In 1867, British scientist Kelvin invented a device for generating very high voltage, which was later called the Kelvin dripping generator. The structure of the Kelvin dripping generator is quite sim...
Today, I will show you the disassembly of the FA2100 cockpit voice recorder. Let me first explain the background. I found it at a garbage dump. I disassembled it for research purposes to see the inter...
In this world where "sing when you win and stop when you lose"
The season of "going to ICU without air conditioning"
Air conditioning has an unprecedented status among the people!As a leading global s...
Driver={Microsoft Access Driver (*.mdb)};
Dbq=path;
Uid=Admin;
Pwd=password;
insert:
INSERT INTO xs(student number, name, major, gender, date of birth, height, party member or not) VALUES (...[Details]
I. Overall To drive the key interrupt to control the LED on and off, the program needs to perform the following operations: In start.S, clear the I bit in the CPSR register and enable IRQ. This is ...[Details]
IT Home reported on December 28 that Nintendo President Shuntaro Furukawa announced on the 27th that the supply of Nintendo Switch may stagnate around the beginning of 2022. The main reasons ar...[Details]
Today, a report from research firm Counterpoint Research was disclosed. The report mentions Apple's impact on the chip foundry industry this year, emphasizing that Apple is still the largest custom...[Details]
Recently, Huawei's Xinsheng Community made public Ren Zhengfei's speech at the symposium on improving logistics services on April 1, 2020. In his speech, Ren Zhengfei mentioned that the more difficul...[Details]
A hundred years ago, Wei Yuan proposed in his book "Hai Guo Tu Zhi" that "learn from the foreigners to develop skills to conquer the foreigners" and called for learning advanced Western technology to...[Details]
One year, I wrote a Panyu Longmei game console IO board using STM32F103VBT6 and TM1629. I wrote a driver. I hope it can help friends in need. Without further ado, the code is as follows: #ifdef GAME ...[Details]
There are two concepts of priority in STM32 (Cortex-M3) - preemptive priority and response priority. Some people call response priority "sub-priority" or "sub-priority". Each interrupt source needs t...[Details]
Finger vein recognition technology is a technology that uses the characteristic information of the veins in the finger to authenticate the identity of the human body . As the second-generation biometr...[Details]
about the author: Zhu Yulong is a senior electric vehicle three-electric system and automotive electronics engineer. He is currently engaged in the electronics of new energy vehicles. He has more tha...[Details]
The touch button is mainly realized by detecting the number of oscillations of the RC oscillation circuit built on the board-level system within a fixed time. If the number of oscillations changes si...[Details]