When it comes to Matter, some engineer friends may feel unfamiliar with it, so let me introduce this Matter to you here.
In fact, Matter is the smart home connection standard "Connected Home Over IP" ...
Scan the QR code in the picture above to inquire and learn more!What's the material?MDO3 Series Oscilloscopes1 GHz spectrum analyzer function now standard1 GHz passive probe (TPP1000) is now standard ...
[i=s]This post was last edited by xld0932 on 2019-4-19 12:25[/i] [font=Tahoma][size=3] Overview: The latest AT file on Espressif's official website is the ESP8266 AT Bin V1.7.0 version released on Aug...
Read image. Get pixels and print. Mat src_image_ = imread( "/home/jack/test2.jpg"); Vec3b bgr = src_image_.at(src_image_.rows/2,src_image_.cols/2);cout"B="If you don't force the conversion, the output...
Power on
I found a miniUSB data cable to connect to the link debugging interface, and I found that L_LED2 was flashing, and LED1 to LED4 were lighting up in a cycle. It can be seen that the program cu...
[i=s]This post was last edited by dql2016 on 2022-1-23 19:08[/i]Currently, many products with Bluetooth functions can be connected to WeChat applet or mobile app, so it is very interesting to learn ho...
1. Introduction
Home security has been a problem that has troubled people for a long time. The rise of "smart home" can be said to not only solve this problem, but also improve people's quality of ...[Details]
Maintaining a high degree of stability in the power supply voltage of the power amplifier circuit is the goal pursued by Hi-Fi . Therefore, some high-end power amplifiers appl...[Details]
Today we will look at the inverter cabinet control circuit to start the pump locally and monitor the circuit breaker status.
In the control loop, various electrical signals are often introduce...[Details]
The motor shaft is hollow, which has good heat dissipation performance and can make the motor lighter. In the past, most motor shafts were solid, but because the stress during the use of the motor ...[Details]
Google's hardware team has recently confirmed that it will launch two mid-range models, Pixel 3a and Pixel 3a XL, at Google I/O. Now the configuration parameter details of Pixel 3a have also been exp...[Details]
Nowadays, the decline in subsidies for new energy vehicles has become the norm, and the role of government subsidies in supplementing net profits will only become smaller and smaller. It is learned...[Details]
The aging population is creating significant challenges, driving the need for technology solutions to improve healthcare. Innovative component manufacturing and screening technologies play a vital ro...[Details]
1. Problem statement:
Compared with NiMH or NiCd batteries, lithium-ion batteries have a higher current density and are widely used in various portable devices. Lithium-ion batteries are us...[Details]
0 Introduction
Heart rate is a very important vital information in the human body, and traditional pulse diagnosis, due to its qualitative and subjective nature, affects the accuracy of heart ...[Details]
It is reported that Zhou Xiaohong, deputy director of the Technology and Planning and Design Department of the First Capital Group, said that the Beijing-Xiongan Expressway will be substantially star...[Details]
"Turn left and the car will go right; turn right and the car will go left." This magical operation is achieved by changing parameter settings. This is the wire-controlled steering system developed by...[Details]
1. Application AATCC Dry and Wet Crockmeter is a test instrument for the American Association of Textile Chemists and dyers. The Crockmeter tests the ability of fabric color to transfer from the surf...[Details]
1 Introduction
The insulation aging of transformers is mainly caused by the influence of temperature, humidity, oxidation and degraded substances decomposed in oil. However, the aging spee...[Details]
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