[i=s] This post was last edited by paulhyde on 2014-9-15 03:13 [/i] Is there a 1W speaker in the component list of this year's Jiangsu Province Electronic Design Competition? How to solve it?...
I use 9V batteries to power the microcontroller system after processing them to 5V, but the circuit cannot work properly if the voltage is lower than 4.1V. I would like to ask everyone, who has a batt...
Since I can't simulate it, the reading data gaps I measured with an oscilloscope are all high levels. The calculated temperature is 0 degrees. I don't know what the problem is. Please answer it with a...
Without further ado, here are the pictures:I recently went on a business trip to a customer's site to debug equipment. The scene is shown above. The technical part I was responsible for included a fun...
There is an EEPROM on the GD32E230C development board, which is read and written through the I2C connection. The relevant files are mainly i2c.c and at24cxx.c and the corresponding header files. Copy ...
My name is You Binbin, 21 years old, male. I graduated from Electronics and Information Engineering, I am very familiar with the 51 single-chip microcomputer core, and I have two months of training ex...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[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]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
Electronics Design Contest
京公网安备 11010802033920号
EEWORLD
