Impedance matching is a part of microwave electronics. It is mainly used on transmission lines to ensure that all high-frequency microwave signals can be transmitted to the load point.
Purpose, almost...
The circuit solutions in this post are all original works of mine, from pure simulation to MCU hardware design and software strategy (I don’t know how to program, so this part only provides feasible i...
Transistor amplifier circuit: The input voltage range is wide, and the parameters of each component are based on actual experimental tests and have been adjusted to a suitable static operating point. ...
I looked around at operating systems and found RTX to be the most reliable, easy to use, and most usable. It is very easy to port. It is much more convenient than FREERTOS.
Let me share a tutorial bel...
I'm using LPC824 to do a project recently. Most functions can be adjusted, but I found that the microlib library in Keil conflicts with the NXP project program, so I can't use Kei functions such as sp...
"The emergency power supply vehicle has been connected to transformer No. 1 and can provide security load at any time." At 15:00 on February 5, after continuous work by employees of State Grid Shan...[Details]
Amazon shipped 10.5 million Echo smart speakers in Q3 2019, the second-highest single-quarter shipments in the company's history, extending its lead again. Global smart speaker shipments increased 55...[Details]
Thermocouples, Thermoelectric Effect, and Thermoelectric Effect Principles A thermocouple is a sensor that connects one end of two metals of different materials and uses the thermoelectric effect t...[Details]
Clock system and its distribution Figure 18 shows the main clock system and its distribution of the AVR. These clocks do not need to work at the same time. To reduce power consumption, the clocks of ...[Details]
After finishing the series of articles "Those Things About ARM Cortex-M Files" , Pi Ziheng took a short break, but he couldn't stop giving lectures, so he couldn't help but start a new series of ar...[Details]
The serial port of LPC2138 has 16-byte receive and transmit FIFOs, and the trigger point of the receive FIFO can be set to 1, 4, 8, or 14 bytes.
1) Receiving
When the number of byt...[Details]
The new Huawei Mate 40 series will be unveiled in the next few weeks, and the mold protective case of the new phone has now been exposed online. According to leaks, there will be four mobile...[Details]
1 Introduction
Programmable Logic Controller (PLC) is the product of the combination of microcomputer technology and conventional relay control technology. It is a new type of controller devel...[Details]
(Image source: Hyundai Motor official website) According to foreign media reports, recently, Trustonic, a mobile device and application security technology company, announced that Hyundai Motor Ame...[Details]
On April 14, Intel CEO Pat Gelsinger said in an interview after attending the White House Chip Summit that the global chip supply shortage that has hit the automotive industry and other manufacturers...[Details]
Jiwei.com reported on October 2 that according to Cailianshe, the case in which Appotronics sued Casio (China) Trading Co., Ltd., Beijing Hongyang Jiye Technology Co., Ltd., and Casio Computer Co., L...[Details]
LCD panel prices continued to fall in the third quarter, which means LG Display may incur losses again. ● The peak shipping season is about to begin and demand for LCDs will also increase, which wi...[Details]
In the first half of the year, affected by the sluggish automobile demand in the European and American markets, the revenue and profits of leading automotive manufacturers such as Infineon and NX...[Details]
According to the website of the United States Patent and Trademark Office, Apple recently applied for a new patent called "Touch-Sensitive Mechanical Keyboard", which involves the design of its iMacB...[Details]
1. Introduction to Memory Management 1. Why use memory management? For example, how to browse SD card files on LCD If there is memory available for memory management, apply for memory and releas...[Details]
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