1. Knowledge preparation To have a deeper understanding of the UCOS-II porting, two aspects of knowledge are required: (1) Target chip. Here is the LPC17xx series chip. They are all based on the ARMv7...
[i=s]This post was last edited by sylar^z on 2019-7-24 18:22[/i]This porting of the X-NUCLEO-IKS01A3 sensor driver is based on the NUCLEO-L011K4 development board, using the official en.x-cube-mems1.z...
sylar^zST Sensors & Low Power Wireless Technology Forum
Good morning, everyone. IEC 61000-4-5:2014 page 34 requires the applied surge phase for ac power ports five positive and five negative impulses each at 0, 90, 180 and at 270. For the three-phase power...
[Chuanglong TLA40i-EVM development board] +04.USB-Camera test-abnormal (zmj)The original plan was to test the USB-Camera, and after it functioned normally, perform functions such as Sobel edge detecti...
Preparation
Get machine codeRegister an account on MaixHub: https://maix.sipeed.com/After logging in, search for the face recognition model, click the [Download] button, and you will be prompted to en...
GoPro, once the king of sports cameras, is not doing well these days. Speaking of GoPro, everyone is familiar with it. In the early years, the participants of skydiving and bungee jumping on TV pro...[Details]
June 12, 2017, Texas Instruments (TI) recently introduced the industry's first 2 kilowatt (kW) isolated bidirectional DC/DC converter reference design for 48V to 400V uninterruptible power supplies (...[Details]
At 9:35 on December 20, 2019, the large screen of the power supply service command center of the State Grid Jiangsu Suzhou Power Supply Company issued an early warning message: the 10 kV Woods line...[Details]
A megger, also known as a megohmmeter, is an instrument used to measure the insulation resistance and high-value resistance of the equipment under test. It consists of a hand-cranked generator, a met...[Details]
On the afternoon of February 19, third-party disassembly organization iFixit released a disassembly video of the Samsung Galaxy Z Flip folding screen mobile phone, which showed the special struct...[Details]
With the growth of China's digital video surveillance market at an annual rate of more than 30% in the past 3-4 years and the growth of other fields, the video processing chip market has also grown...[Details]
Encoder classification: According to the working principle: photoelectric, magnetoelectric and contact brush type According to the hole engraving method of the code disk: incremental and absolute ...[Details]
This evening, Honor held a new product launch conference, in which the imaging of the Honor 70 series was upgraded again, and the IMX800 sensor was launched for the first time. In terms of hardwar...[Details]
C51 error written in keil *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: ?C_START Solution: 1. The file is not added to the project. 2. It may be because there are defined functions that have no...[Details]
China Energy Storage Network:
Facing the new opportunities, new fields and new applications of the emerging energy Internet industry, we can't help but think about a question: How can ente...[Details]
On March 26, Liu Tao, co-CEO of Zhiji Auto, said on social media that with exclusive patented technologies such as nano-scale solid-state electrolytes, the battery used in Zhiji L6 will become the ...[Details]
LED dot matrix display screens are widely used in shopping malls, railway stations, commercial advertisements and signal signs due to their convenient control, long service life, easy construction and...[Details]
Kernel version: linux-3.0 u-boot version: u-boot-2010.09 Development board model: FL2440 1. Modify the root file system No modification 2. Add kernel support for jiffs2 $ vt1...[Details]
Industrial control cabinet is a kind of equipment used in industrial automation control system, which has multiple functions and effects.
Centralized control function
The core f...[Details]