When PCB copper is laid, the distance between different network grounds is relatively small, so there may be a cross phenomenon when laying copper. For example, there are two different zero potentials...
This article and design code were written by FPGA enthusiast Xiao Meige. Without the author's permission, this article is only allowed to be copied and reproduced on online forums, and the original au...
I had the urge to do a series of topics on sound visualization. This topic is a bit difficult and covers a wide range of areas. The related FFT and FHT algorithms are also quite complicated, but I sti...
I am honored to finally have the opportunity to participate in the evaluation activities of the forum. I received this Rapid IOT early because of the geographical advantage. However, I have been busy ...
The realme V13 5G mid-range phone has been officially released. Following the realme V11 5G that debuted earlier this year, the V13 5G is the brand's second phone equipped with the Dimensity 700 chip...[Details]
For beginners, there are many knowledge points to learn. People often feel very confused about where to start. Freshmen start with C language. In the freshman stage, because they are still very unf...[Details]
Automotive wiring harnesses are generally divided into two types: main wiring harnesses and small wiring harnesses. With the development of new energy vehicles, automotive wiring harnesses can be div...[Details]
I'm writing a human-machine interface recently. Due to the layout problem of my hardware colleagues, I have to use serial port 4. At first I thought it was nothing, just changing USART1 to 4 a...[Details]
Let's popularize some knowledge first. The new energy vehicles we are talking about now are nothing more than these three types. One is the plug-in hybrid electric vehicle (HEV), which is more comm...[Details]
Recently, many smart models of many car manufacturers have added high-precision integrated navigation to their autonomous driving systems, and are about to be mass-produced. This may mean that high-p...[Details]
Cadence CEO Lip-Bu Tan Soon after Lip-Bu Tan became president and CEO of Cadence in early 2009, he had hundreds of meetings with the company’s customers. In each, he asked, “What do you think of o...[Details]
A simple analog implementation of an audio amplifier uses transistors in linear mode to obtain an output voltage proportional to the input voltage. The forward voltage gain is usually high (at leas...[Details]
According to foreign media reports, Warwick Acoustics, a British company spun off from the School of Engineering at the University of Warwick 20 years ago, has developed disruptive high-end car audio...[Details]
As a professional manufacturer of LED encapsulation epoxy resin AB glue, we have summarized some common problems found by customers when using LED encapsulation epoxy resin AB glue, and made corr...[Details]
DDS,
like
DSP
(
digital signal processing
), is a key digital technology. DDS is
the abbreviation of Direct Digital Synthesizer. Compared with traditional
frequency
synthesizers
,...[Details]
The 2021 Mobile World Congress (MWC) was held as scheduled in Shanghai. At the exhibition, Yingchuang Technology also brought its latest product, Honghu, which is the first MR glasses equipped with Q...[Details]
; Let the LED light change every R1ms
COUNT EQU 9217; for a crystal oscillator of 11.0592, 9217 is equivalent to 10ms
LED EQU P1.1
ORG 0000H
MOV R0,#00H
DJNZ R0,$
MOV R1,00H ;When using...[Details]
Xinbang Technology issued an announcement stating that due to the company's current development needs and in order to better focus on the company's business management, implement the company's develo...[Details]
1. Selection of ordinary circuit breakers
The overcurrent protection circuit breakers for
power distribution (lines), motors and household
appliances
have different protection characte...[Details]
PCB Design
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