Position: Index > Sensor Circuit >
  • Infrared (IR) Proximity (Distance) Sensor

    2014-11-25 13:25:58197

    The photodiode can be used to detect IR reflected from the object. However, IR produced by the ambient conditions also detected by the photodiode. This...

  • Isolated Temperature Sensor CIRCUIT (MAX845)

    2014-11-25 13:21:3682

    In some temperature-sensing applications there are some problems caused by the placement of sensors on location where the potential is very different f...

  • PIR Sensor Based Security System

    2014-11-25 10:27:59123

    The circuit of an inexpensive and highly secure electronic security system is explained below. This electronic security system can be used in banks and...

  • Plate Touch Sensor Circuit

    2014-11-25 10:22:3087

    This system operates on the principle that capacitance loading of an oscillator will lower its frequency. When a foreign body comes into contact with t...

  • SINGLE_PLATE_TOUCH_SENSOR

    2014-11-25 10:14:3676

    This system operates on the principle that capacitance loading of an oscillator will lower its fre-quency. When a foreign body comes into contact with ...

  • Isolated Voltage Sensors scheme

    2014-11-25 09:43:39147

    The input voltage (VI), charges capacitor C1 until zener diode D1 conducts. Then, the zener diode triggers an avalanche circuit that discharges C1 into...

  • Water_seepage_alarm_using_an_LM3909_chip

    2014-11-25 07:51:0977

    Water seepage alarm using an LM3909 chip. Circuitry inside dashed lines is the LM3909. Standby battery current drain is 100μA. The multivibrator rate ...

  • Human Body Sensor Switch Circuit Diagram

    2014-11-25 07:49:00109

    The human body sensors switch, using a special sensor integrated circuit HT7610B, simple peripheral circuit, quite good performance, high reliability, ...

  • Contact Image Sensors (CIS)

    2014-11-25 07:12:2383

    In my earlier posts I have already explained the working of Charge-coupled devices and its application as an image sensor. Recently, most of the scanne...

  • Latching Water Sensor

    2014-11-25 06:37:4377

    A balanced Wheatstone bridge controls a JK flip-flop that uses an op amp as an interface. This in turn drives a relay circuit. Rl through R4 can be mad...

  • Automated Crib Lights

    2014-11-25 03:18:27133

    This circuit is intended to drive the various lights decorating the crib prepared during Christmas season at many homes in Latin Countries, especially ...

  • TILTMETER_INDICATES_SENSE_OF_SLOPE

    2014-11-25 02:45:4675

    Electrodes are immersed in an electrolyte that remains level while the sensor follows the tilt of the body on which it is placed, more of one outer ele...

  • Use neural sensors to build smart sensor systems using micro

    2014-11-25 01:38:4895

    Neural networks are wide topic. But this small example demonstrates how to create basic neural sensor which takes resistive readings from multiply sens...

  • Simple pressure sensor amplification circuit diagram

    2014-11-25 01:30:5675

    The figure 1 is a simple pressure sensor amplification circuit. Preamplifier A1 adopts 200 times fixed gain pressure sensor special preamplifier U2O. W...

  • Burglar Alarm Circuit

    2014-11-25 00:52:5983

    As is shown in figure is a burglar alarm circuit. Detection circuit in the figure adopts resistance bridge and the switch of door adopts magnetic opera...

  • The Hall Effect and Hall Effect Sensors

    2014-11-24 23:18:08124

    Hall effect sensors can solve many problems, so it is useful to know about them. Also, the Hall Effect itself is worth understanding, so we'll talk abo...

  • Humidity Sensor Circuit Diagram (LTC1043)

    2014-11-24 23:16:45263

    Interfacing humidity sensor can be difficult because of the sensors drive requirement and their wide dynamic range.? We can customize the circuit to ob...

  • Mains-operated Capacitive Sensor CIRCUIT (TIC106M)

    2014-11-24 19:23:31127

    Easily adjustable, high sensitivity circuit Circuit diagram: Parts: R1_____________220K 1/4W Resistor (See Notes)R2______________47K 1/2W Trimmer or Po...

  • Vibration Sensor/Detector circuit

    2014-11-24 14:24:08120

    With the help of a simple ceramic piezo-electric detector it is possible to assemble an interesting and useful Impact sensor unit,which can be used to ...

  • Closed Loop Control Circuit using Sensor and Actuator

    2014-11-24 13:09:5269

    The herein article contains information related on the method of closed loop control with a sensor and an actuator and how to apply the method to build...

  • Photoelectric Sensor Circuit

    2014-11-24 11:44:3794

    The circuit can be used as a sensor that can trigger an alarm, without direct contact being made by the intruder. In this circuit, a visible or invisib...

  • Hearbeat Sensor (Tranducer) Circuit Schematic Diagram (2N343

    2014-11-24 08:11:2790

    To build a heart-beat transducer not as difficult as imagined. Circuit below shows a simple heart-beat transducer. This circuit made from an infrared p...

  • Light sensor alarm circuits (2N2926)

    2014-11-24 07:29:1191

    This be circuit warn when be become dark, or Light sensitive switch. By use electronics part the base is important , be the transistor 2N2926 and AC128...

  • 5x CNY70 IR sensors to read a encoded disk, in this case, fo

    2014-11-24 06:49:46151

    5x CNY70 IR sensors to read a encoded disk, in this case, for an anemometer. Each sensor read a sector of the encoded disk. The combination could be us...

  • High Performance Power Amplifier Circuit

    2014-11-24 06:10:0185

    As shown in figure is a high performance power amplifier circuit.It has a feature of small volume,high-power and high-efficiency.Principle of work:AC p...

  • General Purpose Alarm Circuit for Resistive Sensor

    2014-11-24 05:47:3269

    When the resistance value of a temperature, light, pressure,? or any other resistive sensors? Rs drops below a certain point? (adjusted by a preset pot...

  • Remote CPU/ASIC/FPGA Temperature Sensor

    2014-11-24 03:29:2270

    View Full Size Image View Original Datasheet The LTC2997 is a high-accuracy analog output temperature sensor. It converts the temperature of an externa...

  • MOS image sensor oscilloscope imaging circuit

    2014-11-24 01:46:1680

    MOS image sensor is also called self scanning photodiode(SSPD), it is a solid image sensor in the late1960's. It is composed of some photodiodes, multi...

  • Isolated Temperature Sensor

    2014-11-24 01:01:5574

    In some temperature-sensing applications there are some problems caused by the placement of sensors on location where the potential is very different f...

  • Solar Panel Current Meter

    2014-11-23 22:44:46127

    This circuit is used to measure the current from a solar panel. It has very low power loss for currents in the 0-10A range. It also works as a general ...

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