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...
"In terms of AF open-loop performance, the performance of the shrapnel is unified. The domestic motor manufacturers have focused on AF shrapnel, which has led to the current domestic dominance of AF ...[Details]
There is the following single-chip computer program, whose function is to send characters 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 through the serial port, baud rate: 9600, no parity bit, 8 data bits, 1 stop bit....[Details]
China Energy Storage Network News:
Building an internationally leading energy internet standard, testing and certification system is an urgent need to guide the sustainable and healthy develo...[Details]
The transformer comprehensive tester is also called the transformer volt-ampere characteristic tester. Its main function is to detect the transformer. We know that the capacity of the transformer is ...[Details]
Real-time interrupt is a timing module. When the timing overflows, an interrupt is generated. The first step is that the real-time interrupt RTI is disabled by default. How can RTI work? This is wher...[Details]
Audi is a brand that has taken car lights to the extreme. It is known as the "Four-Ring Light Factory". There are endless jokes about Audi headlights. "When I was waiting for the red light at the int...[Details]
The current new research direction is to combine motion control technology with industrial bus and network technology. In the past, general controller and driver control structures were used. Such ...[Details]
The multimeter is the most commonly used test instrument in the maintenance electrician industry. You must be proficient in using the multimeter and understand the testing principles of the multimete...[Details]
1. Introduction Spectroscopic analysis is a very mature analytical method. It is widely used in many application fields such as chemical analysis, environmental testing, gas chromatography, optical l...[Details]
74 series commonly used devices
Commonly used AND gate and NAND gate devices
MM54HC08/MM74HC08
MM54HC11/MM74HC11
MM54HC00/MM74HC00
Commonly used OR gate and NOR gate devices
MM54HC32/MM74...[Details]
Members of the Automated Driving Computing Consortium include General Motors, Toyota, Denso, Continental, Bosch and NXP. According to foreign media reports, at the Arm TechCon 2019 conference held...[Details]
The fourth OTA upgrade of Xiaomi Watch is here, and the latest version is XM082. The update will be pushed within 4 days from June 15th to 18th. The new version supports unlocking mobile pho...[Details]
The automotive thermal management system is used to control the temperature and cool the car to ensure that the car parts and the cockpit are in a suitable temperature range. In new energy vehicles...[Details]
By the end of 2019, the auto market is still going through a cold winter. Along with the news of layoffs, there is also a wave of transformation of auto companies. Auto giants and parts manufacture...[Details]
IP telephony is a telephone service opened according to the network technology content stipulated by the Internet Protocol. It is a new communication technology that uses the Internet as the medium...[Details]
ADI Reference Circuit
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