In this world where "sing when you win and stop when you lose"
The season of "going to ICU without air conditioning"
Air conditioning has an unprecedented status among the people!As a leading global s...
After the Spring Festival, I shifted my focus from freescale's ARM M4 kinetis to stm32F4xx. Although ST's M4 is new, expensive, and has unknown bugs, I still plan to familiarize myself with it as soon...
[i=s]This post was last edited by shipeng on 2016-7-27 21:41[/i] I have been practicing PID control for a while and I accidentally drew the following circuit. I wonder if it will be helpful to you. Sh...
Charge 2 NiMH batteries in parallel at the same time. The power circuit outputs a maximum power of 5W. When the voltage of a single battery is greater than 1.3V, charging stops and indicates that char...
I am currently working on a PND device, the CPU is pxa270, the OS is wince 5.0. At present, the screen brightness of my device is adjusted moderately. After the system is started, the current consumpt...
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
Since the early 1950s, when ultrasound detection began to be used in the medical field, ultrasound diagnostic technology has made great progress. Ultrasonic diagnostic instruments are of various fo...[Details]
Digital frequency meter is an indispensable measuring instrument in the fields of scientific research and production such as computers, communication equipment, audio and video. The digital frequen...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]
The quality of thyristors can be judged from four aspects. The first is that all three PN junctions should be intact; the second is that they can be blocked and not conduct when the voltage between...[Details]
With the rapid development of the power industry, inverters are being used more and more widely. The quality of the inverter will directly affect the inverter performance and load capacity of the enti...[Details]
The ADP1853 of ADI is a wide range input voltage DC/DC synchronous buck controller capable of running from commonly used 3.3 V to 12 V (up to 20 V), voltage tracking input, output voltage 0.6 V to 90%...[Details]
Design Considerations
After the long-term deployment of smart meters (automatic meter reading infrastructure), a two-way communication will be established between the utility and the consumer. The ...[Details]
This article mainly introduces the different technologies and characteristics adopted by DVCS control systems and other controllers.
1. What is a distributed image stitching controller? What d...[Details]
Integrated technical exchanges
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