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  • Simple Humidity Sensor

    2015-01-09 19:48:01104

    You can use a humidity sensor to give an alert of boat leakage, or when your books start being flooded by heavy rain attack on your broken roof, or any...

  • Simple Wlen-Bridge Oscillator

    2015-01-09 19:41:3173

    In this circuit, the Wen-bridge network provides phase shift, and the lamp regulates the amplitude of the osc illations. The smooth, limiting nature of...

  • Simple Sine-Wave Generator Circuit

    2015-01-09 19:31:3097

    A 555 timer operating in the astable mode generates the driving pulses and two 4518 dual BCD (binary coded decimal) counters provide the square waves. ...

  • Simple Intercom Circuit Transistor

    2015-01-09 19:12:24173

    Circuit diagram is a simple but effective circuit intercom circuit is based entirely on transistors. Circuit diagram is based on three stages plus RC a...

  • Simple dynamic LED display drive

    2015-01-09 18:49:49146

    I have got a simple 4 digit LED display routine. This is simulated using Proteus simulator. So in the picture you see simplified version of circuit. In...

  • Simple Serial AVR Programmer (ATmega103)

    2015-01-09 18:48:51209

    This article describes the Simple Serial AVR Programmer (ATmega103). The content is very simple, very helpful. Components in this article can help you ...

  • Simple Automatic Air Flow Detector Circuit and Circuit Board

    2015-01-09 18:31:26296

    This circuit is a simple detection of air flow, this circuit can be signaled in the event of air flow. The sensor used is a filament incandescent lamps...

  • Simple event counter CIRCUIT (LM7805)

    2015-01-09 18:24:53135

    This article describes the Simple event counter CIRCUIT (LM7805). The content is very simple, very helpful. Components in this article can help you und...

  • Simple but powerful Function generator

    2015-01-09 18:23:1285

    The generator was build and tested by nuxie1 using XR-2206 function generator IC, which is capable to generate sine, square, ramp and pulse waveforms i...

  • Simple 5V power supply circuit

    2015-01-09 18:21:4273

    Related posts: Short circuit protected power supply from PC 12V supply30V power supply with 5V12V 30A power supply13.5KV power supplyBasic UPS Power Su...

  • Simple Staircase Generator

    2015-01-09 17:42:53156

    U2 is a decade counter /divider, Ul is used as a switch debouncer. For a self-generating system, connect a resis tor between pins 2 and 3 of a Ul value...

  • Simple led watt monitor

    2015-01-09 17:35:54269

    This circuit is the principle of divided voltage. And current divided. Before you take the LED display up to 80 Watt. Operation of the circuit when cur...

  • Simple Low-Frequency Receiver

    2015-01-09 17:20:00129

    Using an NE602 heterodyne detector and Ul as an RF amplifier, this receiver tunes the middle portion of the l ow-frequency spectrum from 150 to 250 kHz...

  • Simple light sensitivity Metronome using 2N3904

    2015-01-09 17:18:42242

    This is Simple light sensitivity Metronome circuit. It use the transistor 2N3904 numbers and 2N3906 make to are origin frequency circuit. By the freque...

  • A simple metronome circuit

    2015-01-09 16:57:4969

    This article presents a metronome circuit. To better grasp this principle, you can combine text understandable that circuit. For a more thorough grasp ...

  • The simple introduction of the floppy disk power

    2015-01-09 16:41:4268

    This article is a brief introduction of the floppy diskpower. Do you have any idea on the floppy disk power and ideas, welcome to contact us. At the sa...

  • Simple TTL to RS232 adapter

    2015-01-09 16:32:27536

    During spare time I made quick design of TTL to RS232 adapter, that works with my AVR development board. This adapter helps to connect TTL (Transistor-...

  • Simple Variable Voltage Regulator Circuit with LM317 circuit

    2015-01-09 16:28:5493

    Here is a simple variablevoltage regulatorusing ic LM317 circuit. The voltage regulator is an LM317T, and should accept up to about 14 volts without pr...

  • Simple Remote Control Tester(BP103)

    2015-01-09 16:25:24224

    This article describes the Simple Remote Control Tester (BP103). The principle is very simple, very practical. The circuit components can help you unde...

  • Simple Mains Voltage monitor

    2015-01-09 16:20:3178

    This Circuit helps in the monitoring of mains supply voltage. It does not use a isolation step down transformer. This has to be constructed only by ski...

  • Simple-ir-detector

    2015-01-09 16:16:2286

    This simple IR detector turns on a real LED when Q2 is exposed to invisible IR radiation found in fiber-optics systems, position sensors, and TV remote...

  • Simple slant (tilt) alarm switch circuit (BC109)

    2015-01-09 15:59:42122

    This article describes the Simple slant (tilt) alarm switch circuit (BC109). The principle is very simple, very practical. The circuit components can h...

  • Simple electronic fuse.

    2015-01-09 15:45:15100

    Description. This is perhaps one of the simplest electronic fuse circuit one can make. The circuit uses only one transistor, one SCR, one push button s...

  • Simple-ham-band-receiver

    2015-01-09 15:13:40111

    This circuit is configured for the 80m band. The 365-pF, broadcast-band variable capacitor should have a vernier drive with a six-to-one ratio, which m...

  • Simple car battery charger Use 1N4007

    2015-01-09 14:53:1185

    The circuit is simple to use1N4007 car battery charger. You understand the simple car battery charger circuit diagram, we give you about simple car bat...

  • HI-FI simple Tone Control Circuit using the LM301A

    2015-01-09 14:51:47191

    This circuit is a simple series of tone control circuit. This tone control circuits using OP-AmpLM301A. The JFET2N3684 provides high input impedance fu...

  • Simple pH Meter CIRCUIT (TL081)

    2015-01-09 14:27:44621

    pH Meter Circuit pH meter measures the voltage (the EMF, electromotive force) generated by the pH electrodes (the sensor) to show the hydrogen concentr...

  • Simple FM Transmitter

    2015-01-09 14:08:0699

    Simple FM Transmitter Mini FM transmitters take place as one of the standard circuit types in an amateur electronics fan's beginning steps. When done r...

  • Simple field strength meter circuit (1N34)

    2015-01-09 13:50:39207

    This article describes the Simple field strength meter circuit (1N34). The content is very simple, very helpful. Components in this article can help yo...

  • Simple 555 Vco

    2015-01-09 13:29:3993

    The VCO has an output frequency that ranges from 1500Hz at V;,= 1 V to 300Hz at V;,=5 V. R1 or C1 can be varied to change th is range. U2 provides a sy...

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