Chips are in short supply now, and I need a 3.3V to power an LED. Can I use 5V to connect two diodes in series to reduce the voltage to 3.6V as a replacement?...
#includesbit BT_SND =P1^0; sbit BT_REC =P1^1; /**************************************************IO port simulation 232 communication program uses two ways of C program to occupy timer 0 *************...
Now many people want to engage in embedded development. I also have this idea. I would like to ask friends who are engaged in embedded development to give some opinions to set the record straight!!!...
I used to search for most of the datasheets of components on my computer on EEWORLD, but now I basically don't use it anymore. Here's the reason: after the revision, it seems that only the prefix of t...
Recently my boss asked me to make a circuit using a photoelectric proximity switch, NPN normally open, to judge the object, then connect it to a voltage comparator, and then connect it to the I/O port...
As the whole equipment is constantly miniaturized and power-saving, low-power-consumption low-dropout linear regulators (LDO) are becoming the mainstream of the linear regulator market for switching p...[Details]
With the continuous improvement of living standards and the increase in the proportion of urban aging, the household use of medical electronic equipment has gradually become a trend. Among them, the...[Details]
Keeping the heart environment compact and warm is beneficial in most cases, but it’s another story for electronic heart scanners. When GE Healthcare was designing a scanner that was said to be the fas...[Details]
At present, a hot spot for the research and development of hearing aids abroad is concentrated in China. To be more precise, it is based on the research of Chinese language and speech, and the deve...[Details]
Controller Area Network (CAN) is a type of fieldbus. It is a serial communication network that effectively supports distributed control or real-time control and is recognized as one of the most pro...[Details]
As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive ...[Details]
Overview
Currently, many portable consumer electronic products, such as mobile phones, PDAs, MP3 players, and notebooks, are equipped with display screens. Although the type and size of the di...[Details]
Today, various applications such as consumption, computers, industry and instruments urgently need compact and effective power solutions, while also meeting the requirements of efficiency, fast tra...[Details]
introduction
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]
Battery system architecture
For many years, nickel-cadmium batteries and later nickel-metal hydride battery technology have dominated the market. Lithium batteries have only entered ...[Details]
Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]
Nowadays, video conferencing has become a situation where multiple manufacturers supply various high-definition products. The technology of high-definition products has greatly matured, the cost h...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
With the development of science and technology, the improvement of living standards and the acceleration of the pace of modern cities, people are increasingly pursuing more convenient, practical an...[Details]
Analog electronics
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