The upper program + driver + D12 firmware source code of the circle's USB custom device, as well as the USB firmware of the virtual serial port of STM32 modified by myself. For details, please refer t...
Professor Chen Yongzhen, a famous expert in the field of capacitors, has a wonderful speech that is worth watching.Main content: Capacitors inswitching power supplies Capacitors widely used inswitchin...
I used two PCBs (the schematics are the same, just the layout is different) to connect the same RX, but the receiving distance is different. For example, the routing of the power line plus the capacit...
[i=s]This post was last edited by lb8820265 on 2021-11-29 00:44[/i]The method of using threads and then querying in C language to implement the timer function is not reliable. I innovatively thought o...
Just as the title says.I have done SPI communication between two CM3 chips before. Whether the master device sends data to the slave device or the slave device sends data to the master device, the dat...
Wireless personal area networks (or WPANs) are particularly useful for sensing, monitoring, and control applications. Cost-effective WPANs have the unique potential to implement wireless connectivi...[Details]
Designers of handheld products such as cell phones, digital cameras, MP3 players and personal digital assistants (PDAs) are continually challenged to deliver more functionality in a smaller form...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]
Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
TMS320C62X is a new generation of high-performance fixed-point digital signal processor (
DSP
) chip
from Texas Instruments (
TI
). The software design problem based on
DSP
is to use...[Details]
Murphy's Law tells us that "what can go wrong, will go wrong". In the testing or production process of video equipment, problems often occur when we least want them to happen and when it is leas...[Details]
Abstract:
Using TMS320F2812 DSP chip as the control unit, without any gate control device control, the rich software resources of DSP 2812 are used to achieve equal precision measurement. A...[Details]
introduction
With the improvement of social automation, human-computer interaction capabilities urgently need a major change, and develop in a direction that is more convenient to use and more...[Details]
At present, ECG monitoring systems that mainly collect, analyze and diagnose ECG signals have been widely used, and have played a great role in the prevention and diagnosis of heart diseases.
...[Details]
I hope my mobile phone has more functions, I hope my digital camera is smaller, I hope my Walkman can listen longer... Consumers are always full of expectations for the performance of portable electro...[Details]
With the continuous development of the national economy, the application of variable frequency speed regulation devices is becoming more and more extensive. How to break the monopoly of foreign produc...[Details]
1 Introduction
With the rise of my country's automobile industry, the demand for related in-vehicle electronic products is growing, and has become a research and development hotspot in the...[Details]
The teardown of the third-generation iPhone shows that the phone is more integrated and may cost less, in part because of the use of chips from Broadcom and Toshiba. One analyst joked that the "S" ...[Details]
stm32/stm8
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