Why does the AVR C program keep re-executing the main() function after any interrupt is enabled? ? Tip: No interrupt routines are defined in advance. Thank you very much! Please email to lijian_8010a2...
Circuit Function and Advantages
The circuit shown in Figure 1 measures peak and rms power at any RF frequency from 450 MHz to 6 GHz with approximately 45 dB of dynamic range. The measurement result is...
VC++ DirectShow image rotated 90 degrees output distorted screen. I rotated the image 90 degrees in transfilter and passed it to the third filter. I found that the image was distorted. The resolution ...
Now, when we talk about games, it is a hot topic. Not only young students and employees, but even employees in their 30s in the company often discuss the level issue, which shows its popularity. Games...
According to the theory of signals and systems, after the signal is modulated by AM , the spectrum shifting effect will occur.
TGF4042 can generate AM signals. By using the FFT function of an oscillos...
I participated in CC3200 LaunchPad and got E coins, which I exchanged for a 200-dollar JD E card. I posted a picture of it. Hehe. [/size][/font][/color] [color=#0080][font=微软雅黑][size=2] [/size][/font]...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
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]
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]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[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]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]