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...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
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