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  • Radio Control Circuit using AT89C2051

    2015-03-02 21:39:54154

    This circuit is a series transmitter and receiver data via radio waves. This circuit is very simple and easy to manufacture. Here is a schematic drawin...

  • How to build Automatic Windshield Washer Control

    2015-03-02 21:35:4669

    Description Most, if not all, recent cars have an impressive amount of electronics, whether it be ABS brake systems, engine control with injection calc...

  • Tuxgraphics AVR Microcontroller (2N3053)

    2015-03-02 21:22:3369

    This article describes the Tuxgraphics AVR Microcontroller (2N3053). The content is very simple, very helpful. Components in this article can help you ...

  • Relay-Controller

    2015-03-02 21:17:14140

    Relay-Controller. With zero-gate bias applied, Q1 acts lilke an open switch, but when a DC voltage greater than 5 volts is applied to the input of the ...

  • MODEL RAILWAY TIME

    2015-03-02 21:12:26126

    Here is a circuit that will convert any clock mechanism into Model Railway Time. For those who enjoy model railways, the ultimate is to have a fast clo...

  • RX-5 4-Bit Remote Control RF Receiver Interface With 2 Relay

    2015-03-02 21:03:06190

    RX-5 4-Bit Remote Control RF Receiver InterfaceWith 2 Relay 2 Digital Outputs T he RX-5 receiver board is designed for use with the TX-4-PC RF transmit...

  • Single Phase Induction Motor Control Theory

    2015-03-02 20:57:51529

    The most used is single-phase induction motors. This motors operate with a single phase power supply, only have one stator winding and are also squirre...

  • Sound Operated Switches

    2015-03-02 20:57:16103

    Notes:This sensitive sound operated switch can be used with a dynamic microphone insert as above, or be used with an electret (ECM) microphone. If an E...

  • Temperature Controller for Crystal Oven (LM4040)

    2015-03-02 20:56:45137

    This article describes the Temperature Controller for Crystal Oven (LM4040). The content is very simple, very helpful. Components in this article can h...

  • Fill/Empty Water Level Controller CIRCUIT (1N4002)

    2015-03-02 20:54:1797

    A controller for keeping the water level stays? between upper and lower limits is described here. This water level controller is actually a water pump ...

  • Low voltage DC motor speed control circuit

    2015-03-02 20:42:4487

    Description. Here is the circuit diagram of a low voltage /low power DC motor speed controller based on the IC TDA 7274 from ST Microelectronics. The I...

  • Stereo Tone Control Circuit Diagram With LM1036 IC

    2015-03-02 20:40:40327

    Description: This is a stereo audio tone control This circuit will controll bass/treble level tone, volume and balance between right channel and left c...

  • BQ2000 charge controller

    2015-03-02 20:40:3796

    BQ2000 charge controller is pioneer product currently inpower source technology field. It intergrates each element circuit charge controller needed in ...

  • Fan control

    2015-03-02 20:30:3575

    This is a simple circuit that will do what you want I believe. R1 15k ohm resistor NTC Thermistor- 10k ohm, sold at Radio Shack in the states. P1 10k o...

  • High torque motor speed control

    2015-03-02 20:29:00371

    A bridge circuit consisting of two SCRs and two silicon rectifiers furnishes full-wave power to the motor. Diodes, D3 and D5, supply dc to the trigger ...

  • Step-Down Converter Controller(TPS64202)

    2015-03-02 20:12:2572

    This article briefly describes Step-Down Converter Controller (TPS64202). This principle is easy to understand, but also very practical. Depth understa...

  • Marking of AVR microcontrollers

    2015-03-02 20:11:3879

    There is quite big variety of AVR microcontrollers that ATMEL company produces. This article is about how to Extract information about AVR microcontrol...

  • LED5S5V Simplified LED low power tracker

    2015-03-02 20:11:20132

    I was looking for a much lower cost tracker for low power applications. One of these applications is a small lighting heliostat. This circuit uses smal...

  • High current bipolar stepper motor controller

    2015-03-02 20:09:5273

    Specifications High Current Bipolar Stepper Motor Controller kit is based on chopper drive. Chopper drive is a method of providing a constant current s...

  • Reed Switch as a Current Monitor

    2015-03-02 19:59:29170

    In this current monitoring circuit we use a Reed switch with a LED and a resistor to indicate if is current through a circuit. A Reed switch usually re...

  • DC motor controller

    2015-03-02 19:53:05120

    DC motor control circuit using NE555 Description. A simple DC motor controller circuit using NE555 is shown here. Many DC motor speed control circuits ...

  • Single Control Switch for Fan and Air-Conditioner(CD4017)

    2015-03-02 19:49:09597

    This article describes a Single Control Switch for Fan and Air-Conditioner (CD4017). The principle is very simple, very practical. The circuit componen...

  • L6203 Bidirectional DC Motor Control Circuit Diagram

    2015-03-02 19:43:20250

    The L6203 has a full H-bridge integration in a single package, it is ideally suited for controlling DC motors. The schematic diagram below shows L6203 ...

  • Automatic Loudness Control circuit (TL072)

    2015-03-02 19:42:49100

    Simple add-on module Circuit diagram: Parts: P1_________________10K Linear Potentiometer (Dual-gang for stereo)R1,R6,R8__________100K 1/4W ResistorsR2_...

  • Radio Control/RS-232 over FM Radio

    2015-03-02 19:39:4297

    Here isDecoderandEncoderforFM transmitterandFM radio Receiver, This circuit is a solution for transmit data in long distance. The RF Solutions RF600E, ...

  • Bass Treble Tone Control Circuit

    2015-03-02 19:36:06138

    Bass Treble Tone Control Circuit Bass and treble circuits can be combined to form a two control tone adjust circuit, as shown here. PARTS LIST R1 10kΩ...

  • LM2907 Motor Speed Control Part 1

    2015-03-02 19:33:28103

    We can purchase DC motors with or without brushes with ac tachometer outputs already provided by the manufacturer. A very low cost speed control can be...

  • AC Motor Speed Controller

    2015-03-02 19:30:2389

    This AC motor speed controller can handle most universal type (brushed) AC motors and other loads up to about 250W. It works in much the same was a lig...

  • TPIC46L01 Circuit Schematic for Fuel Injector Control Applic

    2015-03-02 19:28:3587

    The diagram below appearsTPIC46L01/02 and TPIC2601 circuit schematicthat are well-suited for fuel injector control applications. This circuit provides ...

  • Basic Radio Control Decoder (ZN414Z)

    2015-03-02 19:19:37124

    This article describes the Basic Radio Control Decoder (ZN414Z). The content is very simple, very helpful. Components in this article can help you unde...

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