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Search results: 360   Output: 81-90
  1. Frequency meter with some of quite good performance, capable of measuring frequencies from 1Hz to 10MHz (9,999,999 Hz) with a resolution of 1 Hz over the entire range. Ideal for function generators or as a standalone meter. It is cheap and easy to ...
    17-05-2013
  2. Branislav Korenko and Marek Cerný, Slovak University of Technology, Bratislava, Slovakia EDN This Design Idea was realized for voltage/current measurement on a four-channel analog voltage source but has wide use in many other applications. ...
    09-05-2013
  3. Ali Asgher Mansoor Habiby and Abdus Sami Abdul Qayyum, Sir Syed University, Karachi, Pakistan EDN When you go hiking or mountain biking, or simply take a long walk around the neighborhood, you might wonder about the distance you covered or specific ...
    24-04-2013
  4. Raju Baddi EDN Most PN-junction diodes can be used as photodiodes. While not optimized for this application, they do work. When the diode is reverse biased, it will produce a small photovoltaic output as the light level is increased. LEDs are ...
    16-04-2013
  5. Vishwas Vaidya Thermocouples and their leads often have to detect open-circuit or short-circuit faults. However, it is very difficult to distinguish a valid millivolt temperature signal from an open/short-circuited thermocouple, which generates a ...
    14-03-2013
  6. John Fattaruso, Dallas, TX EDN Measure the pinch-off voltage V P and zero-bias drain current I DSS to select matched pairs of JFETs When working with discrete JFETs, designers may need to accommodate a large variation in device parameters for a ...
    10-03-2013
  7. Raju Baddi, India EDN Bipolar junction transistors transfer a current from a lower-resistance emitter to a higher-resistance collector. You can use this property to measure inductance Bipolar junction transistors transfer a current from a ...
    24-02-2013
  8. Create the mathematical inverse of an analog voltage by converting it to frequency and measuring the period. Jordan Dimitrov, Toronto, ON, Canada EDN A popular series of inexpensive distance sensors integrates an infrared emitting diode, a linear ...
    10-02-2013
  9. This module integrates the sensor MMA7455L (produced by Freescale ), able to detect the movement on three axes, and then in every direction. The chip offers the possibility to select three different sensitivity ( 2g, 4g, 8g) and makes available, on ...
    28-01-2013
  10. This project is about building a microcontroller-based digital room thermometer plus hygrometer that displays temperature and relative humidity on 4 large (1 inch) seven segment LED displays which adjust their brightness level according to the ...
    18-01-2013
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