Circuits & Schematics Microcontrollers Usage - 4

Subsection: "Microcontrollers Usage"
  Including:
  AVR   Clock   PIC   Programmer
Search results: 394 Output: 31-40
  1. Benabadji Noureddine EDN Several previously published Design Ideas and appnotes [ 1-4 ] show how to use many pushbuttons with a minimum number of inputs. They require an RC circuit where the timing can be measured to identify which pushbutton has ...
    02-09-2015
  2. Rick Malley, Independent Designs LLC Electronic Design Using eight digital inputs, this circuit simplifies decoding of the common membrane 4×4 keypad matrix and eliminates the traditional requirement of scanning rows or columns. Any X-Y ...
    30-07-2015
  3. Josef Valasek EDN If you develop an application on a small microcontroller, your diagnostic tools for debugging of the program code might be very limited. This Design Idea introduces a simple debugging routine for plotting the binary value of one ...
    20-05-2015
  4. Ricardo Jimenez and Roberto Solorio Electronic Design This fast-executing program and simple circuit allows a PIC MCU to linearize a thermistor and accurately determine and display the temperature from its measured resistance. When you need to ...
    20-05-2015
  1. Francesc Casanellas EDN This design was done to get a sealed keypad for very wet environments (in my particular case, showers for swimming pools). The keypad needed to be able to detect slight pressure on a stainless steel plate 0.4 mm thick. Apart ...
    26-03-2015
  2. Dev Gualtieri Electronic Design By using a standard, low-cost PIC microcontroller with a short block of code that emulates a simple ramp-signal generator based on the venerable unijunction transistor (UJT), you can achieve smooth output and ...
    26-03-2015
  3. Noureddine Benabadji EDN Embedded systems frequently use HD44780 -type LCD displays as it is considered the most popular alphanumeric display controller. The interface comprises at least 14 pins: eight for data, three for control (EN, WR, RS), two ...
    13-11-2014
  4. Didier Juges EDN Many MCU designs are intended to control power to devices such as motors, actuators, or other electronic subsystems. This power switching usually involves using a power device like a bipolar transistor or MOSFET that the MCU ...
    23-08-2014
  5. Petre Petrov EDN Many of the sensors capturing information from the world around us are resistive. A few examples are NTC, PTC, LDR, contact sensors. If we convert the resistance of the sensors into frequency or pulse duration, these parameters can ...
    01-08-2014
  6. Benabadji Noureddine EDN This Design Idea (Figure 1) demonstrates a new method of driving six LEDs with only two I/O lines from a microcontroller, and so is particularly suitable for any pin-limited chip. It uses a pair of I/O lines combined with a ...
    03-06-2014