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  • 220V AC Lamp Touch Dimmer (TT6061A )

    2016-08-04 15:45:3961

    This article describes the 220V AC Lamp Touch Dimmer (TT6061A). The content is very simple, very helpful. Components in this article can help you under...

  • CLAMPED_DARLINGTON_CONTROL

    2016-08-04 15:20:5361

    Circuit uses MJE205 5-A transistor in Darlington con-figuration driving 2N5301 30-A transistor for passing 18 A to DC motor under logic control.CMOS ga...

  • High_intensity_lamp_dimmer_or_fan_control

    2016-08-04 14:44:2764

    High-intensity lamp dimmer or fan control. This circuit is for use with high-intensity lamps with a built-in transformer only; do not use with 120-volt...

  • SH-818 seven functions color lamp and good quality piano mus

    2016-08-04 14:29:2360

    As shown in the figure, it consists of clock beat generator, light control circuit, middle power amplifier and AC depressurization, steady voltage circ...

  • Three-Way Touch Lamp

    2016-08-04 14:04:3563

    A three-way switch to control a lamp (off-dim-bright, etc.) uses an NE555 timer to generate a one-second pulse, trigge red by ambient ac fields that ar...

  • The simple fluorescent lamp driver circuit

    2016-08-04 13:51:2061

    It is a self-excited push-pull converter which is conmposed of transformer and transistor. In the circuit, the transistor VT3, relay Kl, resistor R6 an...

  • Norton_lamp_relay_driver_300_mA_loads

    2016-08-04 13:03:2061

    This circuit is similar to that of Fig. 11-10, except that the load capability is increased to 300 mA. R1 and R2 hold Q2 off when the Norton OTA output...

  • eyes care lamp(2)

    2016-08-04 12:35:0460

    This example describes the eyes care lamp with functions like touch-sensitive light and turn off timing,and it can dim the light level according to the...

  • FAST_CLAMP

    2016-08-04 11:17:2661

    Smaller capacitance of temperature-compensated reference diodes allows clamping of faster pulses than is possible with ordinary zeners. Diagram shows p...

  • PROJECTION_LAMP_VOLTAGE_REGULATOR

    2016-08-04 10:47:5663

    Circuit will regulate RMS output voltage across lamp to 100 V ±2% for input voltages between 105 and 250 VAC. Light output of 150-W projection lamp is...

  • Versatile emergency lamp.

    2016-08-04 10:42:3861

    Description. Here is the circuit diagram of a very versatile emergency lamp that can be operated in two modes (flasher and dimmer). The circuit is base...

  • Double-key touching lamp switch circuit (3)

    2016-08-04 10:27:3661

    As shown in the figure, it is a double-key touching lamp switch with Darlington transistor, the feature of circuit is that touching tablet and 220V AC ...

  • USB Lamp circuit

    2016-08-04 10:04:4561

    Here is a simple USB lamp powered from the USB socket of PC. It uses 5mm high bright White LEDs to give ample light to work in the Keyboard if the room...

  • 220V AC Lamp Touch Dimmer (TT8486A)

    2016-08-04 09:43:4465

    This article describes the 220V AC Lamp Touch Dimmer (TT8486A). The content is very simple, very helpful. Components in this article can help you under...

  • 555 emergency DC fluorescent lamp circuit

    2016-08-04 09:01:4362

    As the figure 17-19 shows, the astable multivibrator is composed of the 555 and R1,R2,C2, the oscillation frequency f=1.44/(R1+2R2)C2. The paramete...

  • Varying Brightness AC Lamp (LTC1733EMSE)

    2016-08-04 08:40:4162

    This article describes the Varying Brightness AC Lamp (LTC1733EMSE). The principle is very simple, very practical. The circuit components can help you ...

  • 12 Volt DC Fluorescent Lamp Driver(TLC555 )

    2016-08-04 08:25:3267

    This article briefly describes the 12 Volt DC Fluorescent Lamp Driver (TLC555). This principle is easy to understand, but also very practical. Depth un...

  • Touch Dimmer for Lamps

    2016-08-04 08:23:4767

    Touch Control Lamp Dimmer Description T his is a simple touch dimmer circuit made of IC TT6061 . TT 6061 is specifically designed for this purpose.By t...

  • MODEL_RAILROAD_LIGHTHOUSE_LAMP_SIMULATOR

    2016-08-04 07:59:0160

    The lamp turns on and off gradually, controlled by the charging and discharging of the capacitor. Here is a circuit that will do the job. It uses a TIP...

  • Low_voltage_lamp_flasher_that_uses_a_PUT

    2016-08-04 07:47:1960

    This circuit shows a PUT used as a lamp flasher, where the supply is only 3 V. Q1, R1, and C1 form a relaxation oscillator. Q2 and Q3 form an SCR flip-...

  • Automatic Gate Lamp circuit

    2016-08-04 07:40:4960

    This circuit lights the Premises of House around 6 pm and turns off in the morning. Its working is fully automatic and uses the light sensing property ...

  • Touching delay lamp switch circuit(9)

    2016-08-04 07:31:3762

    The chart shows the touching delay lamp for night, if you wake up at night and want to know the time, as long as to touch the small box beside the pill...

  • BISTABLE_INDICATOR_LAMP_DRIVER

    2016-08-04 07:29:1463

    Permits controlling lamp with short trigger pulses, for control panel of computer. Negative 2-V trigger at A turns on lamp, which then remains on due t...

  • Fluorescent Lamp Electronic Ballast (3)

    2016-08-04 05:47:2061

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

  • AC color lamp control circuit composed of LC181 audio modula

    2016-08-04 05:17:4661

    The cycle frequency is 0.5~1Hz. LED cycles flashing slowly. When connected the audio modulation singal, the cycle speed of LED will change with the aud...

  • Gated automatic lamp circuit (2)

    2016-08-04 04:40:4861

    As shown in the figure, itis a gated auto light circuitwith digital integrated circuits, and it mainly consists of the door and window sensors, CD4093 ...

  • 12V Neon Lamp Circuit

    2016-08-04 04:35:4578

    Neon lamp or tube lamp need high voltage to trigger the ionization of the gas inside the tube. After the ionization occurs, the voltage drops around 40...

  • How to build Two-wire Lamp Flasher

    2016-08-04 04:25:2263

    Ideal to operate 3 to 24V DC existing on-circuit lamps LED operation is also possible Circuit diagram Parts: R1 6K8 1/4W ResistorR2 270K 1/4W ResistorR...

  • Soft Start for 12 Volt Halogen Lamps

    2016-08-04 04:08:3865

    This simple 12 volt halogen lamp soft starter circuit extends the life of the halogen lamps by eliminating the sharp rise in the temperature of the fil...

  • Electronic energy saving lamp (1)

    2016-08-04 04:08:0562

    VT1, VT2 choice MTE13003 ~ 13005 high-power tube, and β value is between 20 to 40. T1, T2 need to be made by yourself: the three coils of T1 are avail...

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