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  • PHONE_MESSAGE_FLASHER

    2017-02-05 15:59:1060

    This circuit flashes an LED to indicate that your phone rang during your absence. A differential amplifier with hysteresis (Q1, Q2, and Q3) detects hig...

  • LDR Flashing LED Circuit

    2017-02-05 15:41:0464

    In this flashing led lights circuit, the LDR or photoresistor is connected in such way that when the light intensity varies it will influence the flash...

  • 6_V_flasher

    2017-02-05 15:35:5162

    This circuit shows an LED flasher that uses an LM3909 with a 6-V supply. Notice that the circuit is similar to that of Fig. 12-43B, except that a 75-Ω...

  • Solar Flasher

    2017-02-05 15:13:3163

    Circuit Notes: This circuit is a single transistor flyback (Joule Thief) circuit that features a third coil. With it, flash duration and brightness is ...

  • Sequential_AC_flasher_using_SCRs_triacs_and_a_UJT

    2017-02-05 15:09:4261

    Sequential AC flasher using SCRs, triacs and a UJT. Only three stages are shown but many additional stages can be added. By adding the circuitry inside...

  • Light_target_flasher

    2017-02-05 14:57:1561

    Light target flasher. Photoresistor PC1 starts the flasher circuit whenever light hits it. Sensitivity control R1 is adjusted so that the flasher stops...

  • ELECTRONIC_PHOTOFLASH

    2017-02-05 14:45:0460

    Using the CA3164A BiMOS control chip consumes less than 15 μA during standby, yet it can provide 100 mA of chopped current to the dc-to-dc converter d...

  • The flashlight drive circuit

    2017-02-05 13:52:2061

    The electric charge is fixed with capacitors as the storage elements, and it doesn't need any external inductors, so the electromagnetic disturbance pr...

  • Traffic Baton with Bulb or LED Flasher

    2017-02-05 13:50:3760

    Image#1: Traffic Baton with LED Flasher Circuit This is the traffic baton circuit which available in two versions that are traffic baton with LED flash...

  • Low_power_flashers

    2017-02-05 13:24:5861

    This circuit shows two simple flashers that use an LM3909. Figure 12-43B shows the internal circuit. Notice that the LM3909 requires only 1.5 V.However...

  • FLASH_DELAY

    2017-02-05 12:48:1462

    Supressor-gated sanatron pentode provides adjustable delay for changing spacing of lashes.-P. Scott, Microflash and Pulse Stimulator Tests Human Optica...

  • Four-way flashing light string circuit with music (CS9802)

    2017-02-05 12:47:1760

    As shown in the figure, it is a four-way flashing light stringcontroller with music, and its core component is the CS9802 music colouredlantern control...

  • 220V LED Flasher circuit

    2017-02-05 12:42:2164

    This is an AC powered LED flasher that can drive two High bright LEDs directly from the power obtained from the AC lines. The high bright LED flasher c...

  • Time Delay Photo Flash Trigger

    2017-02-05 12:29:3763

    Ql is a phototransistor that is normally illuminated by a beam of light. When the beam is intercoupled, pin1 ofU1Agoes high, and forcespin4U2B low. The...

  • Micro Flasher

    2017-02-05 12:27:5667

    Description. This micro flasher circuit continuously emits flashing light with the consumption of very less power.The circuit can run for a very long t...

  • How to build Flashing Neons (NE-2 / NE-51)

    2017-02-05 11:48:1060

    Description In this circuit, one, two or three neon indicator bulbs can be made to flash in sequence at rates determined by the R and C values. In the ...

  • Automatic_flasher_light_for_use_around_marine_buoys_piers_or

    2017-02-05 11:32:3561

    Automatic flasher light for use around marine buoys, piers, or towers. It starts working at dark and stops at dawn. When constructing this circuit be s...

  • 1 Kw flip-flop flasher circuit

    2017-02-05 10:45:2960

    This is an application of the static switch circuit where the control logic is a flip-flop which is controlled by the unijunction transistor. The flash...

  • Mini Flasher

    2017-02-05 10:36:3261

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

  • Single-way flashing light string circuit (3)

    2017-02-05 10:20:0461

    As shown in the figure, it is a single-way flashing controller composed of digital IC, it can make the light string flash continuously in the cycle of ...

  • The typical high-voltage flashlight circuit

    2017-02-05 09:58:0163

    1. The high-voltage flashlight circuit The high-voltage flashlight generate high voltage through the oscillating circuit and booster transformer, and t...

  • The CW168 new flash alarm integrated circuit

    2017-02-05 09:15:4461

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

  • 555 musical flashing electronical ball circuit used in the g

    2017-02-05 09:15:3361

    IC1 adopts the time base circuit 555, the monostable delay circuit is composed of IC1, R1, R2, RP1, C1. Before playing the game, the switch SN should b...

  • Two star flasher circuit.

    2017-02-05 08:37:2861

    Description. A circuit that can be used to flash two Christmas stars alternatively is given here. The IC1 NE 555 is wired as an astable multivibrator h...

  • CMOS_FLASHER

    2017-02-05 08:29:2561

    Uses a low cost CMOS IC to turn four LEDs on and off at a rate that is set by the values of R1, R2, C1, and C2. The pulse rate for the component values...

  • Sequential Flasher

    2017-02-05 08:23:1660

    Using a 555 timer to drive a CMOS counter, this device uses RCA CA3079 zero-voltage switch to control triacs TR1 through TR4. This circuit can be used ...

  • LED flashing circuit

    2017-02-05 07:46:4165

    This is a simple led flashing circuit with 2 leds. It illustrates the behavior of transistors and capacitors and if you use an oscilloscope it will be ...

  • SLAVE_FLASH

    2017-02-05 07:38:2863

    Remote fiashtube having no connection with camera is fired by light-activated SCR (LASCR) when triggered by main fiash of camera. Used to provide illum...

  • 8 Random Flashing Leds Circuit

    2017-02-05 07:33:0361

    This project flashes eight LEDs in an apparently random manner. It uses a 4060 combined counter and display driver IC which is designed for driving 7-s...

  • Automobile Steering Flasher (4)

    2017-02-05 07:31:3560

    The low-frequency oscillator will generate 1Hz pulse signals which will control HL1 and HL2.IC2's inner switch will be connected intermittently under t...

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