This is a simulated clamp circuit experiment. When the "internal resistance" is not set for the signal source, the output voltage of PR1 follows the voltage of V2.After adding the internal resistance,...
[i=s]This post was last edited by Digital Leaf on 2022-11-1 20:49[/i]I have used boards that run microPython before, and I have also burned firmware into boards that support microPython firmware. Afte...
We are using LCD to display a specific waveform recently, but we need to read it back. From the LCD (ST7920 controller) data, we can read the data in DDRAM and GDRAM, but we have not succeeded. Since ...
MP3 chargers are one of the most easily damaged accessories. After repairing many types of chargers, I found that they basically all use switching power supply circuits, and the circuit structures are...
[url=http://www.tudou.com/programs/view/bJ-JtipiUZE]http://www.tudou.com/programs/view/bJ-JtipiUZE[/url] Haha, I couldn't copy the video but it's quite funny...
Article author: gaosi Article source: Mobile 3G website www.Goes3G.com/ Free WAP sites have gradually become a hot topic. In these sites, all resources including ringtones, games, dating, videos, and ...
Designing for automotive LCD displays larger than 5" can be complex. The display source driver requires a supply rail called analog voltage device drain (AVDD) in the 10V to 15V range and two supply ...[Details]
In order to strengthen the management of new energy vehicle charging facilities in our city, prevent and reduce accidents, protect the lives and property of the people, and improve the public safet...[Details]
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]
In the actual project development process, it is common to encounter modifications to the hardware circuit, and then the modified part requires the modification of the driver. Thinking about the comi...[Details]
CMSIS Driver has similar API functions and similar calling methods. It is a further encapsulation based on the ST HAL library. It is much more convenient and simpler to use and configure than the ST ...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
1. Initial understanding of FSMC: FSMC consists of 4 modules: (1) AHB interface (including FSMC configuration register) (2) NOR flash memory and PSRAM controller (when driving LCD, LCD is like a PSRA...[Details]
I slightly changed the lyrics of Yu Quan's song "Running", which seems to be
a reflection of the current state of
Huawei Cloud
. At the annual Huawei Analyst Conference held on April 17,
Zh...[Details]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[Details]
This small program is still the use of timer, which is relatively simple. The specific parts are noted in the comments, please refer to the comments. /*********************************************...[Details]
1 Introduction Due to the special working environment of coal mine production, the production process is more dangerous and unsafe than the general industry. With the continuous increase in c...[Details]
In recent years, in order to meet the needs of social development, more and more companies have entered the fields of smart phones, artificial intelligence,
VR
, AR, etc. After seeing the d...[Details]