Put some paper files in a folder, only the administrator can pull the paper files out of the folder, and others can only open the folder to read. Have you seen this device?...
SPI Specialist (Process Optimization): 1. Bachelor degree or above, computer-related major2. More than 2 years of software development experience, at least 1 year of SPI, CMM or ISO related experience...
Hello everyone, I have a question and hope you can help me: I want to use GPRS MODEM to send and receive text messages, but first I need to know if this module is easy to use. I saw someone say that u...
Author: Huang Gang, member of YiBo Technology Expressway
Mr. Gaosu has actually wanted to write about this topic for a long time, because every year, whether at seminars or customer sites, or in the i...
The MCU used is f149, the interface is hardware SPI, at45db041d is the flash storage IC, I bought a module. The process is very simple, that is, the MCU sends instructions to the flash chip through th...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
With the reform of the education system, the proportion of funds invested in teaching facilities by colleges and universities has become increasingly important. As the most basic hardware condition fo...[Details]
Pure C51 reset function: A junior student, who makes people love and
fear The single-column reset part is as follows:
main()
{
unsigned char code rst ={0xe4,0xc0,0xe0,0xc0,0xe0,0x32}; ...[Details]
Embedded System
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