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  • Review on AVR serial and parallel microcontroller programmer

    2015-03-03 23:55:20241

    Its been a lot written about AVR microcontroller programmers. This article concludes most common programmers. The easiest programming method is Serial ...

  • Infrared Remote Control Decoder (SAA3049A)

    2015-03-03 23:45:24133

    This article describes the Infrared Remote Control Decoder (SAA3049A). The content is very simple, very helpful. Components in this article can help yo...

  • Infrared Remote Control Decoder

    2015-03-03 23:37:44120

    This is a infrared Remote Control Decoder circuit. This circuit uses the SAA3049A which is used to check and convert the received coded data (RECS80/RC...

  • Relay Economy Circuit

    2015-03-03 23:34:07148

    Relays continue to be useful and popular, but in low-power, battery operated applications they tend to be power wasters. The following relay economy ci...

  • IC Can be Thermostat Controller Schematic

    2015-03-03 23:32:3397

    As shown by the built-in temperature sensor TC620triac to control the temperature control. Adjustment circuit Rp1 and Rn, respectively, to change the l...

  • Automotive Windshield Wiper Control

    2015-03-03 23:30:0589

    The Automotive Windshield Wiper Control have a good way to set the interval circuit windshield wipers. Automobile wiper controls, together with the gro...

  • H Bridge motor control circuit using L298

    2015-03-03 23:21:34137

    H Bridge Motor Control Given below is an H bridge motor?control and ?driver circuit using IC L298 Description : A bidirectionalH bridgeDC motor control...

  • A Truly Unbeatable DIY MIDI Controller

    2015-03-03 23:18:0093

    Dreaming of having a MIDI controller but you cannot afford to buy it? Why bother buying it as you can DIY? It's easy to set up a MIDI controller. Befor...

  • Web-Based programmable logic control (PLC)

    2015-03-03 23:13:20103

    Today there are very rapid development of technology and progress, these developments require humans to continue to innovate to create tools that can h...

  • Easy Build Motorcycle Alarm

    2015-03-03 23:07:35110

    The following circuit is a simple, cheap and easy build motorcycle alarm. The circuit just required 2 transistors to drive the relay the the relay act ...

  • Automatic Windshield Washer Control

    2015-03-03 23:04:4278

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

  • Back emf motor speed control

    2015-03-03 22:52:33447

    The use of powerMOSFETsallows a direct interface between logic and motor power, which permits circuit simplicity as well as high efficiency. This speed...

  • Telephone Record Control by 2N4360 FET, 2N2222 and 2N2102

    2015-03-03 22:51:32102

    Figure 1 You can connect your phone to any recorder device which has a mic and remote control input. This circuit automates the recording process when ...

  • How to build Step-Down Converter Controller

    2015-03-03 22:46:1590

    Description The TPS6420x controller is designed to operate from one to three series-connected cells or from a 3.3 V or 5 V supply obtained from a USB p...

  • Triac gas - smoke alarm circuit schematic

    2015-03-03 22:40:3096

    In the event of combustible gas, the conductance of TGS308 gas sensor increases, and the voltage is removed through the potentiometer RP1 slide point, ...

  • Solar Panel Charge Controller / Low Voltage Disconnect Circu

    2015-03-03 22:32:54197

    This Solar Power Center design appeared as a pair of articles in Home Power Magazine. The charge controller is used to connect a solar panel to a 12 vo...

  • Single MOSFET Relay Toggle Circuit

    2015-03-03 22:31:28108

    This circuit is similar to the one above, but uses a N channel mosfet such as IRF530, 540, 640, etc. in place of the NPN transistor. Smaller mosfets co...

  • DC Push Button Motor Control Circuit (TIP31)

    2015-03-03 22:26:5998

    This article describes the DC Push Button Motor Control Circuit (TIP31). The content is very simple, very helpful. Diagram showing the principle is as ...

  • Bi-Directional Motor Control CIrcuit With NE555 IC

    2015-03-03 22:04:08109

    Description: This circuit shows about Bi-Directional Motor Control CIrcuit With NE555 IC. Features: 12V DC power supply, IC is used to control the rela...

  • Accurate Bass Tone Control Circuit Diagram With OPA627 IC

    2015-03-03 22:03:21112

    Description: The following circuit shows about Accurate Bass Tone Control Circuit Diagram. This circuit based on OPA627 IC, Features: step size is 1.25...

  • Introduction to Microcontrollers

    2015-03-03 22:02:2579

    Having known about the architecture of the PIC16F84A, lets dive into learning how to actually program the controller. As you all know(If you have read ...

  • Sound control, dimming commercial colored lamp control circu

    2015-03-03 22:01:1875

    This circuit is colored lamp, dimming double-duty controller. It is direct conreolled by the musical sound of audio device, the brightness can be discr...

  • PIC microcontroller servo motor interface (PIC16F84)

    2015-03-03 21:53:0088

    This article describes the PIC microcontroller servo motor interface (PIC16F84). The content is very simple, very helpful. Components in this article c...

  • Atmel 89C Series Flash Microcontroller Programmer (LM8051)

    2015-03-03 21:52:3487

    This article describes the Atmel 89C Series Flash Microcontroller Programmer (LM8051). The principle is very simple, very practical. The circuit compon...

  • Basic Toy Throttle - Push Button Control

    2015-03-03 21:52:2494

    This next circuit is a variation on the Basic Toy throttle. In this version three push buttons are used to control the output.Button S1 causes the trai...

  • 12V LDO Solar Charge Control

    2015-03-03 21:48:1997

    This Low Dropout Voltage (LDO) solar charge control uses a simple differential amplifier and series P channel MOSFET linear regulatortheir compatibilit...

  • Servo Motor System Controller

    2015-03-03 21:37:0987

    This is a Servo System Controller circuit. This circuit is used to control a servo motor remotely. This circuit uses the 555 and requires only six extr...

  • An Alarm Control Keypad Circuit

    2015-03-03 21:27:3775

    IC is a quad 2-input AND gate, CMOS4081. The alarm will turn off when the four linkage A, B, C, D is to promote the correct order. Circuit works becaus...

  • Model Railway Turnout Control

    2015-03-03 21:26:19168

    This small circuit can be used to control model railway turnouts operated by AC voltages. A logic level in the range of 512 V can be used as the contro...

  • LONG DELAY TIMER 2

    2015-03-03 21:22:00119

    A max. delay of 20 hours is achieved by this relatively simple circuit. A permanent ground, or no signal, at the trigger input starts the timer. A grou...

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