Another week has passed. I tested it twice this week. The first time, as everyone said, I couldn’t connect to the Internet. After trying N times, I still failed. Later, I found that I needed to use a ...
As shown in the figure, I converted +5V to -5V through MAX735, and then supplied the positive and negative 5V to the dual power amplifier. Once powered on, -5V was pulled down to 0V. After disconnecti...
Designers of Internet of Things (IoT) products are currently gravitating toward wireless connectivity based on Wi-Fi because it is widely deployed and well understood. However, any type of RF function...
[align=left][font=-apple-system,][color=#000000] Recently, a project was deployed. Party A used a virtualization platform and the servers provided were all virtualized cloned machines. The default par...
SABIC, a global diversified chemical company, today launched an ecosystem called BLUEHERO™ to accelerate the world's energy transition to electricity and support global climate change goals . This ex...[Details]
I. Overview Traditional thermal conductive materials are mostly metals and metal oxides, as well as other non-metallic materials such as graphite, carbon black, A1N, SiC, etc. With the developme...[Details]
There are often discussions in QQ groups about E2PROM operation, protection, failure, and other issues. Today, I have nothing to do, so I will briefly summarize them. (I am not very knowledgeable, so...[Details]
Due to the constraints of power consumption, cost and size, the processing power of embedded microprocessors is also far behind that of desktop system processors. Therefore, embedded systems have m...[Details]
1 Introduction
Active Power Filter, a new technology that uses power electronics technology to suppress harmonics and improve power quality, has become a new hot spot in the field...[Details]
Are brushed DC motor drives and brushless DC motor drives the same?
The principles of brushed DC motor drive and brushless DC motor drive are different, so there are also significant differenc...[Details]
"Greater China is one of Infineon's most important and dynamic regional markets in the world. Infineon has more than 3,000 employees in Greater China, and its business operations cover 10 cities, 1...[Details]
According to China Business News, after nearly four months in office, former Samsung China CEO Zhang Yuanji has resigned from Beijing ESWIN Technology Group Co., Ltd. Before his resignation, Zhang Yu...[Details]
Figure 1 is the circuit principle of the high-speed control scheme LED display. The MCS51 series single-chip microcomputer is used to control the LED display; the random access memory 62512 is used...[Details]
As the Spring Festival approaches, the mobile phone industry, which has been busy for a whole year, has finally ushered in a little calm. Of course, this is only temporary. In the coming Februa...[Details]
After changing its silence in the past, Xiaomi Motors began to frantically test the boundaries of the market. "Take it seriously!" Judging from past experience, leaking car design secrets is a bi...[Details]
Mark Gurman, a columnist who has followed Apple for a long time, believes that as Apple’s new bet, although the mixed reality headset has attracted widespread attention, it is unlikely to create ...[Details]
1 Introduction
The RF transceiver CC2420 uses Chipcon's Sman RF 03 technology and adopts 0.18μm CMOS process. It requires very few external components, has stable performance and extremely l...[Details]
Selecting bulk decoupling capacitors
for energy storage/transfer processing in microprocessor systems
is a complex matter. Due to the emphasis on physical size of the product, processor manu...[Details]
Someone told me he had a 4-20mA current source. He wanted to determine if the current was out of range, or if the wire was broken! But no one knew how to detect that. If you want a tough challenge,...[Details]
RF/Wirelessly
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