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  • The finger touch high power sound-light alarm circuit

    2014-11-22 08:11:3973

    See as the figure, the circuit consists of the touch type power switch, controllable silicon trigger lamp circuit, whistle sound making circuit and aud...

  • TACHOMETER_ADAPTER

    2014-11-22 06:47:0886

    Use of a phototransistor and light source can enable a frequency counter to act as a tachometer:The light source is interrupted by the number of propel...

  • IR-Linked Temperature Sensor

    2014-11-22 06:20:2170

    This is a circuit that transmits temperature data over an IR link and it allows the isolation of temperature sensor. It is a good solution of obtaining...

  • Clear Glass Sensor

    2014-11-22 05:11:29100

    Industrial grade clear glass sensor modules are widely available but not within the reach of an average electronics hobbyist. The simple clear glass se...

  • Integrated Proximity and Ambient Light Sensor(VCNL4000)

    2014-11-22 04:52:3281

    This article describes the Integrated Proximity and Ambient Light Sensor (VCNL4000). The principle is very simple, very practical. The circuit componen...

  • Circuit Diagram Of Motor Control Sensor Feedback

    2014-11-22 03:44:4778

    Description:This following circuit shows about Circuit Diagram Of Motor Control Sensor Feedback. Features: improve the reliability, used to sense the (...

  • Temperature-sensor

    2014-11-22 00:57:5885

    The temperature sensor provides an input to pin 3 of the NE5037 of 32 mV/?°C. This 32 mV is the value of one LSB for the NE5037. The LM334 is a three-...

  • Water Switch Sensor Circuit

    2014-11-21 23:14:15129

    Possible applications for this water switch circuit: rain alarm, watertap leak detector, water level sensor for bathroom water heaters, wetness checker...

  • Sensor switch circuit 9 channels

    2014-11-21 22:33:3973

    Sensors This sensor switch circuit diagram is designed using CMOS components. This sensor switch circuit has nine channels and consist of only three in...

  • Magnetic Field Sensor circuit

    2014-11-21 20:59:12103

    This DIY magnetic field sensor circuit is very simple and can detect fixed magnetic fields or fields that are varying at an audio frequency. The unit i...

  • AMBIENT_LIGHT_GNORING_OPTICAL_SENSOR

    2014-11-21 20:07:2271

    A resonance-tuned narrow-band amplifier reduces this optical object detector's sensitivity to stray light. C1 and L1 in IC2A's feedback loop cause the ...

  • AD586/597 Temperature Transducer (Sensor)

    2014-11-21 18:10:03103

    This is a stand alone temperature transducer/sensor circuit. This device uses The AD596/AD597, employing its internal junction compensation temperature...

  • Capacitive-sensor-alarm

    2014-11-21 12:38:54188

    The unit is constructed around a balanced-bridge circuit. using both capacitance and inductance. The bridge consists of capacitors C2 and C3, and the c...

  • Fog Lamp Sensor Circuit(P521)

    2014-11-21 12:28:04217

    This article briefly describes the Fog Lamp Sensor Circuit (P521). This principle is easy to understand, but also very practical. Depth understanding o...

  • NATIONAL_SEMICONDUCTOR

    2014-11-21 11:34:0766

    A circuit for use with grounded thermocouples is shown. To trim, short out the LM329B and ad-just R5 so that V°= αT, where cc is the Seebeck coeffici...

  • Fire Sensor Circuit

    2014-11-21 11:10:2993

    This fire sensor circuit exploits the temperature sensing property of an ordinary signal diode IN 34 to detect heat from fire. At the moment it senses ...

  • Motion Detectors with Infrared Sensors

    2014-11-21 09:26:23141

    Motion detectors often we hear, is to use ultrasonic sensors, the advantages of this sensor is sensitive and rapid response. But the main problem is th...

  • humidity sensor circuit II

    2014-11-21 07:40:2376

    When the 14B-12B pair opens, 12B is connected to Al's summing point via 13B. The sensor now discharges into the summing point through the 1 ?μ capacit...

  • OPTOELECTRONIC_PYROMETER

    2014-11-21 07:33:1473

    This setup optically measures the temperature of an incandescent body. It makes use of the shift in the emission spectrum of a black body toward shorte...

  • Simple Light-operated Switch Circuit

    2014-11-21 05:58:4275

    As shown in thefigure is a simple light-operated switch circuit.In some public places,it is convenient as well as power-saving whenapplied to,such as,p...

  • Fluid Level Sensor(MC14093B)

    2014-11-21 02:31:13148

    This article introduces the Fluid Level Sensor (MC14093B). The principle is very simple, very practical. The circuit components can help you understand...

  • Proximity-sensor

    2014-11-21 00:49:48853

    The SillOO series circuit input is connected to a capacitive field sensor-possibly a piece of doublesided circuit board. Any induced voltage change on ...

  • Grain and cotton warehouse exaggerated humidity automatic ve

    2014-11-20 21:10:1764

    The circuit is as shown, it is composed of humidity sensitivity electric bridge network, comparison circuit, relay control ventilating circuit, languag...

  • Hall Current Sensor Circuit

    2014-11-20 21:08:2588

    The output of the Hall element is connected to the instrument amplifier AD620. Entry and exit as the amplifiers differential mode and common-mode input...

  • Moisture sensor circuit

    2014-11-20 20:06:09114

    This Check this dry soil circuit orsoil moisture meterFor the Blind. Because it will alert on clay. Circuit has less detail. It production the low freq...

  • Infrared beam barrier / proximity sensor schematic shows

    2014-11-20 20:01:21112

    This article is an infrared beam barrier / proximity sensor works show. The combination of text read schematics would be more effective to grasp this p...

  • Phone With Musical Songs(I)Circuit

    2014-11-20 16:36:5065

    Now phoneshave the function of polyphonic ringtone and use various languages as well as songs instead of the traditional ringing,which makes people fee...

  • A capacitive sensor circuit

    2014-11-20 15:28:3180

    This article describes a capacitive sensor circuit. This circuit is not new, but it proved so useful, simple and cheap, it is worth building. The purpo...

  • Humidty Sensor To Data Aquisition System Interface

    2014-11-20 11:42:3186

    View Full Size Image View Original Application Note The circuit shown in the schematic features zero drift operational amplifiers (LTC1250 and LTC1050)...

  • Sensor detector circuit diagram

    2014-11-20 10:39:4190

    Figure 1 shows the the proximity sensor detector circuit temperature compensation which is composed of MAX912. In the circuit, the door lock (or 200cm2...

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