Maybe it’s because I stayed in Northeast China for too long, so when I arrived in Shanghai, although the temperature was not low, it was indeed a bit cold indoors!
So I decided to buy a heater. After ...
1. I was going to take a taxi by myself, and the driver asked me:Where are you two going? 2. A man was walking away from the scene of a car accident, and someone stopped him:Hei! One of your hands is ...
1. Overview
This article mainly describes the debugging process of M4 core LoRa based on the Raspberry Pi expansion board of the wireless serial port module with LoRa modulation function.
2. Hardware ...
In the real world, water quality and gas monitoring are closely related to human life.With the country's investment in environmental protection, the demand for analysis, management, protection and det...
Huawei whistleblower @长安数码君 released new information about Huawei monitors. He said that Huawei's new monitors have two models, one is positioned as professional office grade, and the other i...[Details]
Jiang Bin, Chairman and Party Secretary of State Grid Shandong Electric Power Company
The company's most urgent and important task at present is to accelerate the construction of ubiquitous po...[Details]
1 Introduction Road lighting is an important part of urban public facilities. At present, most of the domestic road lighting systems do not adopt network monitoring and management, and can on...[Details]
To
drive
more than one high-brightness white LED, the design engineer needs to choose whether to connect the LEDs in series or in parallel. Parallel connection...[Details]
The cost-conscious manufacturers have actually already calculated everything. The New Year is coming soon. If you plan to give a gift to a friend and want it to look impressive and classy, ...[Details]
On June 24, the 2023 National Science and Technology Progress Award, one of the most authoritative and influential awards in China's science and technology community, was officially announced at th...[Details]
I am using the TQ2440 development board, and this program is based on Wei Dongshan's. 4 LED lights The following are the drivers #include linux/module.h #include linux/kernel.h #include linux/fs.h ...[Details]
Abstract: One of the important indicators to measure the design and configuration level of an IDC computer room is not only whether its UPS redundant power supply system has high reliability, high ...[Details]
Spring is the best season of the year. This spring, the term "new quality productivity" has become the most popular one. On March 28, the Shenzhen International Industrial Manufacturing Technology ...[Details]
Parker's EY series is a permanent magnet explosion-proof brushless servo motor for use in Zone 2 explosive environments. It can operate safely in Zone 2 (gas and dust environments) at up to 40 or 6...[Details]
In daily life, people are exposed to a large number of surfactants: such as soaps, detergents and washing powders. Therefore, the corresponding analysis work has become increasingly important, especi...[Details]
Infrared thermal imaging cameras are suitable for non-contact temperature measurement projects in all companies around the world. Spot thermometers are another widely used non-contact temperature mea...[Details]
As LED lighting is getting more and more popular, LED driver power supply, as the life support of LED, is also attracting more and more attention. I have always heard many people say that LED power s...[Details]
Yesterday, Lu Weibing, vice president of Xiaomi Group, president of China, and general manager of the Redmi brand, posted on Weibo to analyze the situation of the Chinese smartphone market. Lu Weib...[Details]
While the world grows more dependent on fossil fuels, the renewable
energy
sector remains a favorite for venture capitalists and government investment.
Hundreds of billions of dollars h...[Details]
Test/Measurement
京公网安备 11010802033920号
EEWORLD
