The previous post [url=https://en.eeworld.com/bbs/thread-977472-1-1.html]【Raspberry Pi 3B+ Review】OCR Character Recognition[/url] performed character recognition. This time we recognize objects in pic...
I am currently working on a project using the 32f103 series, and it is already running. However, a problem occurred during the operation. Specifically, there is a compressor on the periphery, and the ...
The most common method for pipeline bubble detection is to use ultrasound. The piezoelectric ceramic vibrator on one side is controlled to emit high-frequency ultrasonic oscillations, which oscillate ...
Are the first prize winners of national competitions usually like this?
An enthusiast who has been disassembling and assembling radios and televisions since childhood, a second-generation electronic e...
1. What are the differences between precision op amps, instrument op amps, and general op amps? General op amps seem to be commonly used op amps, and their performance seems to be average. I don't kno...
According to Reuters, the trade dispute between the United States and the European Union has continued recently. EU Trade Commissioner Cecilia Malmstrom said that if the United States imposes tariffs...[Details]
Rectifier circuits are widely used in DC motor speed regulation, DC voltage regulation and other occasions. The three-phase half-controlled rectifier bridge circuit structure is a common rectifier c...[Details]
The technology used by newer and higher-end touch screen phones such as iPhone and Prada. Capacitive touch screens work by using the current induction of the human body. Capacitive touch screens are a...[Details]
In the article "Magnetic Flux", constant magnetic flux is mentioned. A friend left a message saying, why is magnetic flux a constant and equal to the ratio of voltage to frequency?
In fa...[Details]
1. According to the definition of IEC, a backup UPS is a device that supplies power to the load from the mains when the mains is normal, and when the mains fails, the battery pack provides energy and ...[Details]
With the development of science and technology, mankind is entering the intelligent era. At present, wearable sensors based on artificial intelligence technology are profoundly changing the way of li...[Details]
1 Overview
The DC-DC converter is the core component of the switching power supply, and is commonly divided into two circuit topologies: forward and flyback. The power processing circuit o...[Details]
In some applications, the CPU only needs to work intermittently or process external events, and is usually in standby mode. The PIC16C5X microcontroller has an energy-saving mode, the sleep (...[Details]
element14.com and Toshiba strengthen global collaboration to provide global users with access to market-leading power semiconductors and other discrete devices, accelerating new technologies to marke...[Details]
On the 28th, the 2022 MWC (Mobile World Congress) kicked off in Barcelona, Spain. After a two-year absence due to the epidemic, MWC resumed offline events for the first time. As the highlight of M...[Details]
At present, digitalization and electrification are giving rise to global energy transformation and a new round of industrial revolution. The integration of digital interconnection and intelligent ele...[Details]
The development of smart cockpits, smart driving and smart networking will lead to the continuous addition of new functions. At the same time, the demand for high computing power and large bandwidth ...[Details]
According to 9to5 Google, Google CEO Sundar Pichai cited the Pixel 6 and ongoing search improvements as examples in Alphabet's third-quarter 2021 earnings report, saying that he now has a five...[Details]
A basic countdown timer can be constructed with only an MCU, LCD, 32kHz crystal and a resistor, and can operate continuously for more than 10 years with only a common button cell battery, as shown in...[Details]
Today, Huawei's Kirin 820E 5G SoC chip was officially unveiled and is equipped with the nova 7 SE 5G Lohas Edition mobile phone. IT Home learned that the Kirin 820E 5G chip uses a 7nm process...[Details]