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  • Water Level Sensor/Alarm System for MAXQ3210 Controller

    2014-11-28 11:28:5877

    TheMAXQ3210ia a powerful RISC microcontroller. This device have features and capabilities to make it compatible for battery-powered applications that d...

  • Piezoresistive integrated pressure sensor circuit

    2014-11-28 08:22:49100

    To deal with temperature drift of sensor's sensitivity, the general method of compensation is to change the supply voltage. With the development of sem...

  • Digital hygrometer circuit diagram

    2014-11-28 08:20:30192

    Digital hygrometer circuit mainly consists of the following parts: (1) humidity / voltage conversion circuit; (2) humidity / frequency conversion circu...

  • Temperature Sensor Circuit

    2014-11-28 08:07:4891

    The LM35 temperature sensor provides an output of 10 mV/C for every degree Celsius over 0C. At 20C the output voltage is 20 10 = 200 mV. The circuit co...

  • Principle of color sensor

    2014-11-28 08:06:4393

    This article is a color sensor principle discussed. By convention, in order to better grasp the principles you are, we recommend you to combine text re...

  • HEARTBEAT_TRANSDUCER

    2014-11-28 07:07:45103

    A simple heart-beat transducer can be made from an infrared LED and an infrared phototran-sistor. It works because skin acts as a reflective surface fo...

  • Semiconductor Strain Gauge Structure Diagram Circuit

    2014-11-28 06:06:2275

    The semiconductor strain gauge is mainly produced by using the piezoresistive effect of the silicon material. If there is the force on the semiconducto...

  • Open source Wireless sensor platform - Waspmote (NC7SU04M5X)

    2014-11-28 05:50:32218

    This article describes the Open source Wireless sensor platform - Waspmote (NC7SU04M5X). The content is very simple, very helpful. Components in this a...

  • CDV700 Geiger Counter

    2014-11-28 05:47:22126

    This project involves making several modification to an early 1960s era Victoreen CDV700 or CDV600-6B geiger counter. These counters are available on E...

  • LINEAR_TEMPERATURE_TO_FREQUENC_Y_TRANSCONDUCER

    2014-11-28 04:38:2568

    This circuit provides a linear increase of frequency of 10 Hz/℃ over 0-100 ℃ and can thus be used with logic systems, including mi-croprocessors. T...

  • Touch Switch with 555

    2014-11-28 04:36:56170

    The modern mechanic switches are improved concerning of old technology. We need however many times to replacement some old switch or to check currents ...

  • Voltage Sensitive Probe

    2014-11-28 04:16:09237

    This circuit is so sensitive it will detect `mains hum.` Simply move it across any wall and it will detect where the mains cable is located. It has a g...

  • Line Following Robot Sensor(CNY70)

    2014-11-28 03:38:18585

    This article describes the Line Following Robot Sensor (CNY70). The principle is very simple, very practical. The circuit components can help you under...

  • Touch switch sensor circuit using CMOS

    2014-11-28 03:13:2381

    Sensors A touch switch sensor can be designed using this simple electronic circuit. The touch switch sensor is built using a CMOS circuit, a resistor a...

  • Electromagnetic field sensor circuit

    2014-11-28 02:26:2695

    Notes. This is a very simple circuit that can be used to sense electromagnetic radiations. The circuit can even detect hidden wrings. A 1mH inductor is...

  • Transistor water sensor alarm circuit

    2014-11-28 01:29:1791

    Sensors This water sensor alarm circuit diagram is designed using common electronic components. Thewater sensor alarm circuit may operate an active buz...

  • Liquid level Alert

    2014-11-28 00:40:56154

    This circuit will emit an intermittent beep (or will flash a LED) when the water contained into a recipient has reached the desired level. It should be...

  • Capacitive Sensor CIRCUIT (1N4002)

    2014-11-28 00:26:2489

    Special design for shop-windows animation Circuit diagram: Parts: R1,R2_____1M 1/4W ResistorsR3,R4____47K 1/4W ResistorsC1_______10F 25V Electrolytic C...

  • Relative Humidity Sensor Digitizer-Hetrodyne Based

    2014-11-27 19:05:5772

    View Full Size Image View Original Application Note Hetrodyne Based Humidity Transducer Digitizer Has Grounded Sensor, 2% Accuracy. Capacitively Sensed...

  • Optical flex sensors circuits

    2014-11-27 18:28:5895

    This worked, but if I recall correctly the resistance response wasn’t linear but the EZIO ADC, so this meant that I lost resolution and couldn’t re...

  • Dual level liquid sensor circuit design

    2014-11-27 18:16:2275

    Sensors This level liquid sensor electronic circuit diagram is based on a common Ca3410 operational amplifier IC . This level liquid sensor electronic ...

  • THIRD_ELECTRODE_SENSES_FULL_CHARGE

    2014-11-27 17:04:0571

    Circuit is suitable only for special nickel-cadmium batteries in which third electrode has been incorporated for use as end-of-charge indicator. Voltag...

  • Error Compensation Circuit for Pressure Sensor

    2014-11-27 14:10:1766

    To obtain an accurate pressure value, we must remove the offset errors. There are many basic circuit designs that is used to remove the offset errors. ...

  • LATCHING_WATER_SENSOR

    2014-11-27 14:08:5579

    A balanced Wheatstone bridge controls a JK flip-flop that uses an op amp as an interface. This in turn drives a relay circuit. R1 through R4 can be mad...

  • light control switch circuit with photosensitive resistor (L

    2014-11-27 12:31:1183

    Where there is light, the transistor with photoresistor LDR in the circuit is connected in high power level or in zero level. The amplification factor ...

  • Internal Temperature Sensor

    2014-11-27 12:22:3269

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

  • Parking sensor circuit

    2014-11-27 11:34:24107

    Description. This simple circuit can be used as an aid for sensing the distance between the rear bumper of the car and any obstacle behind the car. The...

  • Smart Temperature Sensor MAX6698 With 7 Channels Circuit

    2014-11-27 10:02:5073

    As shown, the MAX6698 could only fully connect three temperature-measuring transistors (VT1~VT3) and three thermistors (RT1~RT3). Its internal referenc...

  • Time-setting and time-saving switch circuit

    2014-11-27 05:24:5970

    Nowadays, the door and light are mostly controlled by manual switches. Frequent forgetting to turn on or off the lights result in inconvenience and ene...

  • The photoelectric counting circuit

    2014-11-27 05:13:2066

    See as the figure, when thelight dependenttriode VT1 receives the infrared rays from the diode, VT1 is conducting, the inverting input terminal 6-pin o...

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