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  • wireless remote control dimmable lamp(1)

    2016-08-06 01:30:3261

    Decorative lights like general droplights are not of remote control and dimming functions,and they are very uneasy to use. This example describes the w...

  • CLAMPING CIRCUITS

    2016-08-06 01:22:3661

    AIM   To realize various clamping circuits using diodes and capacitors   COMPONENTS AND EQUIPMENTS   1. Diode 2. Capacitor 3. DC power supply 4. CRO...

  • 5W FLUORESCENT LAMP INTENSITY MODULATOR

    2016-08-06 01:13:4363

    Click on Drawing Below to view PDF version of Schematic The circuit was designed to experiment with using small fluorescent lamps as a broad pattern so...

  • Infrared remote control lamp switch circuit (2)

    2016-08-06 01:07:1561

    As shown in the figure, circuit (a ) is an infrared light emitter circuit, the oscillation frequency is 20kHz; ( b) is an infrared light receiver circu...

  • High_wattage_lamp_control

    2016-08-06 00:07:0963

    Many high-wattage incandescent lamps suffer shortened lifetimes when switched on at ac line voltages other than zero. This is because a large inrush of...

  • Simple light-operated street lamp circuit diagram(4)

    2016-08-05 22:46:4861

    The chart shows the simple light-operated street lamp circuit which is made by two-way thyristor, and it also uses two-wire connection, so installation...

  • 120V AC Lamp Dimmer circuit diagram

    2016-08-05 21:24:2067

    This article briefly describes the 120V AC Lamp Dimmer circuit diagram. This principle is easy to understand, but also very practical. Depth understand...

  • Delay lamp circuit using relay (1)

    2016-08-05 20:39:5961

    As the figue shows, it is a delay lamp using relay. It adopts the feature of relay control that the power of controlled lamp is only limited by relay c...

  • 8W Mobile Small Size Emergency Lamp Circuit

    2016-08-05 20:18:0566

    In this picture d1 is the charging pilot light. In the status of charging, as the battery voltage increased gradually, thebrightness of d1 would decrea...

  • Deep Discussion: Clamp Type Current Transformer Circuit

    2016-08-05 19:32:0561

    SP series clamp type current transformer belongs to precision current transformer category and it is a high precision AC current converter,for example,...

  • The ceiling lamp control switch circuit (1)

    2016-08-05 18:44:3360

    Usually, there are many bulbs in a ceiling lamp, when the power is on, all the bulbs are lighting, if the ceiling lamp is working for a long time, it w...

  • How to build 12 Volt Lamp Dimmer

    2016-08-05 18:35:5461

    Description 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 duty cy...

  • Lamp flasher circuit

    2016-08-05 18:16:2362

    Description. This simple circuit that can be used to flash incandescent lamps up to 10W power rating.The circuit is ideal for making flashing beacons o...

  • Eye-care Lamps (the 2nd)

    2016-08-05 17:35:1660

    Work of the circuitThe circuit consists of power circuit, timer, light examine circuit, LED shining circuit, light control circuit and music circuit (I...

  • Household simple flashing wall lamp controller circuit

    2016-08-05 17:29:5561

    The circuit principle: the circuit is as shown in the figure, the simple resistance step-down half-wave full-wave circuit is composed of vd1, vd2, r3 a...

  • USB LED Lamp circuit.

    2016-08-05 16:55:0961

    USB Lamp Circuit Description. Here is a simple USB powered lamp that can be used to light your desktop during power failures. The circuit operates from...

  • Comutator pentru lampi cu halogen

    2016-08-05 16:26:4462

    Adaugat in Lumina | fara comentarii Mai multe scheme cu: lampi halogen Lampile cu halogen dau o lumina buna si au o eficienta excelenta. Din nefericire...

  • Delay lamp circuit using relay (3)

    2016-08-05 15:09:2861

    As shown in the figue, VT1, VT2 can adopt two 1A / 400V type unidirectional thyristors with the same properties. K can use JRX-13F, DC12V type miniatur...

  • Incandescent Lamp Inrush Current Limiter

    2016-08-05 14:29:3163

    This circuit limits the large inrush current often associated with large incandescent lamps. With the components shown the current is limited to 1 amp,...

  • Flashing Mains Neon Lamp

    2016-08-05 14:18:0866

    Here is a Neon Flasher circuit (untested) for a user request at Elex Quna. This can be built into a switchboard or a gadget for indicating Live Power. ...

  • Simple light-operated street lamp circuit diagram(6)

    2016-08-05 14:04:0961

    The chart shows the simple light-operated street lamp circuit with better performance , and it can be used in the automatic control of street lamps in ...

  • Touch music color lamp circuit(BH-SK-I)

    2016-08-05 11:35:1961

    The circuit is as shown. It is composed of touch switch, SCR trigger circuit, music phonation circuit and AC depressurization rectifier circuit. BH-SK—...

  • SR63 multi-function festival color lamp with firecrackers so

    2016-08-05 11:27:0661

    SR63 is a large scale CMOS festival color lamp control special integrated circuit, it has four ways output drive singal, it has eight kinds light chang...

  • delay energy-saving lamp circuit

    2016-08-05 10:52:4964

    The delay energy-saving lamp shown in the picture is a acousto-optic dual control power-saving delay lamp.It can directly replace ordinary lighting swi...

  • Using diode to extend life of incandescent lamp circuit diag

    2016-08-05 10:13:0663

    Using diode to extend life of incandescent lampIn the places which are less demand of illumination such as the stairs, corridors, toilets and so on, th...

  • The infrared lamp controller circuit

    2016-08-05 09:30:2161

    The infrared lamp controller is equipped with a heat releasing infrared sensor as the human body sensor, which can make the lamp controller fulfill fun...

  • The subsonic remote control lamp switch circuit (1)

    2016-08-05 08:37:2062

    As shown, the remote control light uses 18kHz acoustic wave as remote control signal. The auditory range is from 20Hz to 20kHz. Ear inaudible ultrasoni...

  • 11 channel 220V VU Lamp Display with MOC3021M NL

    2016-08-05 06:45:2962

    VU 220V Circuit Welcome back to free circuit dot com, What has circuit today ? For those who like the sound and light system. Today I get to see the VU...

  • Gated automatic lamp circuit ( 1)

    2016-08-05 05:41:1060

    It is not convenience to find light switch when you return home at night. As shown in the figure, it is a gated automatic light, when you return home a...

  • Lamp Pulser

    2016-08-05 05:10:5560

    Parts:R1,R2 4K7 1/4W ResistorsR3 22K 1/4W ResistorR4 2M2 1/4W Resistor (See Notes)R5 10K 1/4W ResistorR6 47R 1/4W Resistor (See Notes)C1 1F 63V Polyest...

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