Circuits & Schematics Microcontrollers Usage

Subsection: "Microcontrollers Usage"
  Including:
  AVR   Clock   PIC   Programmer
Search results: 394 Output: 1-10
  1. It is sometimes necessary for a microcontroller to generate a pulse whose voltage is higher than the power-supply voltage of the microcontroller. The circuit in Figure 1 allows you to generate 14 V pulses from a 5 V power supply. An adaptation of ...
    13-12-2022
  2. Piezoelectric buzzers find wide use as audible-signal generators because of their low power consumption and clear, penetrating sound. An external driver or a self-driven circuit that oscillates at the resonant frequency of the piezoelectric element ...
    17-11-2022
China PCB Prototype and Fabrication Manufacturer
  1. Targeted for the smart home, this design leverages two PIC MCUs that use a wireless RF transmitter/receiver to control up to six relays and monitor two analog signals. In this design idea, you will learn how to interface two PIC microcontrollers ...
    25-10-2022
  2. This 8051 microcontroller-based control circuit adjusts the speed of a small permanent-magnet dc motor via photosensors (Figure 1). The circuit can find applications in light-tracking systems for adjusting tracking-motor speed depending on the ...
    05-10-2022
  1. This article describes a portable breadboard-friendly adjustable power supply, designed as an ideal supply for Arduino projects and other low-power circuits. It is capable of providing from 0 V to 5.5 V at up to 0.5 A, and is powered by two ...
    29-09-2022
  2. A recent Design Idea prompted me to offer the simpler solution that I used in a recent project (Reference 1). We needed a momentary power switch with processor supervision. This supervision would allow the processor to delay a power-down request ...
    01-09-2022
  3. In this project, we will be using the ESP8266-01 Wi-Fi Development board to make a small IoT home automation that has Wi-Fi featured in it. The system operates on a local web server and is easy to use for the novice. With this project, we can ...
    09-08-2022
  4. Laboratory data often appears as Gaussian curves, and today's laboratory data-acquisition software is designed to analyze these data to determine such things as peak location, amplitude, area, and width. A good test signal is useful in ...
    20-07-2022
  5. You can use a microcontroller that includes an ADC to design a two-wire-plus-ground keyboard interface. For example, you can use a resistive voltage divider to identify a pressed key (Reference 1). A microcontroller's integrated ADC typically ...
    16-05-2022
  6. The performance of the watchdog circuit in Figure 1 may not match that of a dedicated watchdog circuit, but this circuit is helpful when the only watchdog in the lab doesn’t meet your design’s temperature requirement and when you are in ...
    10-05-2022