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  • Alternator Charging System Cutaway Schematic Diagram

    2018-11-11 03:01:2059

    A device which generates electricity to the elements and components in automotive used to be called as an alternator device. With a help of a drive-bel...

  • How to build Ultrasonic Dog Whistle

    2018-11-11 01:39:5559

    Description It's well known that many animals are particularly sensitive to high-frequency sounds that humans can't hear. Many commercial pest repeller...

  • How to build Repeating Interval Timer No2

    2018-11-11 01:01:0559

    Description This circuit is based on a simple asymmetric oscillator. The length of time the relay remains energized - and the length of time it remains...

  • How to build Repeating Timer No4

    2018-11-11 00:22:0359

    Description This circuit is very similar to Repeating Timer No.2. However - the addition of the light dependent resistor means that the operation of th...

  • How to build 3 Band Equalizer

    2018-11-11 00:15:4559

    Description A classic circuit of regulation of tone of three way, with which we can regulate low, mid and high frequencies, of acoustic signal. The boo...

  • The Millipede Circuit

    2018-11-10 23:58:3159

    The Millipede Circuit Me and a friend are both trying to build a millipede. Because of obvious reasons, the millipede is NOT going to have 1000 feet!!!...

  • Siemens S566B Electronic Touch Dimmer

    2018-11-10 23:50:0759

    Figure 1 The circuit was designed to create a lamp that incorporates the operation of a touch dimmer using S566B integrated circuit manufactured by Sie...

  • How to build Frequency Doubler with 4011

    2018-11-10 23:35:4059

    Description This frequency doubler uses one CMOS quad, two input NAND gate package type 4011. The frequency doubler proper consists of an inverter IC1B...

  • How to build Electromagnetic field detector

    2018-11-10 23:10:1559

    Circuit diagram Description: This lovely circuit is a real gem! Easy to assemble and more sensitive than many commercial devices available. It's based ...

  • Alternating Square Pulse Generator

    2018-11-10 22:53:2259

    Figure 1 The generator circuit was designed to produce alternating square pulses with vibrations in different parts of the circuit. 4027 – a dual JK ...

  • Liquid detector circuit diagram using logic gates

    2018-11-10 22:11:3659

    Sensors The liquid detector is a detector with liquid alternating voltage and can be built using some common electronic components. Voltage alternative...

  • Clap-Sensitive Relay with ON/OFF Feature

    2018-11-10 21:56:4359

    Figure 1 Parts List Clapping of hands is the main idea on how this circuit was built with the acknowledgement of a relay to cause the circuit to functi...

  • How to build Upto 73 Op-Amp Circuit Collection - PDF

    2018-11-10 21:56:3859

    Description This application note come from National Semiconductor and contains more than 73 circuit diagrams. You can download it from the bottom of t...

  • How to build Quiz Circuit

    2018-11-10 21:37:2959

    I've had a few requests for a quiz circuit, so here is a 4 input design which can easily be modified. Maybe, I should write the application notes in th...

  • How to build One-IC two-tones Siren

    2018-11-10 21:02:0759

    Double tone Police sound Single tone old ambulance sound Circuit diagram: Parts: R1,R3 470K 1/4W ResistorsR2 680K 1/4W ResistorR4 82K 1/4W ResistorR5 3...

  • How to build Surf Simulator Circuit Diagram

    2018-11-10 20:54:3159

    Description Do you long for a beach holiday on a tropical island, but you don’t have the necessary wherewithal? We’ve got just the answer: build th...

  • Electronic siren using LM389 IC

    2018-11-10 20:52:4659

    Audio Circuits This electronic siren is designed using LM389 chip. With transistors T1 and T2 was built astabil multivibrator whose frequency can be ad...

  • Time Delay Relay II Circuit

    2018-11-10 19:25:5859

    Time Delay Relay II Circuit When activated by pressing a button, this time delay relay will activate a load after a specified amount of time. This time...

  • System for solar orientation using common electronic parts

    2018-11-10 19:05:5259

    Sensors This is a very simple system for solar orientation which can be used for charging batteries, or for various applications that use solar energy....

  • How to build Water Level Indicator Circuit Schematic

    2018-11-10 18:39:5259

    Description The whole project was developed on a friend's request. Its purpose was to remotely monitor the water-level in a metal tank located in the a...

  • The MSC1210 Typical External Reset Circuit Schematic

    2018-11-10 18:38:0659

    Hereina typical reset circuit of the MSC1210-a precision Analog-to-Digital Converter (ADC) with 8051 Microcontroller and Flash Memory schematic that ca...

  • Thermostat Heating System

    2018-11-10 18:25:1859

    Figure 1 The purpose of the creation of this circuit is to provide a control over a central heating plan or a heating system by maintaining the indoor ...

  • Proximity detector electronic project circuit design

    2018-11-10 18:09:5259

    Sensors A very simple proximity detector can be made using this electronic scheme. This electronic circuit reacts to the presence of a conductive objec...

  • How to build Field-strength meter

    2018-11-10 17:58:5059

    Circuit diagram Original source: I saw this circuit in an old issue of 73 Radio Electronics. I built it, but it didn't work well, so I changed a few co...

  • How to build Smart Trailing Socket

    2018-11-10 17:25:2359

    Circuit diagram: Description This circuit consists of a Trailing Socket (also called Extension or Distribution Socket) or similar device where two, thr...

  • RS232 DB9 pinout

    2018-11-10 17:22:0259

    Pinout RS232 DB9 pinout description Pin Signal In/Out Description 1 DCD In Data Carrier Detect 2 RxD In Receive Data 3 TxD Out Transmit Data 4 DTR Out ...

  • How to build Relay Toggle Circuit Using a 556 Timer

    2018-11-10 16:33:4159

    Description The circuit below illustrates generating a single positive pulse which is delayed relative to the trigger input time. The circuit is simila...

  • Radiator temperature indicator circuit design electronic pro

    2018-11-10 16:27:1759

    Sensors This radiator temperature indicator can be designed using electronic circuit diagram bellow . Temperature indicator consists of two special zen...

  • Frequency Meter for 10 Hz to 100 kHz Input by 74121

    2018-11-10 15:28:0059

    Figure 1 This frequency meter is suitable for sinusoidal wave and square wave input signals. Minimum input potential must be 25mV(rms). Measurement ran...

  • How to build Jogging Timer

    2018-11-10 15:18:1059

    3V Battery powered Beeps after a fixed number of minutes Circuit diagram Parts: R1 47K 1/4W ResistorR2 10M 1/4W ResistorR3 1M 1/4W ResistorR4 12K 1/4W ...

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