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1. The TTL Schmitt trigger has an on/off function. A corresponding 32-bit lock register (GPIOx_LCKR) can control the switch to keep the input data register in the current state, achieving a locking e...[Details]
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Circuit function:
The circuit can realize the function of 9-way buzzer. After one person presses it, it will be invalid for others to press it. They need to be reset before they can answer again.
T...[Details]
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1 Classification of switching power supplies
Switching power supplies are divided into two types: isolated and non-isolated. Here we mainly talk about the topology of isolated switching power sup...[Details]
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1. Overall framework
(1) Diagram (DAI (Digital Audio Interface))
In embedded systems, the sound card driver is ASOC, which is a layer encapsulated on the ALSA driver and includes the foll...[Details]
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August 10 news: At 2:30 pm today, Huawei will hold the Honor Smart Screen chip launch conference at the Dongguan Basketball Center. The Honor Smart Screen will be the first to be equipped with Huawei...[Details]
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introduction
With the rapid increase of cars, the problem of parking difficulties in cities has been getting worse. As an effective measure to solve the static traffic in cities, the automated...[Details]
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At Apple's press conference early this morning, Apple launched a new white Magic Keyboard for the new iPad Pro. Apple released the Magic Keyboard for iPad Pro in the spring of 2020. It is similar t...[Details]
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Just now, the storm against Huawei came again! Influenced by US hegemonic politics! IEEE, Institute of Electrical and Electronics Engineers, is the most famous and largest non-profit multinational ...[Details]
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As energy problems become increasingly serious, it has become very important to save energy through various scientific and technological means. As the most widely used energy-consuming facilities, ...[Details]
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I would like to introduce to you a magical tool that can connect the power analyzer to the CAN bus network, the WT-can communication adapter: iDAQ-WTCAN. It is the small box in the picture below. Wit...[Details]
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The pace of video surveillance networking has been fully launched, and a large amount of surveillance data is stored in NVRs and IP-SANs installed with hard disks. As we all know, large-capacity h...[Details]
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According to foreign media reports, optical technology company ams Osram (AMLS) has launched a digital projection system that aims to turn the vehicle and its surroundings into a canvas, providing OE...[Details]
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Many applications require remote control of oscilloscopes. For example, a networked computer controls an oscilloscope on the same network. If the control is more complex or requires automatic measure...[Details]
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Abstract: The MAX13256 features an adjustable overcurrent threshold for short-circuit protection. It is difficult to design a buffer for this device using standard methods. This application note de...[Details]
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Create light.c:
Modify start.S:
Modify Makefile: add light.o
Finally, make succeeded and burning was successful.
Similarly, we can also call our assembly f...[Details]
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