The STM32 chip selected in this book is based on the ARM Cortex-M3 architecture. According to the actual application requirements of MCU-based embedded technology, a variety of commonly used important...
For single-ended output/input, we can consider it as 50 Ohm. For double-ended differential ports, such as CC253x and CC254x, the differential impedance is a non-standard value.TI recommends copying th...
[font=Verdana, Helvetica, Arial, sans-serif]The LT768 industrial serial port screen solution provides 50 control instructions and 2 development modes. Users can use the graphic UI editor in conjunctio...
How to extend the battery's operating time is the biggest challenge facing power management systems. System designers are looking for ways to use battery power as efficiently as possible. Most of the...[Details]
Foreign media recently reported that a security researcher with the ID "MG" has created a special Lightning data cable that allows hackers to remotely access your computer. Lightning data cables a...[Details]
symbol _assert_failed not defined (Debugstm8s_adc1.o ) This problem occurred when debugging STM8, that is, the function assert_failed was not defined. I searched for the problem and found that void...[Details]
A few days ago, when Honor CEO Zhao Ming announced the release date of the Honor Smart Screen, some netizens immediately expressed their hope that there would be no advertisements. This proposal was ...[Details]
With the rapid development of devices and process levels, switching power converters have developed into efficient and lightweight DC power supplies. DC/DC converters (also known as secondary power s...[Details]
The magnetic float level gauge works on the principle of magnetic coupling. The product makes up for the multiple shortcomings of glass tube level gauges that cannot work under high temperature and h...[Details]
Like home appliances and medicine, the chip field also has its own instructions to help us understand the parameter details of the chip. It is the Datasheet. Whether it’s the first time we come into ...[Details]
At the 2020 CES, the German multinational business company Bosch showed everyone in a crowded venue how the oldest car parts are given life by the latest technology. Yes, the part we are talking abou...[Details]
At present, there are two main types of display screens according to the data transmission method: one is a real-time video screen that displays the same content as the computer; the other is an inde...[Details]
1. System Description
The system is applicable to colleges and universities across the country, and provides card reading, card issuance, query, statistics and other functions for students to purch...[Details]
51 MCU interrupt principle The concept of interruption: When the CPU is processing an event A, another event B occurs and requests the CPU to process it quickly (interrupt occurs). Then the CPU will ...[Details]
Currently, driverless cars are being put into use at an accelerated pace, and unmanned delivery is seen as one of the key tracks that will be the first to break through the commercialization barrie...[Details]
0 Introduction
Today, with the frequent replacement of electronic products, reliability testing before mass production is particularly important. Among them, life assessment, namely MTTF calcu...[Details]
The conventional method of converting AC mains power to low-voltage DC is to use a transformer to step down and then rectify and filter it. When limited by factors such as size and cost, the simplest ...[Details]
1 Overview
In order to reduce harmonic pollution to the AC power grid, relevant standards for limiting current harmonics have been formulated both at home and abroad (such as IEC1000-3-2)....[Details]
Analog electronics
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