Position: Index > Control Circuit >
  • Stepped Volume Control(CD4066)

    2015-03-02 12:42:42515

    This article briefly describes the Stepped Volume Control (CD4066). This principle is easy to understand, but also very practical. Depth understanding ...

  • Remote control using VHF modules

    2015-03-02 12:29:02103

    A few designs for remote control switches, using VG40T and VG40R remote control pair, are shown here. The miniature transmitter module shown in Fig. 1,...

  • Automatic Fan Controller

    2015-03-02 12:28:34267

    Description Th1, the 50K thermistor, is a standard type. Mine was a bar or rectangular looking thingy. Available from Tandy/Radio-Shack. Almost any typ...

  • Microcontroller Development tools on USB stick

    2015-03-02 12:27:5272

    Looking for compact but flexible, simple and cheap development board? You should consider this nice list of microcontroller USB-Stick tools. These are ...

  • Launch controller for multiple rockets (BC107)

    2015-03-02 12:25:2665

    This article describes the Launch controller for multiple rockets (BC107). The content is very simple, very helpful. Diagram showing the principle is a...

  • Microcontroller MIDI interface CIRCUIT (1N4148)

    2015-03-02 12:22:4691

    This article describes the Microcontroller MIDI interface CIRCUIT (1N4148). The principle is very simple, very practical. The circuit components can he...

  • Gas smoke alarm circuit

    2015-03-02 12:17:2495

    TGS308 gas sensor conductance ( Figure 5.18 ) increases in the event of combustible gas, and the voltage is got by the potentiometer RP1 slide point, a...

  • Baxandall Tone Control Using CA3140 Op-Amp

    2015-03-02 12:12:40153

    Operational amplifiers for tone control circuit application require high slew rate, wide bandwidth, high input impedance, and high output current chara...

  • I2C EEPROM Programmer With AT2313 microcontroller &

    2015-03-02 11:43:55152

    Description This EEPROM programmer reads, writes and erases IC 24C EEPROM devices. It has a PC serial port interface. The programmer needs 5VDC power s...

  • Microcontroller Brown-out detection

    2015-03-02 11:40:34129

    Mostly all microcontrollers have built in Brown-out detection (BOD) circuit, which monitors supply voltage level during operation. BOD circuit is nothi...

  • Delayed shutter control for Kodak DC-20 (LM78L05)

    2015-03-02 11:24:2675

    This article describes the Delayed shutter control for Kodak DC-20 (LM78L05). The content is very simple, very helpful. Diagram showing the principle i...

  • Simple Methods Reduce Input Ripple for All Charge Pumps

    2015-03-02 11:18:42111

    Charge pumps are a form of DC-DC converter that rely on capacitors instead of inductors for energy storage and transfer. The absence of inductors makes...

  • How to build Automatic Loudness Control Circuit Schematic

    2015-03-02 11:18:3073

    Description In order to obtain a good audio reproduction at different listening levels, a different tone-controls setting should be necessary to suit t...

  • 4 Decoded Toggle Switches

    2015-03-02 11:12:3990

    The circuit above illustrates using the IR receiver module along with a PIC12F629 microcontroller to decode 5 individual IR remote control keys so the ...

  • Unplugable Walk Around Control and Delayed Reversing Schemat

    2015-03-02 11:07:5995

    next up is the basic transistor throttle with unplugable walk around control added. The direction memory uses an LM339 quad comparator and has a delaye...

  • Atmel 8051 Flash Based-Microcontroller Programmer (82C55A)

    2015-03-02 11:04:39136

    This article describes the Atmel 8051 Flash Based-Microcontroller Programmer (82C55A). The principle is very simple, very practical. The circuit compon...

  • Alarm circuit diagram using op amp

    2015-03-02 11:02:19107

    A1 and A2 form the two-stage amplifier which can amplifer output signal of pyroelectric sensor IRA-E006SX to a desired level. A3 is a comparator, and R...

  • Home Wireless Switch Control Circuit

    2015-03-02 10:51:1179

    In general,appliances are controlled by means of switches at home.But physical contact with switches may be dangerous If our body is touched it.The cir...

  • Series-Wound Direction And Speed Motor Control circuit

    2015-03-02 10:49:18143

    This is a motor controller circuit that control the speed and direction of series-wound Motors. This circuit employs silicon controlled rectifiers (SCR...

  • Toshiba TB6560 bipolar controller

    2015-03-02 10:43:151116

    Toshiba TB6560 bipolar controller It is, nowadays, very common on the market (ebay for instance) to find a lot of controllers based on a very cheap ic:...

  • Strobo controller

    2015-03-02 10:37:4365

    Summary of circuit features Brief description of operation: Remote controller for professional lighting system stroboscope, controls the flashing speed...

  • Motorcycle Alarm No.8

    2015-03-02 10:37:05100

    This is a simple motorcycle alarm - with a time limit on the siren. While the thief continues to move the bike - and the normally-open trigger switch c...

  • Avr Atmega8 Microcontroller

    2015-03-02 10:21:21108

    In my previous article, I’ve discussed aboutATmega32. Now, let me introduce another member of AVR microcontroller family, the ATmega8. This member ha...

  • Mosfet RC Model Motor Control

    2015-03-02 10:15:2079

    As modern MOSFET transistors are developed with lower ON resistance and smaller packages, Electronic Speed Controls (ESC) follow. By using a microcontr...

  • STM32F103-HB header board for ST CORTEX-M3 controllers

    2015-03-02 10:12:0097

    Header board for microcontrollers STM32F103 - the universal board enabling easily and quickly to start to work with ST Cortex-M3 microcontrollers. The ...

  • Infrared Toy Car Motor Controller(CD4017 )

    2015-03-02 10:08:51150

    This article briefly describes the Infrared Toy Car Motor Controller (CD4017). This principle is easy to understand, but also very practical. Depth und...

  • VOLTAGE_MONITOR

    2015-03-02 10:08:18180

    Developed for use in systems having multiple DC bias voltages, to prevent damage when one supply voltage goes down while other5 remain normal. Control ...

  • Solar/Wind charge controller with shunt mode methode circuit

    2015-03-02 10:01:53118

    This article describes the Solar / Wind charge controller with shunt mode methode circuit diagram (TLC2272). The content is very simple, very helpful. ...

  • DC Fan Controller circuit

    2015-03-02 09:53:2892

    This circuit is ideal to control the cooling fan of heat generated electronic gadgets like power amplifiers. The circuit switches on a fan if it senses...

  • ATmega32 AVR Microcontroller

    2015-03-02 09:40:1589

    Hi all, We are introducing you to a new authorRakesh Butetoday.Rakeshis an engineering student in the stream of Applied Electronics and Instrumentation...

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