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Search results: 2,254   Output: 91-100
  1. Bjoy Santos EDN Regardless of its color, an LED's light output varies as a function of forward current and ambient temperature. As Figure 1 shows, an LED's light output can vary by as much as 150% over its operating-current range. In response, a ...
    Circuits » Light · Power » Intersil » ISL29000, EL7630
    28-06-2016
  2. David Ng, Linear Technology Design Note 445 Introduction Once relegated to the hinterlands of low cost indicator lights, the LED is again in the spotlight of the lighting world. LED lighting is now ubiquitous, from car headlights to USB-powered ...
    28-06-2016
  3. Jeff Tregre EDN Shortly after installation, the simple water-leak-detector circuit in this Design Idea saved the day and hundreds of dollars. The average life expectancy of a hot-water heater is about 10 years. It’s not a question of whether ...
    23-06-2016
  4. Moshe Gerstanhaber and Chau Tran, Analog Devices EDN Many modern A/D converters offer only a 5 V input range, and using these converters with a 5 V or larger input signal gives the designer a problem: how to discard half of a good analog signal ...
    23-06-2016
  5. Anthony Smith EDN The white-LED flasher in Figure 1 offers an alternative approach to a previously published idea ( Reference 1 ). Targeting use in portable appliances and products powered by a single cell, this circuit flashes an LED to provide a ...
    Circuits » Supply · Light » Fairchild » NC7SV57
    23-06-2016
  6. Boris Landoni, open-electronics.org Part 1 - Schematic To proceed in subsequent operations, use RaspberryPi in terminal mode, the two SSH and SCP windows open and root login. Connect the RPY connector of the shield to the GPIO RaspberryPi connector ...
    10-06-2016
  7. Francesc Casanellas EDN Figure 1 illustrates a digitally programmable precision resistance that can serve as a microprocessor-driven power-supply load in custom-designed ATE (automatic-test equipment). An 8-bit current-output DAC, IC 1 , a DAC08 , ...
    09-06-2016
  8. Al Dutcher EDN This Design Idea provides a simple, inexpensive, portable circuit as an alternative to a microcontroller to provide a wide-range source of low-distortion sine waves for audio-circuit design and debugging. Although sine waves from DDS ...
    09-06-2016
  9. Boris Landoni Let’s expand RaspberryPi functionalities with a shield that is compatible with the Arduino pinout and with an onboard analog to digital converter with 16-bit resolution. Further expansions that we will present in the future will ...
    09-06-2016
  10. Jim McLucas EDN A recent Design Idea described a method for designing simple, high-frequency LC oscillators with few passive components ( Reference 1 ). However, for best results, practical hardware design of a stable oscillator requires more parts ...
    Circuits » Analogue Design · Oscillators » STMicroelectronics » TL082, BF998, 2N5486
    01-06-2016
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