Recently, I used a circuit like the one below, which uses a 5551 to control MJD127, and then controls the on and off of 36V.What I don't understand now is how to select the resistance value of R2 to m...
The principle of magnetic induction is similar to that of ordinary power transformers, and energy transmission is mainly achieved through high-frequency loosely coupled transformers. Under high-freque...
1. HardwareThis review is about Intersil's ISL29035, a digital infrared light sensor with an ultra-small package.
ISL29035 is the industry's smallest 6-pin digital infrared light sensor that can accur...
At the 2020 WWDC Global Developers Conference last week, Apple officially announced its plan to use Apple's self-developed chips on Mac in the future, and said that its processors will bring new perf...[Details]
The sixth beta of iOS 14.5, released yesterday, introduces two new English voices. In addition, it also adds a new settings option for users to choose their preferred Siri voice instead of the defa...[Details]
This morning, the Huawei Game Center Community issued an announcement that because Tencent Games unilaterally made major changes to the cooperation between the two parties at 17:57 on December 31, 20...[Details]
After sending the instruction to sleep, the code runs away after the external IO terminal wakes up the CPU. The main reasons are as follows a) When shutting down peripherals, you must first execute...[Details]
Due to the impact of the Sino-US trade war, some foreign companies have plans to move their production lines out of China. Just as Microsoft refuted the rumor that its manufacturing business would no...[Details]
Linear array speakers are called line source array speaker systems. They are composed of multiple speakers. Because they are very close, they are easily interfered when interlaced in the radiation ...[Details]
After understanding the assembly before kernel startup, let's take a look at the formal C language startup code, that is, our start_kernel function. start_kernel is quite large, and each function call...[Details]
LED
is a technology-driven industry, especially the technology and capital-intensive chip manufacturing industry, which requires high-end process equipment to provide support. However, simi...[Details]
Recently, Doublestar New Materials said in an institutional survey that in 2022, with the release of production capacity, the company will enter a year of structural optimization and brand efficiency...[Details]
On March 29, 2018, Neusoft Carrier disclosed the "Announcement on the Transfer of Equity in the Affiliated Company Antino", proposing to transfer the company's 49% equity in Shanghai Antino Technolog...[Details]
Since the domestic market was opened to foreign-funded battery companies, a large number of foreign-funded power battery manufacturers have settled in. Recently, South Korea's SK Innovation announced...[Details]
In memory, the basic storage unit is a byte. Since the address line of a 16-bit CPU is 20 bits, a 20-bit number can be used to uniquely identify a byte storage unit. When you need to find a speci...[Details]
According to foreign media reports, Tesla is unique in the field of autonomous driving. The company is committed to developing computer vision and artificial neural network technologies to solve the ...[Details]
BYD has spoken again! "Things have changed over time. BYD's lack of external supply made CATL successful, and CATL's 'playing' with Party A made BYD successful again." This is what an unnamed BYD ins...[Details]
Infineon Technologies Launches SECORA™ Pay Green, World’s First Contactless Payment Card Technology, Reducing Plastic Waste by Up to 100%
SECORA™ Pay Green lays the foundation f...[Details]
Power technology
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