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  • Gelled lead acid battery charger circuit

    2014-12-20 06:30:43265

    Gelled lead acid battery charger circuit diagram allow quickly charges gelled lead-acid batteries, and automatically turns off at full charge. First, t...

  • Light alarm schematic circuit diagram

    2014-12-20 06:22:0584

    Sensors This light alarm schematic circuit is designed using some common electronic parts, as you can see in the circuit diagram bellow . This light al...

  • Audio sound controlled lights

    2014-12-20 06:17:5781

    This audio controlled lights circuit design is used to control the brightness of the lights attached to it in sync with the sound that is being captura...

  • Precision Light Alarm With Hysteresis Circuit

    2014-12-20 05:58:4567

    The TL081 is used as a comparator in a Wheatstone bridge circuit. When the CDS cell resistance decreases due to exposure to light, the output from IC2 ...

  • Low Cost Precision Light Control / Dimmer

    2014-12-20 05:34:2881

    Using a the controlled-half-plus-fixed-half-wave phase control method, this circuit can regulate an 860 a watt lamp load from half to full power. This ...

  • Ultra Bright LED Lamp

    2014-12-20 05:16:04114

    This ultra-bright white LED lamp works on 230V AC with minimal power consumption. It can be used to illuminate VU meters, SWR meters, etc. Ultra-bright...

  • LED lamp circuit from scrap

    2014-12-20 04:40:36191

    Power saving LED lamp from your scrap box. This circuit is designed by Mr Seetharaman Subramanian and we are very glad to publish it here. In this arti...

  • How to build Touch Activated Light

    2014-12-20 04:24:4084

    Description The circuits below light a 20 watt lamp when the contacts are touched and the skin resistance is about 2 Megs or less. The circuit on the l...

  • 12V battery level indicator circuit (LED bargraph)

    2014-12-20 02:47:02206

    12V battery level indicator circuit with ? LED bar /dot display LM3914. The heart of this circuit is the LM3914 from national semiconductors. The LM391...

  • How to build LED Photo Sensor.

    2014-12-20 02:41:5485

    Circuit diagram Description Here's a circuit that takes advantage of the photo-voltaic voltage of an ordinary LED. The LED voltage is buffered by a jun...

  • Nite Rider Lights electronic circuit diagram

    2014-12-20 02:22:1775

    The circuit is drawn with PCB 123 which you can download for free from http://www.pcb123.com As a keen cyclist I am always looking for ways to be seen ...

  • LED Light Bulbs in LED Lighting (BAT85)

    2014-12-20 02:20:32263

    This article describes the LED Light Bulbs in LED Lighting (BAT85). The content is very simple, very helpful. Components in this article can help you u...

  • A detailed explanation of ISO smart card

    2014-12-20 01:58:4178

    This article is a smartcard ISO explained in detail. This article is just a simple smart card ISO explore welcome comments. 8 pin SMARTCARD special?con...

  • LED Workbench Lighting(LM317L)

    2014-12-20 01:57:56103

    This article briefly describes the LED Workbench Lighting (LM317L). This principle is easy to understand, but also very practical. Depth understanding ...

  • 120 and 240Vac LED Voltage Indicator circuit (BZX79C10)

    2014-12-20 01:21:0676

    This article describes the 120 and 240Vac LED Voltage Indicator circuit (BZX79C10). The content is very simple, very helpful. Components in this articl...

  • Counter display with led 7 segment by IC CMOS (CD4513)

    2014-12-20 01:13:09225

    This article describes the Counter display with led 7 segment by IC CMOS (CD4513). The content is very simple, very helpful. Components in this article...

  • Strobe light (1N4148)

    2014-12-20 00:38:1595

    This article describes the Strobe light (1N4148). The principle is very simple, very practical. The circuit components can help you understand better g...

  • LED Audio Level (VU) Indicator and Alarm: The Dot Turns to B

    2014-12-19 23:49:43254

    This LED (Light Emitiing Diode) display consist of 10 LEDs to indicate the level of an input signal. If the signal is small, only LED#1 will light, and...

  • Traffic Light

    2014-12-19 21:39:1987

    Java-Runtime is required for Circuit Simulation. Download Java for Windows Download Java for Linux Download Java for Other OS Start Simulation Circuit ...

  • Touch delay light circuit with digital circuit(5)

    2014-12-19 21:36:3068

    The figure is as shown, it is a touch delay light circuit which adopts dry battery as power supply, it can be put beside thepillow, at night, if you to...

  • Heat Or Light Activated Alarm Circuit

    2014-12-19 20:42:1980

    The tone generated by a 555 oscillator can be turned on (activated) by heat or light. That causes Ql to conduct transistor W2 (TIP 3055). Q2 (TIP 3055)...

  • Automatic Garden Lighting

    2014-12-19 20:05:48340

    This circuit is a circuit diagram of garden lights automatically, can also be used as an automatic outdoor lights, by adding a very simple circuit usin...

  • Lightning Detector electronic circuit diagram

    2014-12-19 19:28:1173

    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...

  • LED Thermometer Circuit

    2014-12-19 19:25:0090

    Here is introduced about LEDthermometer circuit.LED thermometer is designed for in home use, to read temperatures between about 60 and 78 degrees Fahre...

  • Programmable voltage controlled timer

    2014-12-19 19:11:4977

    The ?μA2240 may easily be configured as a programmable voltage controlled timer with a minimum number of external components. The modulation input (pi...

  • 15?58VIN to 33.3V 3A LED Automotive Headlight Driver with Up

    2014-12-19 19:05:49138

    View Full Size Image View Original Design Note Airplanes and big trucks with 24V batteries need powerful,efficient and robust headlights and spotlights...

  • Voltage-Controlled Low-Pass Filter with LM13600 OTA

    2014-12-19 18:55:5590

    Below is a circuit that demonstrates one use of an OTA using an LM13600. Take a note that the strange symbol stand for OTA. In this circuit, negative f...

  • Design Of Fixed-off-time-controlled Pfc Pre-regulators With

    2014-12-19 17:52:4868

    Design Of Fixed-off-time-controlled Pfc Pre-regulators With The L6562 Two methods of controlling Power Factor Corrector (PFC) pre-regulators based on b...

  • Flashing Signal Alarm with LEDs Circuit

    2014-12-19 17:43:0676

    Flash signals for the AO-543 modules are derived form the fast- and slow flash outputs. The fast flash signal is generated by a oscillator circuit.ALED...

  • Voltage-Controlled Tone/Volume/Balance Circuit (LM1036)

    2014-12-19 16:53:51132

    This article describes the Voltage-Controlled Tone / Volume / Balance Circuit (LM1036). The content is very simple, very helpful. Components in this ar...

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