Hi everyone, I'm working on SAMR21 recently. I just received the board yesterday. I followed this post [url]https://bbs.eeworld.com.cn/thread-452891-1-9.html[/url] to familiarize myself with the devel...
I plan to use a piezoelectric chip as the voltage input of a tp4055 to charge a battery. Is that ok? ? ? What does the "constant current/constant voltage operation" mentioned in the tp4055 data sheet ...
[font=宋体][size=12pt][/size][/font] [font=宋体][size=12pt] [/size][/font] [font=宋体][size=12pt] [/size][/font] [font=宋体][size=12pt] BTL amplifier has a higher output power than ordinary amplifiers under t...
When I was looking up the documentation about CAN's self-reception issue, I saw this sentence: [size=5][color=#ff0000]When a self-reception request is generated, if the acceptance filter is set to the...
I would like to ask the experts a question: D1, D2, D3, D4 of PT2272 are connected to P1.0, P1.1, P1.2 and P1.3 of AT89C2051 (high level is valid). When D1 is high level, why is P1.0 unresponsive? But...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:11[/i]On the afternoon of December 5, the award ceremony of “NEC Electronics Cup--2009 National College Students Electronics Design Competiti...
The intelligent driving community has its own rhythm. Some are busy pushing new versions and focusing on R&D, others are busy with publicity and promotion, and still others are immersed in mass pro...[Details]
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
New energy vehicles are increasingly popular with consumers due to policies and energy conservation. Once you've purchased your vehicle, maintenance is essential. However, due to the different powe...[Details]
As the main model among new energy vehicles, pure electric vehicles have received strong support and encouragement from the country in recent years, and their development is changing with each pass...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
Common Mode Semiconductor has officially released its latest generation of power management ICs—the GM6506 series. This fully integrated high-frequency synchronous rectification step-down p...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
The digital TV set-top box consists of a tuner, QAM demodulator, TS demultiplexer, MPEG-2 decoder, PAUNTSC video encoder, embedded CPU system and peripheral interfaces, CA module, and uplink data m...[Details]
With the rapid development of electric vehicles in my country, people are beginning to pay attention to the issue of radiation from electric vehicles. We all know that mobile phones emit radiation,...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
On August 20, Geely announced its focus on "One Cockpit". Through a unified AI OS architecture, a unified AI Agent, and a unified user ID, it will achieve an All-in-One AI cockpit, create the first...[Details]
Nascent Micro is launching devices covering a wide range of power applications, including gallium nitride (GaN) drivers, dual-channel automotive drivers, and battery protection MOSFETs.
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In today's busy society, people experience chronic high stress, which in turn poses a significant threat to our health. Therefore, effectively relieving stress has become a pr...[Details]
Driven by business opportunities such as access to new markets and government initiatives like the Belt and Road Initiative, global expansion has become a significant trend for Chinese companies. C...[Details]
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