PASS F5 is a simple and famous circuit. Actually, I have wanted to make it for a long time, but I never started. Under the encouragement of others, I finally bought some 240 and 9240 and soldered them...
/*******************************************Function name: ExternVerifyFunctionfunction: External authentication, common to cards and ESAMInput parameters: cReceCardData1[8] command data 8 bytes, cKey...
Protecting Your IP Cores - Part 1 Soft IP Cores, Chapter 3: Obfuscation of Hardware DesignHardware obfuscation is a technique that intentionally hides the functionality of electronic hardware by modif...
RT!
Computer is the savior R7000 4800h 32GB memory, system Ubuntu 20 (vmware 5.xx)
The target kernel for compilation is version 5.6.18
Generally, make -jN is used for compilation; is it better to set ...
The signboards taken on the streets of the community!I have little education and I don't know many words, so I beg an expert to translate it into "Chinese" standard Chinese. (Note: Simplified Chinese ...
Recently, a medical unit consulted about the application of targeted treatment test of high-frequency and high-voltage signals. It is necessary to realize the superposition of high-frequency sine wave...
Jiwei.com reported on February 22 that Huawei held an online new product launch today and officially launched the new generation of foldable screen mobile phone Mate X2. At the launch conference, Hua...[Details]
introduction
CAN (Controller Area Network) is an industrial field bus. It is a communication protocol developed by Bosch in Germany in the early 1980s to solve the data exchange between nu...[Details]
Battery life is also an aspect that iPhone users are very concerned about. So for the iPhone 12, we don’t know whether the battery life has improved or decreased, but at least now we know the battery...[Details]
1. How to port FreeRTOS to different Cortex-M cores?
Answer: If you want to port FreeRTOS to the correct Cortex-M product, you must import the "port.c" file from the correct directory. For examp...[Details]
After having a certain understanding of the application of LED lights, I began to learn some about the application of digital tubes. On my development board, there are independent common anode tube...[Details]
1. The structure of the multimeter 1. The meter head. The meter head of the multimeter is an active ammeter. The dial on the meter head is printed with a variety of symbols, scale lines and value...[Details]
According to foreign media reports, U.S. stocks closed mixed, with the Dow Jones Industrial Average closing down slightly, and the Nasdaq Composite Index rising for the sixth consecutive trading day,...[Details]
This example converts the collected ad data and displays it on the LCD screen. Here I paste the debugged source code directly.
Ad converter related code:
view plain copy print ?...[Details]
Shanghai has always been a major integrated circuit town in my country, while Lingang is an important part of the Shanghai integrated circuit industry. Just one and a half years have passed since Aug...[Details]
The so-called gas sensor refers to an instrument used to detect whether a specific gas exists within a certain area and/or can continuously measure the concentration of gas components. In the safety ...[Details]
There are three main dimming methods at present, namely: analog dimming, PWM dimming and thyristor dimming. When using thyristor dimming to dim LED replacement lamps, the existing dimmer circuit can ...[Details]
Low voltage switch of the vehicle power supply
The low voltage switch indicates that when the voltage provided by the vehicle to the vehicle power supply is lower than a certain value, the veh...[Details]
The following is an analysis of the oscilloscope's four measurement methods: voltage, time, phase, and frequency. 1. Voltage measurement Any measurement made with an oscilloscope is a measurem...[Details]
On January 14, Han's Laser stated on an interactive platform that the company's current lithography machine project under development has a resolution of 3-5μm, and is mainly focused on applications ...[Details]
Automotive chip grade
According to the automotive electronics standards set by the United States, automotive chips are divided into five levels, the smaller the number, the higher the level.
...[Details]
Analogue and Mixed Signal
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