PIN3 of GPIOA and PIN3 of GPIOB on my STM32 chip's GPIO are both hardware-connected to external interrupts. How do I initialize and set up the interrupts?...
The application for the dongle board is also finished, and it's almost time to produce something. In the past two days, I have set up a development environment, roughly got the GPIO fixed, and wrote a...
This is the homework assigned by my teacher. I have been working on it for a long time but have not made any progress. I don't know how to do it. I want to ask if any experts know how to do it? I want...
Power Design Tip 36: Use high-voltage LEDs to improve bulb efficiency : https://training.eeworld.com.cn/course/482Power Design Tip 36: Use high-voltage LEDs to improve bulb efficiency...
1. It is too tiring to employ human volunteers. It is better to develop more various volunteer robots.
2. Volunteer robots can be used in any community, public place or entertainment place as long as ...
From EEWORLD cooperation group: arm linux fpga embedded 0 (49900581) Group owner: Wangkj Sailor 21:22:38 Brother Jian is drunk Sailor 21:22:50 Brother Jian in the group is drunk, he is a professional ...
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[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]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]