I am an electronics novice. I almost wasted my four years in college. I know a little about 51 and C, I can play with the entire development board, and I can write a remote-controlled adjustable perpe...
I will be a senior soon, or I am already a senior. As a girl majoring in engineering and communications, I feel a lot of pressure. The experiences of my seniors in the same major are there.
I don't kn...
[font=宋体][size=1][color=#ffffff]Changhui Instrument[/color][/size][/font][font=宋体][color=#000000] Voltage transformers are usually connected to energy meters, voltmeters, multi-function power meters a...
Microcomputer Principles and System Design : https://training.eeworld.com.cn/course/4926This series introduces the principles of microcomputers and system design, number systems and code systems in co...
I use a 3886 power amplifier tube to drive a pair of transistors to expand the current, and then the output of the transistor drives the transformer to make the final output, but the PNP transistor is...
How to define these state_machine rcvdat retval is serial communication parsing if(state_machine == 0) // Protocol parsing state machine { if(rcvdat == 0x55) // Received the first data of the frame he...
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[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]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[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]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
Talking about work
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