I used the HA2556 analog multiplier to square a sine wave. Theoretically, I should get a double-frequency, equal-amplitude, positive half-cycle waveform, but the actual waveform is alternating between...
[i=s]This post was last edited by Digital Leaf on 2021-5-9 21:10[/i]As usual, a new project is createdOpen the SD card in the hardware driver configurationAfter the SD card configuration is turned on,...
Today, Wi-Fi front-end modules (FEMs) are enabling novel applications in addition to traditional mobile devices. Thanks to the latest advances in Wi-Fi technology, innovative wireless ecosystems are e...
Going public is not important; the business model is importantBusiness model is a very important factor affecting an enterprise's development, financing and listing. Enterprises with different busines...
[i=s]This post was last edited by jinglixixi on 2020-12-17 18:59[/i]GD32307E-START provides the function of external communication and can convert the USB interface into serial communication. Its inte...
The following three states should be considered in the operation of the level converter:No device pulls down the bus line. The "low voltage" part of the bus line is pulled up to 3.3V through the pull-...
10℃、2℃、-3℃……
The lowest temperature in the weather forecast has already dropped below 0℃
The arrival of Lidong also officially tells us that winter is coming.
We often say
High ...[Details]
introduction
With the deepening of urbanization in my country, intelligently managed high-end residential areas, garden villas, comprehensive facilities, etc. (hereinafter collectively ref...[Details]
At present, with the continuous increase of China's LED display industry, there are more and more large-screen LED displays in the streets and alleys of major cities, and people's consumption ...[Details]
This is an electronic clock based on a timer. I always thought that digital tubes and LEDs were simple, but I didn't know that it would be difficult to combine them. However, I solved the bugs in the...[Details]
introduction
Fieldbus control system (FCS) will be the mainstream of automatic control system development in the new century, and is a new generation of control system after DCS. Fieldbus ...[Details]
Temperature rise: When the transformer is put into operation, the part of the coil temperature that is higher than the ambient temperature is called
the coil temperature rise △tm; the part of the co...[Details]
1 Background and design features of single chip electronic password lock
With the rapid development of high technology today, people have invented various forms of locks, such as password locks...[Details]
Designed for heavy-duty consumer electronics, data communications, and industrial applications
Beijing, China, October 18, 2022 – Littelfuse, Inc., a company dedicated to powering a ...[Details]
According to foreign media reports, researchers at the Fraunhofer Institute for Environmental, Safety and Energy Technology in Germany have developed a new type of flexible and extremely thin bipolar...[Details]
Automotive solid-state relays (SSRs) are expected to completely replace mechanical relays. With the rise of energy-saving and emission-reduction concepts, American and European auto brands are grad...[Details]
Connecting devices with different bit widths
Let's first look at how the peripheral ROM is connected to the CPU address bus in the 2440 chip manual.
Connection bet...[Details]
Configuring a transformer with different input-output connection methods in the system can eliminate certain harmonics of certain orders. This has been successfully applied in both single-phase and t...[Details]
Since the end of March last year, when Xiaomi officially announced its plan to build a car, news about its car-building efforts has continued to come out, and the car industry has also been paying at...[Details]
NXP's SSL2103 is a dimmable Greenchip LED driver that supports most dimming solutions. The built-in current has valley switching to optimize efficiency. It has demagnetization detection, over-tempe...[Details]
Magnetic units and basic laws of electromagnetism
In order to measure magnetic fields in engineering, the following physical quantities are specified. Due to historical reasons, there are tw...[Details]