I built a system using MSP430. 430 is powered by battery, and other parts are powered by external power supply. When the external power is off, 430 enters LPM3 (Low Power Mode 3) state. And all pins a...
EuroPython , Europe's largest Python programming language conference , has announced that it will be held online from July 26 to August 1, 2021https://ep2021.europython.eu/...
I am using Freescale's MCU to control Devin's DMT32240T035_01WN LCD screen. The screen is controlled by sending commands through the serial port. Since this model of MCU only provides two serial ports...
I would like to ask the experts why the corresponding voltage should also be increased when the frequency of the chip is increased? For example, the operating frequency of eeprom is generally below 40...
MOTO is now recruiting QA Engineer Job Description: 1. More than three years of work experience 2. Proficient in English QA Manager Job Requirements: 1. More than five years of work experience 2. Prof...
I want to use a 51 single-chip microcomputer to control two stepper motors to move in an arc, but I don't know how to calculate the arc, that is, how many steps the Y axis will take if the X-axis moto...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[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]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[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]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[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]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[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]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[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]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]