[Qinheng RISC-V core CH582] development board does not have WCH-LINK on board. In order to facilitate debugging, I bought WCH-LINK. It arrived today and it took me more than ten minutes to get started...
There are two ways to implement buttons: query and interrupt. The initial position is in InitBoard() in OnBoard.c.OnboardKeyIntEnable = HAL_KEY_INTERRUPT_ENABLE; //Interruption method//OnboardKeyIntEn...
When using 51 to simulate PWM wave, why is there a problem in the program when for(i=0;iTimer 0 should also be running, won't that cause any problems?Please help me! Thank you!#include "reg52.h"sbit l...
F149 has an internal DCO clock, a high frequency 8M, and a low frequency 32KHZ. I don't know which one to choose? I want to make an LCD display, which clock should I use? Which one should I use for th...
I am a beginner at Cortex-M0. The compilation environment is TKStudio. I use Zhougong's project files, and many of the codes are not very clear to me.
Please advise, if you create a new project, how m...
Project description: Doupi Marquee C++ version library file: Use a new self-written C++ library, and abandon the standard C library provided by st. Compilation environment: IAR 5.30 This project and l...
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]