At present, the development of embedded Linux systems is booming and has formed a large
However, as far as current technology is concerned, the research results of embedded Linux are still far from me...
[size=3] This time, the GPIO of PYB Nano is used to directly drive the 8*8LED dot matrix display. The LED dot matrix pins are divided into two rows, as shown in the figure below, which are further div...
I received a pair of Atmel SAM R21 development boards two days ago, and I am very happy about it. Thanks to eeworld, I will share it with you today. :pleased: Let me show you the pictures first.The ex...
I would like to ask you how to change the phase when using the formula method (such as area method, irregular sampling method, regular sampling method) when doing spwm. Thank you very much...
What a big collection of ADI reference circuits. It's too big. Forum friends, please download it from the download center. Address: [url=https://download.eeworld.com.cn/detail/nmg/553986]https://downl...
] Linking E:\WINCE500\platform\smdk2440\lib\ARMV4Ietail\FMD.lib BUILD: [01:0000000141:ERRORE] LINK : fatal error LNK1181: cannot open input file 'obj\ARMV4Ietail\ecc.obj' I think the path is wrong. Ho...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[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]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]