This article refers to the tutorial of the Allwinner Development Community: https://d1.docs.aw-ol.com/study/study_6helloword/ , and tries to run a hello word program on the board.
Although the operati...
In CCS programming, if we do not specify the storage location of variables/codes, the compiler will automatically assign a location to the variables/codes. However, if we need to put variables in a sp...
Design of AGC intermediate frequency amplifierLin Changchun Shaanxi Huajing Microelectronics Co., Ltd.OverviewFD05 AGC intermediate frequency amplifier module is a medium wave frequency band small sig...
Recently I am working on the smallest system of MSP430G2553, the total size is within 25mm*25mm, which is basically the same size as a coin, 28 IO ports, using SWD to debug and download programs, with...
I have never used VGA before. Now I want to output a 800*480 7-inch screen on a monitor simultaneously, and the monitor must also fully display 800*480 pixels. I am really confused. Should I search fo...
Target not created and ..\main.c(152): error: #20: identifier "GPIOC" is undefinedare not software problems. Other programs can run successfully after hardware testing.The specific problem is: when us...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]