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  • How to build IR Remote Control Jammer

    2015-03-02 06:38:2180

    Description Don't like your little brother's TV channel selection? Hate the volume your wife sets the stereo at? Want to just annoy someone? This circu...

  • Infra Red TV Remote Control Extender

    2015-03-02 06:34:4577

    Notes: This circuit was sent to me by Mr Guy Bocquillon from France. Now retired, and in his seventies, Mr Bocquillon keeps himself active in his hobby...

  • TV Remote Control Jammer(CQY37N )

    2015-03-02 06:27:4465

    This article briefly describes the TV Remote Control Jammer (CQY37N). Although this circuit is very easy to understand, but also very practical. Circui...

  • BVM1 - 12 Volt Battery Voltage Monitor

    2015-03-02 06:17:39139

    The BVM1 is an ultra low power ten LED battery voltmeter circuit that is optimized for monitoring solar-charged 12V battery systems. The circuit featur...

  • Basic Vox Circuit Controls PTT

    2015-03-02 06:05:0977

    They were missing a VOX if we are take a look at some of the budget priced HF transceiver. It would certainly be nice to have VOX capability although m...

  • Automatical opening and stopping control circuit of fish tan

    2015-03-02 05:59:1773

    It uses two 555 -based circuits. Its peripheral circuits have a similar structure, and the closed loop is formed by cross- connected capacitors C5 , C3...

  • Processor Fan Control

    2015-03-02 05:46:3773

    Fans in PCs can be objectionably loud. In many cases, the amount of noise produced by the fan can be considerably reduced by lowering its speed. Althou...

  • servo control the speed of a DC motor

    2015-03-02 05:43:53111

    Tachless motor Speed Controller shows a way to servo control the speed of a DC motor. The circuit senses the motors back EMF to determine its speed. Th...

  • Remote Control Extender Circuit

    2015-03-02 05:33:4372

    Remote Control Extender circuit has high noise immunity, is resistant to ambient and reflected light and has an increased range from remote control to ...

  • Mazda 626 cruise control circuit diagram

    2015-03-02 05:32:0476

    Reprinted Url Of This Article: http://www.seekic.com/circuit_diagram/Automotive_Circuit/Mazda_626_cruise_control_circuit_diagram.html...

  • 3 Zone Duress Alarm

    2015-03-02 05:27:0084

    This is a 3 zone alarm for use in high risk areas or possible duress situations. Typical examples being banking or betting booths. The alarm consists o...

  • Whistle Light Switch

    2015-03-02 05:17:06116

    With this whistle light switch you can turn on and off the lighting installation. The main part of this circuit is the UM3763 IC, produced by UMC. The ...

  • Zero Voltage Switching (ZVS) for Lamp Life Extender

    2015-03-02 05:05:1691

    This lamp life extender project is intended to create an appliance to enhance the existence of luminescent lanterns or lamps. Luminescent lanterns or l...

  • UBA2024 Compact Fluorescent Lamp Controller

    2015-03-02 05:02:4971

    TheUBA2024is a half-bridge IC and 550 V lamp controller. This device is equipped with 9 ohm switches that espouses standard CFL applications up to 15 W...

  • Hand clap electronic control circuit

    2015-03-02 05:02:4579

    This article presents a hand clap electronic control circuit. To better grasp this principle, you can combine text understandable that circuit. For a m...

  • Paraphase Tone Controller

    2015-03-02 05:02:20263

    As opposed to the widespread Baxandall circuit (dating back to 1952!) a paraphrase tone control supplies a straight frequency response as long as the b...

  • Voltage Levels Control Relays(TS924)

    2015-03-02 04:53:5674

    This article briefly describes Voltage Levels Control Relays (TS924). This principle is easy to understand, but also very practical. Depth understandin...

  • Rotative Speed Regulator Borer, Driller Controller(TIC106D)

    2015-03-02 04:47:50571

    This article describes the Rotative Speed ??Regulator Borer, Driller Controller (TIC106D). The principle is very simple, very practical. The circuit co...

  • Remote control using VHF modules Introduction

    2015-03-02 04:46:47109

    This article is remotely controlled using VHF module description. By convention, in order to better grasp the principles you are, we recommend you to c...

  • How to build Magnetic-Radiation Remote-Control

    2015-03-02 04:41:1166

    Short-range 35KHz operation, single-channel unit Simple circuitry, no outer antennas required Transmitter circuit diagram: Transmitter parts: R1 68K 1/...

  • Water Detector With Sump/Bilge Pump Controller

    2015-03-02 04:37:2073

    This moisture detector with pump controller is built around the special purpose LM1830 IC. The LM1830 is designed to detect moisture by passing an AC c...

  • Water-Level Control

    2015-03-02 04:30:59100

    This circuit will power up a water pump when the water reaches a predetermined level. Then it turns itself off when the water recedes to another predet...

  • Fan Speed Controller Using Op-Amp (2N3904)

    2015-03-02 04:09:56109

    We can make an enhancement to DAC drive fan controllers with the use of an external amplifier that closes the loop around the tachometer. Essentially l...

  • Automatic Fan Controller Electronic Circuit With 741 IC

    2015-03-02 04:05:32738

    Description: This circuit using 1N4001 or something and should be used if your relay type can handle more then 1 amp. If you like to make your own pcb,...

  • PIC16F877A Microcontroller Based Programmable Temperature Al

    2015-03-02 04:03:27121

    PIC16F877A Microcontroller Based Programmable Temperature Alarm . This project is based on LM35 temperature sensor. In this project user can watch curr...

  • Speed-Control for Small Asynchronous Induction Motor

    2015-03-02 04:01:0870

    On the circuit diagram below show us a schematic which is used to set the speed of a low-power induction motor, such as those which can be found in fan...

  • Analog Shunt-mode 12V 500mA Solar Charge Controller

    2015-03-02 03:59:40925

    This circuit is an analog alternative to the switching Shunt-mode Solar/Wind Charge Controller. It is one of the simplest ways to regulate the solar ch...

  • Control motor PWM schematic

    2015-03-02 03:57:20166

    In general there are two ways to control DC motor speed: by varying supply voltage and pulse width modulation (PWM). First control method is not conven...

  • Base / treble control circuit using LM10

    2015-03-02 03:47:3076

    The LM1036 is a DC controlled tone (bass/treble), volume and balance circuit for stereo applications in car radio, TV and audio systems. An additional ...

  • half-wave motor speed control

    2015-03-02 03:36:26451

    Small universal motors,such as AC motors DC motors make use of half-wave motor speed control.Half-wave motor speed controlmaximum can provide current c...

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