Netizen: Liu Junluo The most popular criticism in the Chinese market is against BHP Billiton. This reminds me of Buffett's strange saying: "Who is the fool in the market?" In order to prevent such cr...
[i=s]This post was last edited by icefire2012 on 2018-10-7 19:01[/i] This post is about the communication between Raspberry Pi and ESP8266. A simple schematic diagram is as follows: [align=center][/al...
As shown in the figure, the RU40191S and the copper sheet placed on the back are shown (two-dimensional and three-dimensional front and back views). When drilling holes on the RU40191S heat sink, what...
ADS1.2 cannot connect to LPC2138 MCU via jlink, and an error message appears: [color=#ff00][size=14px]Invalid core Id. (0x00000000)Did not find ARM core.[/size][/color][size=14px][color=#000000] Can a...
After reading this code, I finally understood what the rule multi-channel transfer is all about and how it is implemented as a whole. Attached code: /**********************************************...[Details]
As long as a layer of dimming film is attached to the transparent glass, the glass can be transformed into various forms, such as fully transparent, semi-transparent, or opaque. It not only plays a...[Details]
This program is suitable for Intel's 51 system microcontroller For example, multiply two double-byte unsigned numbers (R2R3) and (R6R7), and send the result to R4R5R6R7. Using the shift and add met...[Details]
Introduction Class D amplifiers are more attractive to designers of portable audio applications due to their higher power efficiency than Class AB amplifiers. However, some designers do not use Clas...[Details]
It seems that all power battery companies are caught in a "dilemma", but have to bite the bullet and move forward. There is no win-win situation in the power battery market. LG Energy Solution Ch...[Details]
Earlier we learned how to light up the LED lights, and then we learned how to make the LED lights flash. Now we need to learn more about how to make the 8 lights light up one by one in turn and make...[Details]
Comparison table of commonly used Chinese and English abbreviations in circuit diagrams
a analog
ab address bus
accessorier accessories
adc analog to digital conversion
...[Details]
High-efficiency DC/DC converters are the foundation of all portable designs. Many portable electronic applications are designed to operate from a single AA or AAA battery, which presents a challeng...[Details]
1 Introduction With the increasing demand for portable consumer electronics, low-voltage and low-power consumption design has become one of the research hotspots in integrated circuit design. The tr...[Details]
STM32 is a slave device, which is not widely used. When testing, it was found that the received or sent data was wrong, and both were shifted to the right by one bit.
After analysis, the reason is t...[Details]
Serial Port: Function: 1: Under TTL/CMOS logic level, 5v corresponds to logic '1', and 0v corresponds to logic '0'. TX RX remains high when idle. 2: RS--232 logic level. Normally, the serial p...[Details]
With the development of domestic economy, people have shifted their attention from audio combination to
home theater
. The core of home theater is surround sound system. China has entered...[Details]
The household market has broad prospects.
Performance details will determine market performance.
In recent years, with the improvement of performance, size, cost and power consumption, ho...[Details]
For many years, consumer audio engineers have wanted to use power-saving digital Class D amplifiers to replace power-hungry analog Class A/B amplifiers. But so far, two problems have hindered the app...[Details]
According to foreign media reports, an international research team led by chemists from the University of Glasgow in the UK and battery testing experts from the Helmholtz Institute Ulm in Germany h...[Details]