[align=left][color=rgb(51, 51, 51)][font="][size=14px]Hello, I am an ordinary graduate student. My graduate direction is related to video recognition based on FPGA. It would be better if I can use som...
Streamlining mobile phone system design
1. Overview
The streamlined mobile phone system design is an open streamlined mobile phone based on 8051 single-chip microcomputer and Ankexin A9G data communic...
How can I change this 10mm rule? The distance between the pad and the component key is too close. I modified the [color=#333333][font="]clearance constraint in the track but it didn't work. Please hel...
It is said that a man is independent at 30 and free from doubts at 40, and this is the main period of 10 years, so I chose to start over!!!Since September 2009, I came to this strange city, Nanjing, w...
1 Basic understanding of permanent magnet brushless motor
1. What is a permanent magnet brushless motor?
Permanent magnet brushless motors can be roughly divided into two types: permanent...[Details]
Lead-acid battery chargers have developed to the fifth generation. The latest upgraded version of the charger uses a more advanced integrated IC computer chip control system based on the fourth gen...[Details]
——Interview with Wang Zhengtao, Chairman and Party Secretary of State Grid Information and Communication Industry Group Co., Ltd.
China Electric Power News Network Intern Reporter Deng Huiping...[Details]
Ⅰ. Write in front In some specific situations, precise delay (us level) is required, especially for the underlying driver. If software delay is used, the delay will change with the change of system c...[Details]
According to foreign media reports, NXP Semiconductors announced the launch of its new i.MX 8XLite application processor, focusing on secure V2X and industrial IoT applications. The SoC features NXP'...[Details]
Despite the impact of the epidemic, the TI Cup 2021 National College Student Electronic Design Competition (referred to as "Electronic Competition") award ceremony was still successfully held in a co...[Details]
1 SDRAM addressing: The board uses a modern sdram chip 4M×16b×4Bank, which is 32MB. It should have 25 address lines, but the chip only provides 13 address lines, 2 bank select lines (BA0, BA1), and t...[Details]
Internal interrupts: usually caused by hardware errors or errors during operation, which are generally unavoidable; External interrupt: It is an interrupt request issued by the processor's peripheral...[Details]
With the development of computer technology and power electronics technology, mobile phones, digital products, laptops, portable instruments and other devices are becoming indispensable tools in peopl...[Details]
Failure phenomenon:
English: Trying to handshake with MCU/MCU...
Failed to open serial port!
English: The serial port has been opened by another program or the serial port does not exist.
Sol...[Details]
1 Introduction
With the rapid development of high-speed railways, the speed measurement and positioning of trains on high-speed railway lines with speeds exceeding 350 km/h are becoming in...[Details]
Key points: • Snapdragon Spaces adds support for the innovative feature of Dual Render Fusion, allowing developers to seamlessly add head-mounted AR experiences to existing smartphone applications....[Details]
Using iPad to control home appliances is not a new concept. Interior decoration companies in Colorado, USA, truly integrate iPad into home design to increase the fashion atmosphere of the ...[Details]
The 51 microcontroller has 5 interrupt sources:
1. INT0 - External interrupt 0, introduced by P3.2 port, caused by low level or falling edge. The default priority is the highest
2. INT1 - E...[Details]
Abstract: The root cause of the low efficiency of linear voltage regulators is analyzed. Aiming at the problems existing in typical linear voltage regulators, a linear ultra-low dropout voltage ...[Details]