After understanding the assembly before kernel startup, let's take a look at the official C language startup code, that is, our start_kernel function. start_kernel is quite large, and each function ca...
"C++ Qt Design Patterns (2nd Edition)" is a classic course that has been used by Suffolk University in the United States for more than ten years. It uses the cross-platform open source software develo...
[color=#333333][font=arial, 宋体, sans-serif,]This is part of the circuit of the intelligent window control system. [/font][/color][color=#333333][font=arial, 宋体, sans-serif,]Why is the output of the ph...
I would like to ask how to send AT commands to check GPRS signal strength while dialing up to the Internet. The module is siemens mc 55. Principle: MC55 supports multiplexer, so one serial port can be...
I have a question for you guys: In DXP2004 sp2, I have edited the schematic, but then I want to move the components, but after moving, the wire connections are incorrect, how can I fix this? Please te...
Looking back at 2012, I prepared materials for DIY (1) transformers, (2) CNC switching power supplies, (3) UFOs, and (4) tube amplifiers. The DIYs that have been completed include transformers and tub...
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[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. 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]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[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. Advantages of CAN-bus in coal mine communication
Coal mine production is a field closely related to the national economy and people's livelihood. Among them, coal mine safety is undoubtedly ...[Details]
Since the first rechargeable battery was invented in 1859, batteries have been developed for a century and a half. With the improvement of human science and technology and the advancement of manufa...[Details]
1 Introduction
In order to cope with the energy crisis and slow down global warming, many countries have begun to pay attention to energy conservation and emission reduction and the de...[Details]
There are two main ways to measure temperature: one is the traditional contact measurement, and the other is
non-contact measurement represented by
infrared temperature measurement
. Tradit...[Details]