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  • Magnetic-Radiation Remote-Control

    2015-03-02 00:09:3073

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

  • Fan Speed Controller Using Op-Amp

    2015-03-02 00:07:2486

    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...

  • VARIABLE_VOLTAGE_REGULATOR

    2015-03-02 00:00:48119

    The variable voltage regulator lets you adjust the output voltage of a fixed dc power supply between 1.2 and 37 Vdc, and will supply the output current...

  • Thermoelectic controller (scriptable thermometer) CIRCUIT (D

    2015-03-01 23:57:4470

    This article describes the Thermoelectic controller (scriptable thermometer) CIRCUIT (DS2003). The principle is very simple, very practical. The circui...

  • PIC12C508A 8-Pin, 8-Bit CMOS Microcontrollers

    2015-03-01 23:56:35231

    INTRODUCTIONThis project is part of our Microcontroller course. One of the basics of the course is to show how to adapt a project to suit a PIC12c508A....

  • Switched mode motor speed controller

    2015-03-01 23:53:2482

    The speed is controlled by the motor voltage. The power switch runs in PWM mode and its duty cycle changes linearly to control the speed according to t...

  • LTC2997 temperature fan speed controller circuit design

    2015-03-01 23:53:1670

    Motor drivers A very simple electronic temperature fan speed controller circuit can be designed using this schematic circuit diagram . This temperature...

  • Stepper Motor Controller electronic circuit diagram

    2015-03-01 23:34:04648

    This project allows you to control the speed, direc-tion, and step size of a unipolar four-phase step-per motor. The controller is capable of handling ...

  • 2N4990 Motor electronic speed control

    2015-03-01 23:26:49216

    Motor controllers can be manually, remotely or automatically operated. They may include only the means for starting and stopping the motor or they may ...

  • Temperature controller using Microchip PIC16F877A Microcontr

    2015-03-01 23:18:3186

    In continuously monitoring the surrounding temperature of industrial applications Temperature Monitoring Control System play vital role. A simple proto...

  • How to build Unipolar Stepper Motor Controller

    2015-03-01 23:13:5198

    Description This is a very good integrated circuit. There is no need for any external glue logic to drive the circuit, there is only 2 pins to drive th...

  • Remote Control Mains Switch

    2015-03-01 23:12:0975

    As the only electronics engineer in my family and circle of friends, it is sometimes not possible to evade an appeal for help. This time the request ca...

  • TPS2331 Hot Swap Controller

    2015-03-01 23:05:5177

    The load inrush current is limited by the TPS2331. The system also protected by TPS2331 from a load fault in its traditional tole as a hot-swap control...

  • Bass-treble Tone Control Circuit With LM1035N IC

    2015-03-01 23:02:19267

    Description: The following circuit shows about Bass-treble Tone Control Circuit electronic circuit diagram. This circuit based on the? LM1035N IC. Feat...

  • LMD18200 for Sensing and Controlling Motor Current Circuit D

    2015-03-01 23:01:14117

    The herein schematicdiagrams the LMD18200 with its current sensing featurethat provides an easy ways of sensing and controlling the motor current. Thro...

  • 3-axis stepper motor controller for PC parallel port CIRCUIT

    2015-03-01 23:00:5581

    This article describes a 3-axis stepper motor controller for PC parallel port CIRCUIT (MC7805T). The principle is very simple, very practical. The circ...

  • How to build Water Pump Relay Controller Circuit Schematic

    2015-03-01 22:39:3081

    Description By means of a Relay, employed to drive a water pump, this circuit provides automatic level control of a water reservoir or well. The shorte...

  • Controlling thermonuclear reactions

    2015-03-01 22:30:53112

    At the current rate of the usage of the energy which is obtained from the fossil fuels such as the crude oil and the other non renewable sources of the...

  • UP/DOWN Ramp Control With M747 IC

    2015-03-01 22:30:05109

    Description: This circuit bellow shows a UP/DOWN Ramp Control. This circuit based on the LM747 1N914 DG387CJ H11AA1 IC. Siliconix DG387CJ solid-state r...

  • Control signal Automatic Fader by LF351

    2015-03-01 22:26:0092

    This be Control signal Automatic Fader circuit , help fine decorate or control sound signal tallly or low follow want. In model the automatic convenien...

  • Pump Controller Circuit

    2015-03-01 22:17:4181

    Function: run the pump when the water in the solar collector is hotter than the storage tank.? Component: voltage, diode D1, speakers, transformers, mi...

  • Mic/Guitar Compressor with Transitor Bias Control

    2015-03-01 22:17:4185

    This is a compressor circuit that can be used for dynamic mic, condenser mic, or electric guitar pickup. This circuit doesnt produce very good sound ou...

  • LM1036 Stereo Tone Controller Circuit

    2015-03-01 22:15:08201

    LM1036 Stereo Tone ( Bass, Treble, Volume, Loudness, Balance ) Controller Circuit The LM1036 is a DC controlled tone (bass/treble), volume and balance ...

  • Bass-treble tone control circuit

    2015-03-01 22:09:5889

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

  • Transition-mode PFC Controller

    2015-03-01 22:04:20178

    Transition-mode PFC Controller TheL6562Ais a current-mode PFC controller operating in Transition Mode (TM). Coming with the same pin-out as its predece...

  • Radio Remote Control Using DTMF

    2015-03-01 22:00:41132

    This circuit is a circuit diagram of a remote control using DTMF. Actuality we achieve the use of DTMF (dual tone multi-frequency) signals (used the ph...

  • More about microcontroller oscillators

    2015-03-01 21:58:3878

    Choice of the microcontroller oscillator depends on many factors. Before choosing one you should consider: Cost, accuracy and environmental parameters....

  • Control System Circuit Diagram For 1997 Chevrolet Cavalier C

    2015-03-01 21:55:31175

    Description: The following circuit shows about 1997 Chevrolet Cavalier Cruise Control System Circuit Diagram. Feature: compact automobile, different tr...

  • Auto Retry for MAX1637 Step-Down Controller

    2015-03-01 21:55:2567

    On telecom applications, the MAX1637 is a popular device. This device offer a lot of advantages such as PWM operation, small size, high MOSFET-drive ca...

  • An Amp and tone controls and soft-switching circuit

    2015-03-01 21:50:3785

    This article describes an Amp and tone controls and soft-switching circuit. The principle is simple and effective. Schematics can combine text look bet...

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