#include stdio.h
#define FRAME180
short int h[19] = {399,-296,-945,-1555,-1503,-285,2112,5061,7503,8450,7503,5061,2112,-285,-1503,-1555,-945,-296,399
};
static short int nBuff[FRAME + 20];
void Lowpas...
1. IntroductionDuring the debugging process of the device, you often need to check some data and operating status of the device. Use the STM32H745 development board to display the main data and status...
There are many high-frequency ultrasonic sensors for sale on the Internet, but they do not have the relevant sensor processing circuits.
How can we design this kind of circuit? The sensor doesn’t seem...
Introducing a national invention patent - a smart water meter with one card. The patent was applied by Zhengzhou Leyuan Electronic Technology Co., Ltd. and was authorized on January 9, 2018.Contents
T...
There are generally two reasons for oscilloscope waveform jitter. One is that the signal is not synchronized, which is a problem with the oscilloscope trigger setting. The other is that the signal its...
Signal integrity is the main criterion for measuring signal quality with an oscilloscope, especially when we need to observe small signals or slight changes in large signals, signal integrity becomes ...
Throughout 2017, the mobile phone display screens in the Chinese market generally continued the pattern of previous years. For example, after the price of feature phone display screens returned to ...[Details]
Samsung today (4) released its latest mobile processor, Exynos 980, which has an integrated 5G baseband. Based on advanced 8 nanometer (nm) FinFET process technology, the Exynos 980 is Samsung's fir...[Details]
The "three transformations" of automobiles are accelerating, and automotive chips are widely used
With the acceleration of electrification, networking and intelligence, automotive chips ar...[Details]
MT8880 is a chip commonly used in our phone dialing applications. It integrates sending and receiving. If designed properly, it is still a very stable
The advantage of this IC is that it can form a...[Details]
Amazon is finally entering the wearables market. In recent years, the e-commerce technology giant has been steadily expanding its first-party hardware portfolio, focusing primarily on smart home te...[Details]
Achieve up to 10 times battery life, expanding the application range in IoT devices
Nijmegen, July 12, 2023:
Nexperia, the expert in high-volume production of essential semicondu...[Details]
1 Introduction When a vehicle is driving on a turning road or lane, a traditional fuel vehicle ensures that the wheels on both sides can rotate at different speeds through a mechanical differential b...[Details]
I. Introduction Today I would like to recommend a small experiment with 51 microcontroller to you, using the 51 microcontroller to make a simple electronic clock. The timing module uses the DS1302 ...[Details]
Content-addressable memory (CAM) is a memory that addresses content. It is a special storage array RAM. Its main working mechanism is to automatically and simultaneously compare an input data item wit...[Details]
As early as May, when Redmi held the Redmi 10X series launch conference, the official also launched the Redmi Smart TV X series. At that time, the X series released three different sizes of products,...[Details]
MediaTek has released the Helio P65, a new generation smartphone chip platform, using a 12nm process technology. Its new octa-core architecture enables the chipset to achieve unprecedented high perfo...[Details]
The single-chip microcomputers used in industrial process control and intelligent instrumentation are inevitably subject to various electromagnetic interferences due to the often harsh field conditio...[Details]
1. Concepts of Interrupts and Interrupt Events
In our daily work, we work according to the normal process. If an emergency occurs in the middle of the work or we need to take care of another t...[Details]
The STC89C52RC microcontroller ultrasonic distance measurement program and electronic production object collected on the Internet are tested using the smallest microcontroller system. The ultrasonic ...[Details]
According to a report by Expert Market Research, the global market size reached approximately $10.88 billion in 2023. The market is expected to grow at a compound annual growth rate (CAGR) of 7.90%...[Details]
Microcontroller MCU
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