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introduction
Universal Serial Bus (USB) is a new interface technology on computers, which is becoming more and more popular. Compared with the previous RS 232, RS 485, ISA, PCI and parallel in...[Details]
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Xiaomi's new 5G phone (model M1908F1XE) has passed 3C certification. The phone is equipped with a 45W charger (power adapter model MDY-10-EX), making it the Xiaomi phone with the highest charging pow...[Details]
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According to reports, research teams from the University of Cambridge, the University of Oxford, and University College London (UCL) jointly developed an augmented reality head-up display. This devic...[Details]
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Jiwei.com reported that on April 21, the leading IoT module company Quectel Communications opened at the limit down, with the share price at 187.76 yuan/share, down 10.00%. It should be pointed out t...[Details]
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Recently I am using STM8S003F to simulate the serial port to send data. There are many resources on the Internet, but I didn’t find what I needed. So I wrote an article and made a summary. This artic...[Details]
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01
What is a Connector?
Let me first show you a photo of the high voltage connector (Rosenberger HVR270) to give you a basic impression.
The photos of the actual application (m...[Details]
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Written in front Today, when I was working on STM32F4, I used a special memory called CCM. I searched the Internet but didn't find much introduction, so I just looked it up in the manual. Basic Ar...[Details]
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The ATmega168 can operate the Timer Counter 2 from an external 32.768 kHz table oscillator or an external clock source. The timer/counter pins TOSC1/TOSC2 and XTAL1/XTAL2 are shared. This means that ...[Details]
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Have you ever thought that one day in the future, cars will no longer need a steering wheel to operate freely? Perhaps it seems incredible today, but it has indeed happened. In 1996, it was just a re...[Details]
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The occurrence of hypertension has a great impact on people's lives and bodies. If blood pressure is not well controlled, it will continue to rise, causing many complications, and in severe cases i...[Details]
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Last month, US President Trump sent a tweet to Apple CEO Cook, lamenting that the iPhone without a Home button was difficult to use, saying that the old Touch ID was "much better" than the new...[Details]
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Graphcore announces first MLPerf submission results, AI performance remains at the forefront July 1, 2021, Beijing - Today, Graphcore officially announced the results of its first MLPerf™ submissio...[Details]
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1. LED dot matrix luminescence principle If you want to light up a certain LED in the array, you only need to make the row where the LED is located output a high level and the column where the LED is...[Details]
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Which is better, a solid electrode electrolyte analyzer or a liquid electrode electrolyte analyzer?
The author has been using electrolyte analyzers for nearly 10 years. In the first seven or eigh...[Details]
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Analysis process:
Program entry
Phase 1 Program Analysis
Second stage program analysis
2440 Development Board:
1.uboot entry:
To see the entry of...[Details]
PCB Design
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