As shown in the picture, the silkscreen layer and solder mask layer are both turned on, but the status bar below only shows the signal layer, without the silkscreen layer and other non-signal layers. ...
#include#include#include
#define dac0832 XBYTE[0x7fff] #define uchar unsigned char uchar code to_sin[256] uchar b=0,c=0,d=0,e=0,i,k,tl,th; int bw=10;//bw is the frequency hundredths variable int t,f,m...
There are three functions related to this [size=78%][list=1][*][font=Wingdings][size=65%]n[/size][/font][/size][font=宋体][size=14pt]size[/size][/font][font=宋体][size=14pt]command[/size][/font] [size=78%...
[align=center][/align] Some interesting math books. For everyone to read when they have nothing to do. They are actually quite interesting. [url=https://download.eeworld.com.cn/detail/tyw/566632]Inter...
[Share] Detailed introduction to the latest progress of 802.11 standards. Wireless local area network (WLAN), which has been widely used in the past one or two years, is a low-cost wireless access tec...
[size=2]Reposted from: tedeum[/size][size=2] [/size] [align=left][color=#000][font=Helvetica, Tahoma, Arial, sans-serif][size=14px]I found an official example. The firmware library has its own PWM inp...
Wang Xiaochuan, the "Wudaokou Goalkeeper", is going through a level that he has never gone through before. For example, Sogou's (NYSE: SOGO) financial report, artificial intelligence, and the futur...[Details]
The global PV inverter market will shrink from $6.3 billion in 2017 to $3.7 billion in 2022 due to falling prices, according to GlobalData.
Global PV Inverter Market Value to Shrink to $3.7 Bil...[Details]
In the past few days, the Chinese display panel giant
BOE
has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content.
...[Details]
Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[Details]
LAN8720 configuration: IP: 192.168.192.30 Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]
1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[Details]
As many companies listed with
the concept of
touch screen
begin to "transform and upgrade", the official voice of the TP industry is getting smaller and smaller. At the same time, the list o...[Details]
In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]
The day before yesterday, another mainland technology company submitted a prospectus to the Hong Kong Stock Exchange. The company is called "Jia Nan Creative (hereinafter referred to as 'Jia Nan')"...[Details]
The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]
When STM32 uses JTMS (PA13) and JTCK (PA14) as normal I/O ports, add the following code before initialization (the order cannot be reversed): RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); G...[Details]
For complex calculations, the speed of the microcontroller is too slow. The best way is to manually calculate all the results in advance, store them in ROM in sequence, and then directly check the re...[Details]
PCB Design
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