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Over the years, chipmakers have relied more and more on high integration to save power, reduce chip area, and improve product performance and efficiency. It started with small things like "memory con...[Details]
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Mouser Electronics New Product Recommendations: Nearly 10,000 New Components Launched in the First Quarter of 2022 Global Distributor Leading the Way in Introducing New Products May 6, 2022 – Mouse...[Details]
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I am using the TQ2440 development board, and this program is based on Wei Dongshan's. 4 LED lights The following are the drivers #include linux/module.h #include linux/kernel.h #include linux/fs.h ...[Details]
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In recent years, the security industry has developed rapidly. There are not only many types of security monitoring lenses on the market, but each lens has its own characteristics and uses. In terms...[Details]
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Recently, Thundercomm's joint venture subsidiary Thundersoft officially launched three new modules, TurboX C2210, C4210 and C5430, which can cover different levels of smart IoT devices in different...[Details]
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WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Quan Ding has launched a TWS Bluetooth speaker design solution based ...[Details]
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Electrostatic discharge generator and circuit
Causes of electrostatic discharge
There are many causes of electrostatic discharge, but IEC61000-4-2 (GB/T17626.2) mainly describes that in lo...[Details]
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rs bit p2.6
r_w bit p2.5
enable bit p2.7
db0_db7 data p1
org 0000h
ajmp main
org 0050h
main:mov sp,#60h
lcall initial
lcall cls
main1:
ll2:lcall key
cjne a,#00h,l1
ajmp lp
...[Details]
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According to xiaomiui.net, it has been a few months since the launch of the Xiaomi 12 series, and it looks like Xiaomi is already preparing for its successor. Recently, traces of the Xiaomi 12S ...[Details]
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Like network analyzers, oscilloscopes, and signal generators, spectrum analyzers are also essential RF test and measurement instruments. Among all RF test instruments, spectrum analyzers are the mo...[Details]
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When using Siemens inverters, the frequency and voltage are increased accordingly as the motor accelerates, and the starting current is limited to less than 150% of the rated current (125%~200% dep...[Details]
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Digitimes Research estimates that Apple will place orders for approximately 90 million units of the newly released iPhone 13 series with upstream assemblers in 2021. Digitimes Research analyst Sean L...[Details]
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USB provides a means for multiple portable devices to be charged from a single "universal" power source, making it more convenient. But there are many challenges in this regard. Previously, USB cha...[Details]
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On September 19, the People's Government of Tumote Right Banner, Baotou City, Inner Mongolia, released a public notice on the investment promotion of the 100,000 photovoltaic grid-connected invert...[Details]
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1. Interrupt handling architecture
The Linux kernel unifies the numbers of all interrupts and uses an array of irq_desc structures to describe these interrupts.
The array is d...[Details]