Is your Internet speed lagging behind? The recently released "2013 China Internet Perception Data Report" shows that China's average Internet speed in 2013 was 3.45Mb/s, an increase of 33.2% compared ...
[i=s]This post was last edited by qwqwqw2088 on 2019-3-19 16:01[/i] [size=4][color=#000000][backcolor=white]Who doesn't know Ohm's law? [/backcolor][/color][/size] [size=4][color=#000000][backcolor=wh...
Common data structures
Singly linked list, bidirectional linked list, intrusive linked list
The reference structure types of three linked lists in the RT-Thread system are as follows:
// rtdef.h/*** S...
[i=s]This post was last edited by alan000345 on 2018-12-21 10:48[/i] How to control the lightcrafter4500 and what software do you need to download to program and burn into the development board to fin...
May I ask if the contrast and brightness of your 5110 display can be adjusted? Why did I find no change before? It's the same as the one I had before, but I have two adjustable ones. If you can adjust...
Many followers have asked how to learn embedded systems recently. For a friend who has just started to learn embedded systems, this is indeed a problem. Here I will tell you how to use [IT Guide Light...
Entering the information age after the millennium, the huge demand for semiconductor chips has made China the world's largest semiconductor market. According to relevant data, the scale of my count...[Details]
When talking about Chinese chips, Ni Guangnan is indispensable. Let’s learn more about the relevant content with the embedded editor.
Since he co-founded Lenovo in 1985, Ni Guangnan has been s...[Details]
Profit growth of 85% in 2017, target revenue of 12.5 billion yuan in 2018: The company released its 2017 annual report, achieving revenue of 8.886 billion yuan, a year-on-year increase of 48.01%; prof...[Details]
On April 20, Alibaba Group announced that it would acquire
the
chip
company Zhongtian Microelectronics and invest in six
chip
companies. Yesterday, JD.com CEO Liu Qiangdong said in a...[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]
A few days ago, Hanergy Chairman Li held a grand launch of Hanwa new products, which once again attracted the attention of the mass media to the development of photovoltaics. The unique Hanergy has gr...[Details]
I used the bit definition in my 51 program: bit flag. After defining it this way, I ran the program and downloaded it to the circuit board. I found that the flag was not the value I set, which led to...[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]
The Vatican Secret Archives is one of the world's greatest historical collections, but many of its documents have never been transcribed. Recently, a project called Codice Ratio used a
combination...[Details]
I encountered a problem when debugging the STM32 system clock setting: TIM2 timing 1Ms, TIM2 interrupt service function time++, LED state changes when time=100. After the program runs, I found that t...[Details]
Interrupts and timers implement a 24-hour clock. The program is as follows: #include reg52.h #define PORTLEN P0 sbit bit_select = P2^0; sbit seg_select = P2^1; unsigned char src = {0x3f,0x06,0...[Details]
Microcontroller programming: Find the maximum number and store it in the BIG unit. Assume that the internal RAM stores a group of unsigned numbers starting from the LIST unit, with the number of data...[Details]
Take serial port interrupt as an example: like: void serial() interrupt 4 { } and void serial_uart() interrupt 4 { } The functions of both functions are to define the serial port interrupt function. ...[Details]
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