Hello everyone, I recently encountered a problem when using lpc1766. I found that the count control register CTCR had no effect after configuration. It was still in timing mode and could not count ext...
My goal is to change the output status code of a certain bit in the port as follows: inp(int addr) { unsigned char al; __asm { push edx mov edx, DWORD PTR addr in al, dx and eax, 0xff pop edx } return...
[color=#000][color=rgb(62, 62, 62)][p=null, 2, left]The purpose of tinning PCB circuit board is to prevent bare copper from directly reacting with oxygen in the air to cause board surface oxygen. In a...
CES 2015 Focus: Smart Home Model Created by PubNub : https://training.eeworld.com.cn/course/264? ? ?Ian Jennings of PubNub talks about how he built a smart home from scratch using Arduino....
It took me two days to make a load board. I asked our sister who specializes in soldering circuit boards to solder the project at hand, and then some accidents happened. Let me explain them in detail....
CNC power supply (PCB + schematic + code) data sharing compressed package internal files as shown in the figure to exchange heart coins to download data, hope to support, need to download...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[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]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[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
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
NXP MCU
京公网安备 11010802033920号
EEWORLD
