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  • FLASHING_LED_IS_REMOTE_MONITOR

    2017-02-05 01:17:4760

    Circuit uses National LM3909 flasher IC to drive LED for monitoring remotely located high-voltage power supply. When 43K dropping resistor is located a...

  • Thyristor drive LED flashing circuit

    2017-02-05 01:09:4661

    The oscillator which is composed of unijunction transistor Q1 will produce a series of timing pluse triggering thyristor, and then the thyristor drives...

  • AC_FLASHER

    2017-02-05 01:05:0463

    This ac line-operated flasher uses an SCR and is capable of flashing a large lamp. Flashing rate is determined by the 10-KΩ resistor and the 50-mF cap...

  • Jumbo Flashing LED Lights

    2017-02-05 00:43:1261

    This is a flashing led lights circuit powered from a 12V DC power supply that uses the well known 555 IC. Flashing lights have many and varied applicat...

  • Four-way flashing light string circuit ( 2 )

    2017-02-05 00:34:5462

    As shown in the figure, it is four-way flashing light string controller with a four-way gradually dimming light-emitting diode driver integrated circui...

  • LED flasher circuit diagram

    2017-02-05 00:13:4363

    The two gates of SN7400 four gates form a multivibrator, of which oscillation frequency is very low, so the LED is turned on and off slowly, then you c...

  • MULTIPLE_FLASHING_LED_LIGHT_STRING

    2017-02-04 23:47:3461

    This circuit offers up to 10 strings of LEDs that turn on one row at a time in a sequential manner; for the sake of space and simplicity, only three st...

  • Flasher Circuit using NE 555

    2017-02-04 23:14:0760

    Lamp Flasher using NE 555 Description This is the circuit diagram oflamp flasheroperated from mains. By this you can flash up to 200 Watt lamps at rate...

  • REMOTE_FLASH_TRIGGER

    2017-02-04 23:00:3262

    Transistor Q1 is a light-activated silicon-controlled rectifier (LASCR). The gate is tripped by light entering a small lens built into the top cap. To ...

  • ISP Flash Memory Programmer for AVR using Parallel port

    2017-02-04 22:42:1364

    AVR flash memory programmers are easy to build and one programmer can program a virtually program all series and types of AVR devices. This universal c...

  • Phone Flasher circuit diagram

    2017-02-04 22:30:4563

    When the phone rings, the BG2 makes IC1A output high, and in one NAND gate end of IC2B, R4, C1 forms the differential circuit to generate spike pulse a...

  • SOUND_LIGHT_FLASH_TRIGGER

    2017-02-04 22:25:5061

    Sound input to the microphone triggers tthe IC monostable circuit which subsequently triggers an SCR, and hence the flash, after a time delay. This del...

  • LED Flashing Heart

    2017-02-04 22:21:1162

    This is the LED flashing circuit, since the shape used in this circuit was hearth shape, then we call it LED flashing heart circuit. The circuit is qui...

  • Lighthouse LED Flasher

    2017-02-04 22:02:3363

    This was originally designed for a model in a HO train set. It simulates the behavior of the light from a lighthouse. The LED intensity gradually incre...

  • NOVELTY_LED_FLASHER

    2017-02-04 21:50:3261

    The circuit contains three oscillators, one based on a 555 (IC1) and the others centered around a 556 (IC2). When S1 is on, each oscillator's LED (LED1...

  • Crossing Light Flasher

    2017-02-04 21:48:1061

    The next circuit uses a dual timer in a Push-Pull output arrangement. While this circuit would be sightly more expensive to build, it would make the wi...

  • 15_V_LED_FLASHER

    2017-02-04 21:00:4065

    National LM3909 IC operating from 1.5-V battery drives NSL5027 LED in such a way that current is drawn by LED only about 1% of time. External 300-μF c...

  • Automobile Steering Flasher (2)

    2017-02-04 20:43:2061

    When S2 is connected, +V will provide the square wave oscillator with working power after limitation and stablization. When the oscillator begins to wo...

  • LD168 audio voltage-controlled flasher decorationcontrol cir

    2017-02-04 20:29:4260

    In the figure, LD168 is a tape recorders flasher ASIC for speaker sound level indication. It has four outputs which can directly drive a plurality of l...

  • Bluish Flasher(1N4148)

    2017-02-04 20:19:1960

    This article briefly describes Bluish Flasher (1N4148). This principle is easy to understand, but also very practical. Depth understanding of circuit e...

  • Alternating flasher

    2017-02-04 20:15:4161

    The flash rate is determined by CI and R4. The LED's flash alternately. Reprinted Url Of This Article: http://www.next.gr/light-laser-led/led-circuits/...

  • RANDOM_FLASHING_NEONS

    2017-02-04 19:55:2368

    Neon glow lamps such as Radio Shack 272-1101 flash in unpredictable sequences at various rates that are determined by values of R and C used for each l...

  • FLASHER_LIGHT_CONTROL

    2017-02-04 19:42:2362

    Circuit NotesThe circuit is a two-stage, direct-coupled transistor amplifier connected as a free-running multivibrator. Both the flash duration and fla...

  • Flash_memory_programming_supply_30_mA

    2017-02-04 19:28:1560

    Figure 7-58 shows a MAX662A connected to provide a +12-V, 30-mA output for programming byte-wide flash memories. Figure 7-59 shows component suppliers....

  • 12_V_flasher

    2017-02-04 19:21:1361

    This LM3909 flasher circuit can be powered from an automotive storage battery, provides a 1-Hz flash, and can power a 600-mA lamp. A particular advanta...

  • Two alternating flashing LED light controlled by digital IC

    2017-02-04 19:15:1260

    The chart shows the TTL or CMOS digital integrated circuits controlling circuit, and it uses the transistor to drive two LED lights flashing alternatel...

  • Flash-meter

    2017-02-04 17:57:4661

    Insulated-gate, field-effect transistor (IGFET), Q2 and silicon photo cell Zl form the heart of this circuit. Transformer T1 is an audio-output type, b...

  • 500 candela flash circuit

    2017-02-04 17:38:3960

    This circuit can be used at night as the flash for dock instruction or rescue vehicle. The flash can be D26-type or 6S6 type of 117V and 6W. Q1 and Q2 ...

  • Smooth Flasher Circuit Diagram

    2017-02-04 16:53:3561

    Ordinary LED flashers turn the LED on and off abruptly, which can get a little irritating after a while. The circuit shown here is more gentle on the e...

  • Two LEDs alternately flashing circuit diagram controlled by

    2017-02-04 16:40:3662

    The circuit shown as the chart is controlled by TTL or CMOS digital integrated circuit, it will flash alternately by the transistor conduction to drive...

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