dimmer Description This is a simpletouch dimmer circuitmade ofIC TT6061. TT 6061 is specifically designed for this purpose.By touchi...

  • The gas limiting alarm miner lamp circuit diagram 1

    2016-08-13 00:56:5560

    The gas limiting alarm miner's lamp circuit is composed of the detection amplifier circuit, and the circuit is shown as the chart. RP uses synthetic ca...

  • The circuit using three switches to control a lamp

    2016-08-13 00:35:4961

    In some conditions, we need to control a lamp in three places, and at this time two single-pole double-throw switches and a double-pole-double-throw sw...

  • 25_W_logic_indicator_lamp_driver

    2016-08-13 00:18:0861

    This circuit makes it possible to directly couple (without buffers) TTL and DTL inputs with either indicator or alarm devices. The optoelectronic coupl...

  • Simple light-operated street lamp circuit diagram(3)

    2016-08-13 00:11:1861

    VDP is the photodiode and it has low resistance in the day, and resistance ≤ 1kΩ, then transistor VT2 is turned off, then thyristor VT1 is in the of...

  • The alarm flashing lamp circuit

    2016-08-12 23:07:5960

    The circuit includes the AC voltage generator, transformer or transistor AC voltage converter, the power that the flash needs can be adjusted by the po...

  • Indicator-lamp-driver

    2016-08-12 22:52:4563

    A simple solid-state relay circuit drives the 10-Vac telephone indicator lamps from logic circuitry, while maintaining complete isolation between the 1...

  • Touching delay lamp switch circuit(5)

    2016-08-12 22:33:1160

    The chart shows the touching delay lamp switch circuit with only two outside Lead which can directly replace an ordinary switch to be connected to ligh...

  • Dark Activated Terrace Lamp(TIC106D)

    2016-08-12 22:27:49125

    This article describes the Dark Activated Terrace Lamp (TIC106D). The principle is very simple, very practical. The circuit components can help you und...

  • The lamp drive circuit using NE555

    2016-08-12 21:45:1563

    In the circuit, the bulb Hl and H2 are connected in parallel. When Hl is lit; MOSFET tube VT4 is conducted, almost all the supply voltage is added at b...

  • Lamp Flasher

    2016-08-12 21:02:5761

    This circuit is a series of electric lamps Flasher. This circuit is designed for flash bulb 12V approximately one-second per level. Base behind when Q2...

  • Half_wave_variable_AC_control_for_small_motors_and_lamps

    2016-08-12 21:00:4761

    Half-wave variable AC control for small motors and lamps. In the lamp position the SCR is controlled by P1. In the motor position and with S2 open the ...

  • How to build Dome Lamp Dimmer

    2016-08-12 20:58:1361

    Description There are times when a little light inside the car would greatly assist one of the passengers but the dome light is too bright for safe dri...

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