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  • 1_Hz_AUTO_FLASHER

    2017-02-04 16:15:0160

    Lamp drawing nominal 600 mA is flashed at 1 Hz by National LM3909 flasher IC operating from 12-V automotive batterv. Use of 3300-μF capacitor makes fl...

  • The flashing Heart

    2017-02-04 15:27:3760

    Buying a gift for someone special or a loved one can sometimes be difficult or expensive. The flashing heart is the answer. It is easy to build and eve...

  • 12_volt_two_wire_automotive_flasher_using_an_LM3909_chip

    2017-02-04 14:57:1563

    12-volt two-wire automotive flasher using an LM3909 chip. Circuitry inside dashes is the LM3909. Rate is about 1 hertz. Since it is a two-wire circuit ...

  • Strobeflash_slave_adapter

    2017-02-04 14:30:0260

    This circuit provides the drive needed to trigger a slave strobeflash, without wires between the master and slave units. When light from the master str...

  • Flashing light indication light switch circuit

    2017-02-04 14:00:3361

    When S is closed, the light E is lit normally, flashing light indication circuit does not work because of losing power. When S is open, 220V AC is rect...

  • Half-flash-adc

    2017-02-04 13:42:4968

    An aid conversion technique which combines some of the speed advantages of flash conversion with the circuitry savings of successive approximation is t...

  • Light_triggered_photoflash_slave

    2017-02-04 13:33:5660

    Light-triggered photoflash slave. This circuit is activated when you operate your camera's flash. If a 22.5-volt battery is not available use two 9-vol...

  • Neon Flasher Runs From 3V Supply

    2017-02-04 12:52:0862

    A neon indicator typically requires at least 70V to fire it and normally would not be contemplated in a battery circuit. However, this little switchmod...

  • The CW168 new flash alarm integrated circuit

    2017-02-04 12:40:0161

    R1 is the external oscillating circuit of the internal oscillator, by changing the resistance of R1, the oscillating frequency of the oscillator inside...

  • Irregular Flasher(4011)

    2017-02-04 12:34:2561

    This article briefly describes the Irregular Flasher (4011). This principle is easy to understand, but also very practical. Depth understanding of circ...

  • Flashing light control circuit

    2017-02-04 12:25:1361

    This wonderful scene can be realized through the flashing light control circuit installed below the front headlights or trunk parts. Actual line is sho...

  • 555 LED Flasher

    2017-02-04 12:14:1263

    This is a small size led flasher built with the 555 timer IC that is powered from 2 x 1.5V batteries. The circuit can be used as a flashing metronome, ...

  • The FET pipe drive timing flash circuit

    2017-02-04 11:46:5763

    With the figured circuit, we can compose a circle light timing control circuit with a few elements. The circuit consists of the MOS time-base circuit 7...

  • FLASHING_LED_HV_SUPPLY_CIRCUIT

    2017-02-04 11:27:2761

    When using FLEDs on a supply voltage higher than the rating of the FLED, precautions should be taken to ensure, that the device never sees a voltage ab...

  • Alternating_flasher_using_an_LM3909_chip

    2017-02-04 10:57:1360

    Alternating flasher using an LM3909 chip. Circuitry inside the dashes is the LM3909. This circuit is a relaxation oscillator flashing two LEDs sequenti...

  • Touching eight-sound five-flash dynamic toy circuit diagram

    2017-02-04 10:51:4161

    Touching eight-sound five-flash dynamic toy circuit diagram is shown in the diagram. It consists of HFC3018 module, and it can generate eight kinds ofd...

  • Single 1.2V NiMH Cell LEDs Flashlight

    2017-02-04 10:27:3463

    The single cell led flashlight circuit is a self-oscillating boost converter. A typical white LED has its best power-efficiency combination at about 20...

  • 1_kilowatt_flasher_with_photoelectric_control

    2017-02-04 10:25:3761

    1-kilowatt flasher with photoelectric control. This circuit can be used to control warning lights on towers, piers or construction hazards. Remote cont...

  • Safe_high_voltage_flasher_or_monitor

    2017-02-04 09:54:3360

    A high-voltage (85 to 200 V) power supply can be monitored at a remote location safely and with little current drain using this LM3909 circuit. If the ...

  • LOW_VOLTAGE_FLASHER

    2017-02-04 09:31:3562

    Circuit NotesApplying voltage to the circuit triggers SCR1. With SCR1 on, the voltage on the anode of SCR2 rises until SCR2 triggers to commu-tate SCR1...

  • Brake Flash Light

    2017-02-04 09:30:4362

    When the oscillator begins to work, 300V high-frequency pulse voltage will be generated on W3. The voltage will be divided into four circuits after rec...

  • Automobile Steering Flasher (5)

    2017-02-04 09:23:5361

    S is the turn lamp switch. HL1 is the left turn lamp switch. HL2 is the right turn lamp switch.The astable multivibrator will generate low-frequency os...

  • DC flasher with adjustable on and off time

    2017-02-04 09:02:3884

    This circuit utilizes a power flip-flop and programmable unijunction (PUT) to obtain adjustable on and off times. Reprinted Url Of This Article: http:/...

  • SOUND_TRIGGER_FOR_FLASH_UNIT

    2017-02-04 08:27:5261

    Circuit NotesThe circuit is based on operational amplifier IC1 used in the noninverting amplifier mode. R1 and 2 set the gain at about 500. RV1 (sensit...

  • 220V / 200W Lamp Flasher

    2017-02-04 08:11:3162

    This is the 200W lamp flasher circuit diagram. The frequency/speed of the lamp flashing can be adjust with the range of 1Hz to 5Hz. You can use the PR1...

  • HALF_FLASH_ADC

    2017-02-04 07:51:2363

    An a/d conversion technique which combines some of the speed advantages of flash conversion with the circuitry savings of successive approximation is t...

  • Mini Flasher

    2017-02-04 07:41:1861

    Description. H ere is a simple and compact flasher circuit that an be used where ever a flashing LED is needed.The circuit finds application in flashin...

  • simulate school bus flashers

    2017-02-04 06:51:5464

    The second circuit was designed to simulate school bus flashers that are to be found in the state of Oregon. The Loading/Unloading lights flash alterna...

  • FLASHTUBE_TRIGGER

    2017-02-04 06:13:3361

    Uses 2D21 thyratron switch to discharge capacitor across primary of high-vohage pulse transformer whenever thyratron is fired. Resulting pulse is appli...

  • 100_Ws_PHOTOFLASH

    2017-02-04 06:11:0962

    Uses AC supply and large storage capacitors to give intense flash lasting only about 250 ms, as required for stop-motion photography of fast-moving obj...

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