I am doing a project similar to identity authentication. Since the space of the object to be tested is small, the space is a hole with a diameter of 2cm. It is separated from the outside world by two ...
Starting from the evolution process from low-frequency circuit theory to RF and microwave circuit theory, this book discusses the method of analyzing and designing RF and microwave systems based on lo...
This article selects some mainstream programming languages and briefly introduces the language features and environment. I hope it can help some programming beginners and friends who are interested in...
The pulse waveform output by the photoelectric encoder can be measured using the 430 ordinary I/O port. Can the waveform period be measured? The capture/comparator ports are all occupied. I don't know...
From deyisupport [align=left][color=#000]Abstract: Time-lapse photography is a photography technique that takes images or videos at a low frame rate and then plays the images at a normal or faster rat...
[size=4][color=#a0522d]Capacitor is a kind of energy storage element, which has the characteristics of "blocking direct current and passing alternating current, negative low frequency and passing high...
Entering the information age after the millennium, the huge demand for semiconductor chips has made China the world's largest semiconductor market. According to relevant data, the scale of my count...[Details]
On April 20, Alibaba Group announced that it would acquire
the
chip
company Zhongtian Microelectronics and invest in six
chip
companies. Yesterday, JD.com CEO Liu Qiangdong said in a...[Details]
We have come a long way from the 2G era, and now 5G is about to be commercialized. Suddenly, we realize that time has passed quickly, but technology has never stopped. The activation of 5G heralds ...[Details]
Recently, there was news that the US government asked Google to shut down the Android operating system for ZTE phones. After that, some people even imagined what the consequences would be if Intern...[Details]
After studying the F4 FSMC method to drive the touch screen for a few days, I have gained some understanding, which are listed below. The unorganized record is only for my own reference in the future...[Details]
A few days ago, Hanergy Chairman Li held a grand launch of Hanwa new products, which once again attracted the attention of the mass media to the development of photovoltaics. The unique Hanergy has gr...[Details]
The adoption rate of serverless
cloud
computing
is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless
is
still
an eme...[Details]
This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]
This paper proposes a design scheme for an embedded CNC system based on ARM and FPGA. The software and hardware design of the ARM system, the implementation method of hardware fine interpolation ...[Details]
The implementation of CAN driver under embedded operating system Android requires not only adding CAN driver device in Linux kernel, but also implementing the call of Android HAL layer. Taking S5...[Details]
In recent years, the application of high-brightness LED has developed rapidly, especially in signboards and traffic lights. For automotive applications, LED is also very attractive. Long life, shock ...[Details]
STM32 Watchdog Summary I have been adjusting the development board of Atom Brother for more than a year, and it is basically usable, but I still don't understand the working mechanism of some basi...[Details]
Use the STM32 timer input capture module to control 3-way ultrasonic sensors. The ultrasonic sensor used this time is the common HC-SR04, which is often used in the obstacle avoidance system of smal...[Details]