I am now using the adxl345 sensor to detect bicycle brakes. The X-axis is used to detect speed changes and the brakes can be very sensitive, but when the bumps are too small, they are mistakenly judge...
[i=s]This post was last edited by manhuami2007 on 2022-10-23 10:14[/i]Contactless facial recognition access control system
1. Introduction
In the epidemic environment, people don’t want to touch thing...
Written in front:
If the forum is like a school, then the moderators are like the teachers of various subjects in this school, spending their personal time and energy to share what they see and know i...
NFC technology evolved from contactless radio frequency identification (RFID). The transmission range of RFID can reach several meters or even tens of meters, and it can only read and judge informatio...
The entry.S in sirv-e-sdk is related to exceptions (interrupts). To use the interrupt function, you must understand how to write an interrupt handler. The main contents of entry.S are as follows:
#inc...
By setting three baud rate-related registers, namely the baud rate integer UxBR1, UxBR0, and the baud rate trim register UxMCTL, the baud rate control parameters are calculated using the following for...
Automotive electronics is the largest application market for MCUs. According to IC insight data, automobiles accounted for as much as 35% of the global MCU application fields in 2021.
Du...[Details]
At around 11 a.m. today (October 21), a fire suddenly broke out at TSMC's South Science Park in Tainan City, Taiwan Province. The construction sponge of the recycled water plant under construction ca...[Details]
At the end of April, domestic packaging and testing leaders Changdian Technology, Tongfu Microelectronics, Huatian Technology and Jingfang Technology announced their first quarter results this year. ...[Details]
Recently, I have received many inquiries from friends, who want to install Xiaomi's smart home system. What should I pay attention to when decorating? I have summarized the following points, which ...[Details]
The principle of virtual pixel display
The virtual pixel LED display screen uses software algorithms to control the light-emitting tubes and enable the light-emitting tubes to partic...[Details]
Introduction: Variable frequency speed regulation technology is an important development direction of modern electric drive technology. As the core of the variable frequency speed regulation syste...[Details]
In more than half a year, I have traveled to more than 10 cities including Beijing, Wuhan, Xi'an, Dalian, and visited more than 20 universities including Hunan University, Xi'an Jiaotong University, a...[Details]
1. Introduction
With the continuous improvement of automation level, these electronic devices are mainly composed of large-scale integrated circuits, the chip size is getting smaller and sma...[Details]
Key Points
1. The growth of multimedia content on mobile devices requires larger storage capacity and faster connection speeds.
2.USB 3.0 5Gbps native signal rate can support the transmis...[Details]
According to a new report from analyst firm Mobile Experts, Ericsson has jumped to the top of the RAN (radio access network) market in 2021. Ericsson (see Table 1 at the bottom of this article) has a...[Details]
0 Introduction
With the continuous development of multimedia and network technology, how to effectively use channel bandwidth when transmitting image or video information has become one of the ...[Details]
Let us analyze the situation during the shutdown period of the control switch K.
During Toff, the control switch K is turned off, and
the current
flowing through the primary coil o...[Details]
(1) Turbine The turbine is made of magnetically conductive stainless steel and is equipped with spiral blades. The number of blades varies according to the diameter, ranging from 2 to 24. In order fo...[Details]
Google issued a notice at the end of 2020, stating that it would no longer provide users with unlimited storage space for free starting June 1, 2021. The total space size of each account's online dis...[Details]
1. Overview of Thermal Management System for New Energy Vehicles
Automotive thermal management refers to the overall control of vehicle heat and ambient heat from the perspective of the system...[Details]