#include//Includes header files. Generally, no modification is required. The header files include the definition of special function registers sbit OUT=P2^3; //Define OUT output port sbit KEY=P1^2; vo...
Dear seniors, I would like to ask a question. When I was designing the drive circuit for Infineon's IGBT module, I did not figure out the problem of high voltage insulation. The IGBT is a 1200V/75A si...
I want to read data from a barcode scanner connected to a USB port. I found its physical device name in its device manager as \Device\USBPDO-10. However, I used hDevice = CreateFile(TEXT("\\\\.\\Devic...
I wrote 4 sets of data into AT24C64, writing 8 bytes continuously each time. As a result, the first three sets of data were correct, but the fourth set of data was read out differently than when it wa...
GPIO Port Overview TMS320VC5510 provides 8 dedicated general purpose input/output pins IO0~IO7. The direction of each pin can be independently configured by the I/O direction register IODIR. The input...
1. Tasks are divided into single execution, periodic execution, and event-triggered tasks. A detailed introduction to the three categories. 2. Principles and methods for allocating priorities in tasks...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]