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This year, the school opened a DSP course, so I started to enter the DSP field. The equipment provided by the school is the Beijing Baike Rongchuang experimental box RC-DSP-II+, which contains the C20...
After the last article, we will enter our application article. There is still time for experience, so let's not waste time on compilation. Let's experience our QT development today. In fact, Allwinner...
Silicon wet etching Silicon etching is typically done with a mixture of nitrogen-containing substances and hydrofluoric acid in water. This ratio becomes an important factor in controlling the etching...
[backcolor=rgb(222, 240, 251)]In a small closed environment, the microphone audio is fuzzy after passing through the op amp; in an open environment, the sound picked up by the microphone is normal and...
Security is of paramount importance in all IoT device design and deployment.Billy Meadow, President and CEO, CTO, and Jeff Kase, Chief Architect at LocatorX, share some insights into the current and f...
The chip uses LVDS standard to output data and applies internal reference voltage. The chip is powered normally and the measured results are:
1. REFOUT1 (Pin 12) and REFOUT2 (Pin 26) pin voltage 4.096...
It’s almost a tradition for Microsoft to hold a Surface event in October, and even though everything has been postponed due to the pandemic, it won’t change this year. According to well-known leaker ...[Details]
1. Timer 0, fast PWM mode Fast PWM can get a relatively high frequency PWM output, but the duty cycle adjustment accuracy is slightly worse. At this time, the counter only works in a one-way forward ...[Details]
Waveform Chart Digitally draw points, arrays and lines
1 You can connect a single number or a cluster of two numbers, and draw one or two points each time you execute it.
2 If a loop contains a clu...[Details]
The main factors affecting resistance or resistivity testing are:
a. Ambient temperature and humidity
The resistance value of general materials decreases with the increase o...[Details]
Taking Agilent's 90000A series digital oscilloscope as an example, we will introduce the structural principles of digital oscilloscopes. Figure 1 Internal structure diagram of digital oscilloscope ...[Details]
Introduction: This paper introduces a digitally controlled DC voltage-stabilized power supply with high regulation accuracy and easy operation. The AVR series single-chip microcomputer Atmega8 is use...[Details]
Recently, the authoritative data consulting agency S&P Global released the Energy Storage Inverter (PCS) Report 2024. The report shows that in 2023, Kehua Data (002335)'s wholly-owned subsidiary Kehua...[Details]
0 Introduction
Traditional human-computer interaction relies on complex keyboards or buttons. With the development of science and technology, some new human-computer interaction methods have been b...[Details]
According to foreign media reports, the US Patent and Trademark Office recently announced 62 new patents from Apple, one of which is related to spatial audio downmixing. The patent relates to co...[Details]
In August this year, Xiaomi CEO Lei Jun said that MIUI 13 will be released at the end of the year and hopes it will live up to everyone. As the release date approaches, there have been more and mor...[Details]
introduction
Electric vehicles have always been a focus of attention for their cleanliness and environmental protection. With the intensification of the energy crisis and the continuous rise in ...[Details]
The Qichacha App shows that recently, Beijing Xiaomi Mobile Software Co., Ltd. disclosed a "mobile phone" appearance patent, publication number CN306350869S, and the application date was July 2020. ...[Details]
1 Introduction
At present, most hydraulic equipment manufacturers still use manual methods to test the performance of their products. Not only is the test efficiency low and the error large, but a...[Details]
Simple tutorial on ARMv4 transplantation : I believe that many friends in China have s3c2410/2440 films, which are based on the armv4t (arm920t) instruction architecture. Previously, because ...[Details]
Mitsubishi PLC FX3U series is a very popular small PLC with high performance, high reliability, ease of use, etc. In practical applications, remote I/O settings are one of the common requirements.
...[Details]
Microcontroller MCU
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