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  • Based on audio mute phone lines and lights show the principl

    2014-12-15 02:18:2479

    Next is based on audio mute phone lines and lamp principles show. The most effective way is to grasp the principle of combining schematic view text, co...

  • Transformer coupled class a power amplifier

    2014-12-15 01:50:04122

    TRANSFORMER-COUPLED CLASS A POWER AMPLIFIER Transformer Coupled Class-A Power Amplifier This is also sometimes referred to as single ended power amplif...

  • Low Cost Precision Light Control / Dimmer (LM860)

    2014-12-15 01:43:0082

    This article describes the Low Cost Precision Light Control / Dimmer (LM860). The content is very simple, very helpful. Components in this article can ...

  • LED VoltMeter circuit

    2014-12-15 01:24:16144

    Here is a Simple LED Voltmeter to Monitor the charge level in Lead Acid Battery or Tubular battery. The terminal voltage of the battery is indicated th...

  • 28 LED Clock Timer

    2014-12-15 01:16:3983

    Muhammad Junaid Atta Sir Syed University Of engineering And Tech. 7th Semister Electronics Engineering This is a programmable clock timer circuit that ...

  • Wall-lighting with RGB-leds - Electronics

    2014-12-15 00:35:2083

    Wall-lighting with RGB-leds - Electronics As mentioned before: every 2 RGB-strips have a shared controller consisting of 6 MOSFETs, an AVR, a 78l05 and...

  • Black Light electronic circuit diagram

    2014-12-15 00:07:0181

    This circuit is a simple ultraviolate light that can be powered by a 6 volt battery or power supply that is capable of supplying 1 or more amps. PARTS ...

  • 230v Blinking Led electronic circuit diagram

    2014-12-14 23:52:27200

    Introduction I needed a pulsating light for a certain signaling. Voltage was 230V. So I decided to make a simple circuit, consisted of a LED diode, two...

  • Radio Controlled Electronic Flash

    2014-12-14 23:49:5076

    A radio controlled electronic flash is a useful item in any photographer's kit. Professionals use them all the time. For example, a wedding photographe...

  • Light and Dark Detector Circuit Diagram (2N2222)

    2014-12-14 22:49:21142

    This article describes the Light and Dark Detector Circuit Diagram (2N2222). The content is very simple, very helpful. Components in this article can h...

  • How to build Lightning Detector

    2014-12-14 22:35:5076

    Egor! Come quick! A storm approaches! Here is a VLF receiver tuned to 300 kHz designed to detect the crackle of approaching lightning. A bright lamp fl...

  • Counter display with led 7 segment by IC CMOS (CD4029)

    2014-12-14 22:34:261096

    This article describes the Counter display with led 7 segment by IC CMOS (CD4029). The content is very simple, very helpful. Components in this article...

  • Voltage Controlled Variable Gain Amplifier (2N4391)

    2014-12-14 22:00:04278

    This is a circuit of voltage controlled variable gain amplifier. This circuit uses 2N4391 that will provide a low Rds(on) less than 30 Ohm. This circui...

  • 5V O2 Sensor Circuit using LM3914 LED Display for Car Air-Fu

    2014-12-14 21:42:03435

    Oxygen (O2) sensors are used to sense the amount of oxygen in the exhaust gases. The following circuit uses twoLM3914s Dot/Bar Display Driver ICfor the...

  • Direction Sensitive Light Barrier(TSOP1736)

    2014-12-14 21:31:32177

    This article briefly describes the Direction Sensitive Light Barrier (TSOP1736). This principle is easy to understand, but also very practical. Depth u...

  • Delayed headlights circuit

    2014-12-14 21:18:3268

    When you are ready to get off, even if you forget to flip the switch car headlights, it will be closed. Because headlights delay circuit to maintain a ...

  • Lightning Detector

    2014-12-14 20:55:4579

    Egor! Come quick! A storm approaches! Here is a VLF receiver tuned to 300 kHz designed to detect the crackle of approaching lightning. A bright lamp fl...

  • Auto OFF Light

    2014-12-14 20:28:1895

    This is Auto OFF Light circuit. After the switch is pressed, the bulb is kept illuminated for a few seconds. To increase the ON time, The 10k should be...

  • Crystal-Controlled Fm Stereo Transmitter Circuit

    2014-12-14 20:11:3681

    In This application, a BA1404 is used to generate an FM MPX baseband signal. This modulates a crystal oscillator (Q3) via a dual varactor series modula...

  • Touch light dimmer circuit

    2014-12-14 20:09:44229

    With IC SLB0586A from Siemens you can build a simple touch light dimmer circuit that will allow you to adjust the lamp intensity. Together with a TIC20...

  • AVR controlled signal generator design considerations

    2014-12-14 20:08:1698

    Signal generator is second must have tool after oscilloscope while working with electronics designs. I dont have any signal generators, so I decided to...

  • TRIAC Dimmable 20W Offline LED Driver Using the LT3799

    2014-12-14 20:02:28441

    View Full Size Image View Original Design Note This circuit shows a complete LED driver solution. The LT3799 senses the output current from the primary...

  • Automatic Light Controller Using 7806

    2014-12-14 19:58:30154

    Voltage regulator ICs (78xx series) provide a steady output voltage, as against a widely fluctuating input supply, when the common terminal is grounded...

  • 18 LED dimmable LED lamp (BC639)

    2014-12-14 19:23:08147

    This article describes the 18 LED dimmable LED lamp (BC639). The content is very simple, very helpful. Components in this article can help you understa...

  • LED Circuit for AC Powerline Indicator (LM1458)

    2014-12-14 19:22:3785

    This article describes the LED Circuit for AC Powerline Indicator (LM1458). The content is very simple, very helpful. Components in this article can he...

  • 3V LED chaser(CD4017)

    2014-12-14 19:00:46329

    This article describes a 3V LED chaser (CD4017). The content is very simple, very practical. The components of the article can help you understand bett...

  • Wireless light switch circuit

    2014-12-14 18:35:45102

    You may use this wireless light switch instead of physical contact with switches which may be dangerous if there is any shorting. The wireless light sw...

  • Li-Ion to 10 White LEDs and LCD Bias ( /-8V) with Output Dis

    2014-12-14 17:57:4278

    View Full Size Image View Original Datasheet With two small external switched capacitor networks, the LT3466-1 can provide both positive and negative b...

  • Light and Luminescence

    2014-12-14 17:38:1077

    The relations between electronics and light have been discussed in a number of pages in this series.Optoelectronicscovered mainly the absorption and em...

  • LEDs Temperature Indicator circuit diagram

    2014-12-14 16:34:5085

    This circuit is a circuit which will provide output indicator of the temperature around the circuit. The indicator is just 2 pieces LEDs (D1 and D2) wh...

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