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...
LM317 integrated voltage regulator circuit[Date: 2006-2-22 ] Source: NAND GateAuthor: NAND Gate [Font size: large, medium, small ] LM317 is a common adjustable integrated voltage regulator with a max...
Background
Many car manufacturers have devised a clever way to save fuel in their cars, using a new concept called the "Start/Stop" system. This system automatically switches off the engine...[Details]
On April 16, Huaxing Yuanchuang released its 2019 annual report. The company achieved revenue of 1.258 billion yuan, a year-on-year increase of 25.14%; the net profit attributable to shareholders of ...[Details]
Cincoze, a rugged embedded computer brand, will make its grand debut at Embedded World 2024 (Hall 1, Booth No.: 1-260) in Nuremberg, Germany from April 9-11. This exhibition will take "AI Series ...[Details]
Overview
The digital Airfast reference design is an all-in-one active digital antenna designed for outdoor medium-power O-RAN radio units and small base station antennas. The solu...[Details]
National Instruments (NI) recently announced that it is working with Kollmorgen to expand the scope of motion control applications. Kollmorgen is a leading global supplier of motion systems and compo...[Details]
For a newly designed circuit board, debugging often encounters some difficulties, especially when the board is large and has many components, it is often difficult to start. But if you master a set o...[Details]
1. How to identify the brightness of LED display 1. Make a 3V DC power supply that is easy to connect to the light-emitting diode. It is best to use batteries. You can use two button batteries, ...[Details]
On October 25, with the joint launch of the "Vehicle-Electricity Service Package" product by Wang Yimin, Assistant General Manager of State Grid Corporation of China, Shen Jianxin, General Manager ...[Details]
【Abstract】This article mainly introduces the circuit design principle and circuit board production method of LED dot matrix Chinese character display screen controlled by 89c51, which is conducive to...[Details]
1. Overview
Human proximity sensor, also known as contactless proximity sensor, is an ideal electronic switch sensor. When the metal detection body approaches the sensing area of the sen...[Details]
Samsung Advanced Institute of Technology (SAIT) has recently removed autonomous driving from its research projects and will prioritize
research in
robotics
and other fields, with relevant de...[Details]
Interface Circuit Design of FT245BM
The design is powered by the USB bus. In Figure 2, the FT245BM is connected to an MCU. An 8-bit port of the MCU is used to transmit data, and the ot...[Details]
1. Background
Driven by multimedia, color LCDs are increasingly used in embedded systems. Most PDAs and mobile phones use LCD as a display device, so learning the application of LCD is of...[Details]
Kentucky Governor Beshear announced today that
Envision AESC, a world-leading automotive battery technology company, will invest $2 billion to build a 30GWh super factory in Bowling...[Details]
Recently, the 1MW vanadium battery energy storage system provided by Tianfu Energy Storage to a customer has successfully passed strict quality inspections, fully complies with established industry...[Details]