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  • Polarity Reverser

    2018-01-17 11:03:3659

    There are systems in which it is imperative that the supply voltage of, say, a motor, always has the correct polarity. It is, of course, possible to us...

  • When The Siren Sounds - A Useful Circuit

    2018-01-17 10:48:1159

    In Greek mythology, a siren was a demonic being (half bird, half woman). Later on this idea was transformed in art into a mermaid: a combination of a f...

  • Laboratory ASTM RS-232 Wiring

    2018-01-17 09:41:4959

    This connection interface using 2 connector, see the connector on Laboratory machine if its using DB25 you should use the top schematic, if DB9 you mus...

  • the constant design guide 80 who is the most suitable for CR

    2018-01-17 09:30:5559

    Transistor technology, October 2000 years issue the constant design guide 80 who is the most suitable for CRL The CR constant of the power MOS-FET high...

  • The Outstanding AVR based SCSI RAM Disk

    2018-01-17 09:15:1559

    Have you ever heard about the SCSI before? If you haven't, then you should hang out here and read on the article... For your information, SCSI is the s...

  • Full-duplex Intercom

    2018-01-17 09:07:1559

    No complex switching required, Simple circuitry, 6-12V supply This design allows to operate two intercom stations leaving the operator free of using hi...

  • AVR Embedded Web Server

    2018-01-17 08:03:4359

    The AVR embedded web server reference design is designed for integration in digital equipment. The AVR embedded web server can be plugged into any Ethe...

  • Pump it up: Mp3 Booster

    2018-01-17 07:46:5559

    MP3 players are all the rage these days. The smaller ones in memory-stick format are particularly easy to take with you; your very own personal sound s...

  • Amicus ? Arduino like PIC board

    2018-01-17 07:38:1859

    No surprise that there are lots of attempts to repeat Arduino success. And this is great – more tools more choice – more cool projects. So here it ...

  • Temporarily Silencing A Smoke Detector

    2018-01-17 07:29:1159

    It provides a means of temporarily silencing a battery-powered smoke detector after youve burnt the toast, scorched the baked beans or whatever! Unlike...

  • An Arduino Compatible Using CP2102

    2018-01-17 07:02:2959

    An Arduino Compatible Using CP2102 Standard Arduino boards use FTDIs FT232RL to interface with computers USB port. Since FT232R is just a USB to UART c...

  • Automatic Water Tank Filler Circuit Diagram

    2018-01-17 06:40:3459

    This circuit has been very useful in filling a header tank for a reticulated water supply on a farm. Eight troughs are supplied in different paddocks w...

  • GSM Sniffer Circuit

    2018-01-17 06:39:1759

    This is a mobile sound sniffer racecourse that can discover the signals being misused in the GSM (International System for Changeable Communication) st...

  • EKG/EEG circuit

    2018-01-17 06:18:2459

    Related posts: Digital pedometer circuitQuiz game circuitQuiz show indicator Reprinted Url Of This Article: http://howcircuits.com/ekgeeg-circuit.html ...

  • Cuckoo Sound Generator Circuit Schematic

    2018-01-17 06:15:1759

    Agreeable, very close sound imitation, Suitable for sound effects, door-bells etc. This circuit generates a two-tone effect very much alike the cuckoo ...

  • Some applications using I2C

    2018-01-17 06:10:4559

    Some applications using I2C Parallel and serial ports are disappearing from todays pc making life harder for the people who wants to connect their home...

  • The Amazing Fabrica Touch Will Bring Joys to Your Life!

    2018-01-17 05:46:1359

    Have you ever seen the on the technology or electronic exhibitions and found out some amazing touch screen, where the screen can changes according to y...

  • Room Recorder

    2018-01-17 05:17:4859

    My wife was working on a doctoral dissertation and needed to do some field work involving personal interviews in various settings. What would be the be...

  • Room Noise Detector Circuit Schematic

    2018-01-17 04:58:2559

    One LED monitors three levels: 50, 70 85 dB, Useful to detect too noisy environments This circuit is intended to signal, through a flashing LED, the ex...

  • Solid State Tesla Coil Circuit

    2018-01-17 03:13:0659

    Similar to the two transistor solid state Tesla Coil already on this site, this solid state Tesla Coil design uses a normal flyback transformer to gene...

  • The Big Red Juicer

    2018-01-17 03:12:1559

    The Big Red Juicer IntroductionDesignResultsConclusionAppendix Introduction The Juicer is a wirelessly controlled, programmable juice maker which will ...

  • Navigator 555A radio direction finder (RDF) circuit diagram

    2018-01-17 02:30:4359

    Related posts: Huge LED Antenna Direction Display (part 1)Huge LED Antenna Direction Display (part 2)Ultrasonic range finder circuitMMC to PIC16F876 ci...

  • 13.8 Volt 20PSU

    2018-01-17 02:22:2159

    13.8 Volt 20PSU[more] : This is a Regulated DC power supply with short circuit protection and with current limiter. Related posts: LOW POWER 12,000 VOL...

  • MMC to PIC16F876 circuit diagram

    2018-01-17 00:50:5759

    Related posts: Giant money counter (PIC16F876) Reprinted Url Of This Article: http://howcircuits.com/mmc-to-pic16f876-circuit-diagram.html Declaration ...

  • TRF AM Receiver circuit

    2018-01-17 00:30:0559

    TRF AM Receiver circuit Related posts: CW RECEIVER 40/80 meter CW receiverAM receiver for aircraft communicationsAM BCB radio receiverSOP receiver (PDF...

  • Bass Booster Circuit

    2018-01-17 00:22:0359

    Increase the bass output of your present instrument at modest cost! Bass Boost is today's sound... whether it's the driving, gut-vibration pulsation of...

  • Pulse Generator And Signal Tracer Circuit Diagram

    2018-01-16 23:46:1359

    Dual-purpose test-instrument, Very simple circuitry, 1.5V Battery-operated This simple circuit generates narrow pulses at about 700-800Hz frequency. Th...

  • Cricket Chirping Generator Circuit Diagram

    2018-01-16 23:29:4459

    Funny gadget for props and jokes, 5 - 12V Battery operation This circuit generates an astonishingly real imitation of the chirping of the cricket. A su...

  • 13 Different Types of Engineering Explained

    2018-01-16 23:18:0859

    Electronic Engineering Design Electronic Engineering Design As a student considering your options for college or university, the choices can be overwhe...

  • Multitone Siren

    2018-01-16 23:11:3859

    This multi-tone siren is useful for burglar alarms, reverse horns, etc. It produces five different audio tones and is much more ear-catching than a sin...

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