When we do projects, we usually configure GPIO to the highest frequency, but this highest frequency has never been measured.
Ideally, the main frequency should be around 120M and the 50M flip should b...
Moderator:I made a card with vc33-120, the external crystal array is 12m, 5 times frequency, the timer interrupt is set to 30000, theoretically calculatedMy timer interrupt should be 1000hz, but it is...
Smart meters are an important part of today’s smart grid. A smart grid does more than just support power generation and distribution; it is an ecosystem consisting of Internet of Things (IoT) technolo...
[font=微软雅黑][size=3]Just saw that there is a pre-sale promotion for Tektronix's new TBS2000 oscilloscope. The new product is sold through Tektronix's brand flagship store and authorized partner stores ...
I may not have made it clear just now. I am using hardware debugging, but only connected to the minimum system board, without peripherals. There is a problem with the initial value of the register. I ...
There are patches for PB5.0 on the MS website almost every month. When applying the patches, should we apply the latest one or all the patches? I checked the latest patch and it seems to upgrade the B...
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]
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]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[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]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[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]