I wrote a timer interrupt function and wrote AD sampling in the timer interrupt. As a result, I could not get the correct AD value. The timing time was 0.1ms.
I use dsp2806, the system clock is 50MHz,...
[table=98%] [tr][td]1. Design the image content to be displayed, the graphic content is a smiley face 2. The display mode is designed to move left and right, up and down 3. Realize the zooming in and ...
I saw a schematic diagram of a microchip board as follows. What software was used to draw it? It shouldn't be a 3D preview. I have never seen a preview view with such a large screen....
I wonder how many friends have already got SensorTag? Today, let's talk about SensorTag's OAD (Over the Air Download) wireless download and upgrade firmware function. Everyone knows that microcontroll...
Yesterday, a colleague shared a picture, which roughly meant that because of the shortage of chips, everyone started to redesign the products that have been used for the past decade.
Is your company g...
1. When the rightmost switch S in the circuit is closed, please write down all the working electrical appliances. (10 points) 2. When all switches in the circuit are closed, please calculate the total...
With the rapid development of computer technology, embedded image systems are widely used in office equipment, manufacturing and process design, medical, monitoring, sanitary equipment, transportat...[Details]
In the field of software development, the most critical but also the most unpredictable phase is the debugging phase. There are many factors that play a role in the process of software debugging, a...[Details]
Basic principles of simulation
Simulation is a technology used in the field of embedded system development. It can bring system developers the controllability and visibility needed to integra...[Details]
Over the past 15 to 20 years, automotive power MOSFETs have evolved from an initial technical topic to a thriving commercial sector. Power MOSFETs were chosen because they can withstand transient ...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
1 Introduction
The intelligent meter reading system is a system that reads the data of multiple user meters in a centralized manner through the transmission media by the master station. It...[Details]
Overview
Currently, many portable consumer electronic products, such as mobile phones, PDAs, MP3 players, and notebooks, are equipped with display screens. Although the type and size of the di...[Details]
When you hear the word digital TV, you may feel fresh and excited, but when it comes to what digital TV is and what it can bring us, you may still be confused. You must be very eager to understa...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
At present, the IEEE802.11 wireless LAN standard is widely used in voice communication, wireless office and other fields, but it is still mainly limited to wireless communication on general platfor...[Details]
introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[Details]
In today's world, terrorism poses a severe challenge to social development, national stability and human progress. "Terrorism, political corruption and environmental pollution" are known as the thr...[Details]
In the issue of ensuring the safety of drivers and pedestrians, the proportion of electronic technology has increased. According to the survey, 80% to 90% of traffic accidents are caused by driver...[Details]
DSP and ARM Processors
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