I used 430F437 and found that the 32K crystal oscillation speed was very slow, causing the LCD display to start abnormally.What is the reason? No matter how I change the capacitor, it doesn't work....
S3C2440/2442? PXA270/300/310/320? MX310/320? AT9261/9263? DM6446? I think PXA320 has the highest clock speed, but which one will be the most widely used in the industry or in the next 2-3 years?...
[size=4]Reentrant function[/size] [size=4] [/size] [size=4]Reentrant function is mainly used in multitasking environment. A reentrant function is simply a function that can be interrupted, that is, it...
[size=4] Yesterday I got DE1 and was ready to install the development environment. Because QII had installed 13.1 before, I planned to install EDS and start working. I downloaded SOCEDS 14.1 version f...
IsoCore is a pyboard newly designed by a foreign netizen. It uses the STM32F405 controller, removes the low-precision accelerometer, and adds a PCI-E interface.[url=https://bitbucket.org/electric-ray/...
[Linux Data] Introduction to the working principle of Linux driver Introduction to the working principle of Linux driver 1. Data structure of Linux driver 1 2. How is the device node generated? 2 3. H...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[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]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
Microcontroller MCU
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