: I ported mplayer yesterday, but it can't play videos. It plays MP3 very smoothly. The error message is as follows: /qt/MP/MPlayer-1.0pre8 # ./mplayer panda.mpg MPlayer 1.0pre8-4.1.2 (C) 2000-2006 MP...
My project is a dialog-based interface. I drew several lines in Onpaint(). When I use the keyboard to control it, the lines will flash every time I press a key. How can I make the lines always stay th...
[font=微软雅黑][size=3][color=#000000]A certain vehicle-mounted electronic device needs to pass the vehicle standard CISRP25 LEVE3 test. The conduction current method exceeds the standard, and the 31MHZ f...
Here I use lm75AAs a temperature acquisition chip, I2CControl. Display the temperature on OLED . First design the system ports and LM75ATo connect, here we select I2CInterfaces PB2 and PB3 are used as...
My development environment is evc4.0+sp4+sdk, but when I compile an existing project, it always reports fatal error LNK1104: cannot open file 'libeay32.lib', but this project can be compiled on the ma...
1. Time flies so fast, two weeks have passed in a blink of an eye. This year's May Day is very special. The lockdown continues, haha. I hope it will be lifted soon.2. After I2C was able to read the ul...
In the early 1990s, portable phones were all the rage. With the rapid development of electronic technology, today's mobile phones can not only send emails and text messages, but also take photos, ch...[Details]
Introduction
The market for wireless telemetry products is developing rapidly. Recently, the industry has also set off a revolution in wireless applications. Wireless telemetry technol...[Details]
Controller Area Network (CAN) is a type of fieldbus. It is a serial communication network that effectively supports distributed control or real-time control and is recognized as one of the most pro...[Details]
Engineers who are new to wireless design and wireless product development need to master the basics of
RF measurement
. In many cases, this process is to enable engineers who have been engag...[Details]
The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through hig...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data,...[Details]
The difference between CCD and CMOS sensors Mr.OH! briefly introduced CCD and CMOS in the second lecture, but for most students, what they see is a combination of integrated chips! The detailed int...[Details]
Abstract:
A single pulse secondary radar reply processor implemented with EPLD. Its main functions include: reply frame pulse detection, reply information decoding, assembling reply inf...[Details]
1 Introduction
Under the current situation of power shortage in my country, it is very important to monitor power to ensure safe use of power. The research and transformation of power grid...[Details]
Modern living patterns make the safety of family life particularly important. At present, security prevention and alarm systems are important guarantees for ensuring the safety of residences and re...[Details]
1 Introduction
The DVB-S digital satellite live broadcast system standard is designed to meet the bandwidth of satellite transponders and the transmission characteristics of satellite sign...[Details]
Preface
EEG (Electroencephalography) is a spontaneous potential activity generated by brain nerve activity and existing in the central nervous system, which contains rich brain activity in...[Details]
Today, Linux is widely used
in the development of
various
embedded devices
, such as digital TVs, video converter boxes, DVR players, xDSL/cable/PON modems, home routers, and
network
gatewa...[Details]
Most of the current maritime radars in my country are imported radars with a short effective detection range. They are unable to identify signals when the signal-to-noise ratio drops to 3 dB. With ...[Details]
Embedded System
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