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Search results: 39   Output: 1-10
  1. Part 1 - Hardware: Schematic, PCB and case. Hi all! I’m continuing here with the last board I design and now I’m continuing testing. It’s a battery-powered small datalogger based on a PIC18F2620 microcontroller (Figure 1). The ...
  2. 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 ...
  3. 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 , ...
  4. Vladimir Rentyuk EDN When using a reflective object sensor, counting and identifying objects is sometimes difficult in the presence of electrical noise or bright ambient light. The circuit in Figure 1 shows an inexpensive solution to this problem ...
    Circuits » Automation » 74HC393, 74HC175, OPB704
  5. Kiril Karagiozov EDN One way you can control the temperature of a soldering iron is with a microcontroller, using temperature feedback from the thermistor in the handle near the iron's tip. This Design Idea presents a soldering iron driver that ...
  6. Clive Bolton EDN This Design Idea drives the 20mA current loops that are often used to control two-way proportional pneumatic or hydraulic servo valves in high power robotics applications. Most current drivers are capable of driving unipolar ...
  7. Design Note DN530 July 2014 Jesus Rosales, Willie Chan Linear Technology's isolated µModule converters are compact solutions for breaking ground loops. These converters employ a flyback architecture whose maximum output current varies with ...
    Circuits » Automation · Supply · Power · Application Notes » Linear Technology » LTM8057, LTM8058, LTM8046, LTM8047, LTM8048
  8. Part 1 Input Card The input cards come in several types, each tailored to a different type (or types) of input. The first input card we designed is capable of measuring temperature through either a thermistor or thermocouple. Work on the next input ...
  9. PID stands for proportional-integral-derivative controller. This is a device used in control systems or simply to control other devices or other electronic systems. The main function of this controller is to help regulate or maintain the level of ...
  10. Reference Design APP 5610 December 2013 Yuriy Kurtsevoy, Stuart Smith This reference design shows how to develop a high-performance, high-voltage 2- or 3-wire 4­20 mA current-loop transmitter suitable for industrial process control and smart ...
    Circuits » Automation · Interfaces · Radio · Networks · Application Notes » Maxim » DS8500, MAX15007, MAX5216, MAX6133, MAX9620
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