Rc500 communication is mainly divided into 4 steps . The first step is to find the card, write the communication command 26h or 52h to fifodata, write the command 1eh to command, and get the card type...
I remember there was an advertisement about Bufei Pills, and I remember one line very clearly: "The most important thing for a person is to take a breath...."Speaking of breathing lights, they must gi...
https://blog.adafruit.com/2020/02/15/ci...nneubauer/This is a relatively small development board that supports CircuitPython and can be embedded in other devices, using the ATSAMD21 controller....
In recent years, LED as a new energy-saving light source has won high investment enthusiasm and great attention in the world and China, and has penetrated from outdoor to indoor lighting application m...
[size=4]GPU is the "heart" of the graphics card, which is equivalent to the role of the CPU in the computer. It determines the grade and most of the performance of the graphics card, and is also the b...
The EMI filter composed of LC has a lot of parasitic parameters, which greatly reduces the high-frequency (>1mvhz) drop characteristics of the filter. I have read the latest IEEE papers on this topic ...
MS-101D Anti-interference Dielectric Loss Tester I. Overview The dielectric loss insulation test can effectively detect the overall moisture deterioration and deterioration of the insulation of elect...[Details]
As a variety of existing and new signal protocols and modulation methods are applied to emerging wireless communication standards, the next generation of RF test instruments need to adopt new digit...[Details]
On August 19, Tesla held the Tesla Artificial Intelligence Day (AI Day) event in the United States, announcing important information such as the progress of Tesla's pure vision solution FSD, neural n...[Details]
The logistics industry has developed rapidly in recent years, and a design scheme for a logistics vehicle monitoring terminal based on GPS (Global Positioning System) and CDMA (Code Division Multip...[Details]
Recently, a price chart of the "Qiong version" iPhone on the Internet has caused quite a stir. Since the "Announcement on Hainan's Duty-Free Shopping Policy for Off-Island Passengers" was officiall...[Details]
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* Regarding the determination of frequency and duty cycle, for a 12M crystal oscillator, assuming that the ...[Details]
The craze for artificial intelligence (AI) has caused NVIDIA GPUs to be in short supply and prices to skyrocket. Huida's flagship A100 and H100 GPUs are exclusively supplied by TSMC. Samsung Electron...[Details]
Thanks to the increasing market demand and wider application scenarios, mobile
robot
controllers are beginning to move towards standardization, with increasing improvements in work efficien...[Details]
Method 1 : Set the pointer multimeter to the "RX1K" position and adjust it to zero. The side with the words on the field effect tube faces you, from left to right: G (gate), D (drain), S (source). Co...[Details]
I recently participated in a competition and needed to use the Broadcom s3c2410 development board to build a QT/Embedded environment. It took a lot of effort. I wanted to use the qtopia desktop at fi...[Details]
With the popularity of electric vehicles, the importance of the on-board charging unit (OBC) has become increasingly prominent. It is not only responsible for providing power to electric vehicles, ...[Details]
//Note: The GCC-AVR version used in this article is WinAVR20100110 Interrupts are not part of the C language, and the implementation of interrupts is implemented by the compiler. Therefore, the writ...[Details]
The whistleblower blogger @数码闲聊站 released some news about Xiaomi Tablet 5 and Redmi gaming phone. Xiaomi Tablet 5 will be submitted for online filing soon, and Redmi gaming phone will be released thi...[Details]
According to foreign media reports, researchers at the University of Waterloo in Canada have developed a cheaper and more efficient way to enable high-speed wireless connections for IoT devices. ...[Details]
0 Introduction
In many electronic systems, a sine wave signal with adjustable frequency and amplitude is often needed as a reference signal or carrier signal. Usually, sine wave signals ar...[Details]
RF/Wirelessly
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