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  • Portable_receiver

    2014-11-20 10:23:2787

    Figure 2-16A shows the ZN414Z (Fig. 2-14A) combined with extemal components to form a portable receiver (known as a Triffid receiver). Figure 2-16B sho...

  • Super Sensitive Fire Sensor using CA3130 and CD4060 Circuit

    2014-11-20 09:56:53105

    A piezoelectric fire alarm can be made using CA3130 and CD4060 oscillator. The herein circuit shows the super sensitive fire sensor side that uses piez...

  • IR-Linked Temperature Sensor CIRCUIT (MAX6576)

    2014-11-20 06:00:2777

    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...

  • Temperature sensor and DVM interface

    2014-11-20 04:36:1582

    The DVM gives a direct indication of the temperature of the sensor in degrees Centigrade. The temperature sensor IC1 gives a nominal 1 ?μ per degree K...

  • Linearize optical distance sensors with a voltage-to-frequen

    2014-11-20 04:16:05101

    Create the mathematical inverse of an analog voltage by converting it to frequency and measuring the period. Jordan Dimitrov, Toronto, ON, Canada EDN A...

  • STEREO_REVERB_SYSTEM

    2014-11-20 03:11:0195

    The LM378 dual power amplifier is used as the spring driver. The recovery amplifier is a low noise dual preamplifier. Mixing of the delayed signal with...

  • Infrared automatic faucet schematic

    2014-11-20 01:56:3485

    How it works:The circuit is shownas the figure. IC1 and W1, C1 and other components compose a 30 ~ 50KHz frequency pulse oscillator. It drives the infr...

  • General Purpose Alarm Circuit for Resistive Sensor (3N81)

    2014-11-20 00:09:47109

    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...

  • 660_AND_1000_Hz_FOR_SSB_TESTING

    2014-11-19 23:04:3971

    Produces two audio frequencies with all harmonics and cross products down 40 dB or more, as required for accurate testing of amateur SSB equipment. Two...

  • Digital temperature sensor

    2014-11-19 22:46:1594

    Description. Here is a straight forward, yet effective digital temperature controller that can be used with temperature control systems. The circuit us...

  • SIEPPER_MOTOR_RESPONSE_LOGIC

    2014-11-19 22:28:0969

    Clock-wise and counterdockwise pickoff channels each drive monostable mvbr, with output of each being added to signal of other channel. Direction-of-ro...

  • TMP01 Fahrenheit Scale Temperature Sensor

    2014-11-19 22:05:1273

    This schematic diagram is about TMP01 Fahrenheit Scale Temperature Sensor circuit. This circuit is used to convert VPTAT into an output that can be rea...

  • Fire Alarm with LDR Sensor circuit diagram

    2014-11-19 22:02:2687

    This is the fire alarm circuit which use LDR to sense the smoke from the fire, so it can be used to detect any dark smoke. With the onset of summer sea...

  • Field disturbance sensor-alarm

    2014-11-19 21:10:35103

    The change in ambient light triggers the alarm by changing resistance of LDRl and LDR2. use any regular pnp transistor. Reprinted Url Of This Article: ...

  • Error Compensation Circuit for Pressure Sensor (TLV2211)

    2014-11-19 16:46:4279

    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....

  • Presence detector, proximity sensor circuit

    2014-11-19 16:38:53117

    This circuit reacts in presence of any conductor object including humans. This circuit does not detect object movement but can act as an proximity sens...

  • How to build Capacitive Sensor

    2014-11-19 14:23:5281

    Note: For proper operation, circuit ground must be connected via a small value, high voltage-rating capacitor to one side of the mains supply socket. T...

  • SOT Temperature Sensors with Period/Frequency Output (MAX657

    2014-11-19 14:18:4870

    This is a low-current temperature sensors with a single-wire output. The number of pins that needed to interface with a microprocessor is minimized by ...

  • Brightness adjusting circuit diagram composed of LX1970 visi

    2014-11-19 13:45:4471

    Brightness adjusting circuit is shown as the chart. Adjusting PWM (pulse width modulation) signal duty cycle, you can adjust the backlight brightness t...

  • Two-Wire Temperature Sensor

    2014-11-19 12:58:1884

    The Type LM35 temperature sensor from National Semiconductor is very popular for two reasons: it produces an output voltage that is directly proportion...

  • bridge photoelectric detector composed of photosensitive res

    2014-11-19 07:48:3580

    In the industrial optical measuring devices, the photosensitive resistor can be used to form the bridge photoelectric detector, just as shown in the fi...

  • Temperature Sensor Gauge

    2014-11-19 07:24:0395

    In the diode thermometer (IN4148) is used as a temperature sensor. IC2 is a BCD output which an A / D conversion. R7 set reference voltage is applied t...

  • STRESS METER

    2014-11-19 01:45:17280

    It consisted of 16 LEDs in a circle with two touch pads. By placing your fingers on the touch pads, the circuit started and ran the LEDs in a `chaser` ...

  • Electronic thermometer(1)

    2014-11-19 00:22:4196

    This electronic thermometer adopts temperature sensor to detect temperature, the measured temperature is displayed by LED. The temperature measuring ra...

  • 120VAC Touch Switch

    2014-11-18 23:20:2780

    This is a capacitance based touch on/touch off switch, which can control power to a 200 watt 120vac load. visit page....

  • Light_intensity_absorbance_circuit_using_the_757N_log_ratio_

    2014-11-18 23:20:2473

    Light intensity absorbance circuit using the 757N log ratio module and the AD2009 3 1/2-digit DPM (courtesy Analog Devices, Inc.)....

  • LGA Accelerometer Sensor Guideline for Soldering and Mountin

    2014-11-18 22:45:1666

    Here we provide you with a guideline for soldering and mounting the LGA package inertial sensors since MEMS based sensors (analog and digital output ac...

  • Audio signal Indicator

    2014-11-18 20:37:58225

    This circuit can be used to remotely monitor a loudspeaker, alarm, or audio source for presence of an audio waveform. It can also be directly connected...

  • Magnetic disc moving direction discrimination circuit diagra

    2014-11-18 20:17:5775

    The figure1 is a magnetic disc moving direction discrimination circuit which is composed of magnetosensitive resistance. In the circuit, R(M1) and R(M2...

  • IC Piezoelectric Signal Conditioning Sensors Datasheet

    2014-11-18 16:39:14302

    A device with function to measure pressure, acceleration, strain, or force by converting them into an an electrical signal is what we called a piezoele...

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