void delay100us(unsigned char n) { #pragma asm more: mov R3,#48 djnz R3,$ djnz R7,more #pragma endasm } The result is: DELAY100US.C(1): warning C280: 'n': unreferenced local variable When I called it,...
[i=s]This post was last edited by jszszzy on 2021-11-16 23:26[/i]Anxinke PB-02 module review (1) ------ appearance displaycompilation environment construction
The module arrived a few days late becaus...
I built an integrated library myself. After drawing the schematic and package, I also associated it. When generating the PCB, why does it say that the package cannot be found? Attached file, can the m...
[color=#333333][font=微软雅黑, arial][size=16px]Diode limiting is easy to understand. But I am a little confused about clamping. [/size][/font][/color][color=#333333][font=微软雅黑, arial][size=16px]Why can D...
When using gcc to compile the u-boot kernel, an error is always reported, for example:
scripts/Makefile.host:118: recipe for target 'scripts/basic/fixdep' failed
Makefile:381: recipe for target 'scrip...
[size=4][color=#a0522d][font=宋体] With the arrival of summer, thunderstorms are becoming more frequent. Users who have installed solar energy equipment need to be extremely careful at this time, becaus...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]