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In STM32, there are five clock sources: HSI, HSE, LSI, LSE, and PLL.
①. HSI is a high-speed internal clock, an RC oscillator, with a frequency of 8MHz.
②. HSE is a high-speed external clock, which c...[Details]
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According to Taiwanese media DigiTimes, Apple's 5G mobile phone iPhone 12 has been a success, and the millimeter wave (mmWave) models sold in the US market are equipped with Apple's self-designe...[Details]
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1. Set obj and src
ifneq ($(OBJTREE),$(SRCTREE))
ifeq ($(CURDIR),$(SRCTREE))
you :=
else
dir := $(subst $(SRCTREE)/,,$(CURDIR))
endif
obj := $(if $(di...[Details]
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The key detection method handles different events. All keys are taken as an example of PIC16F505's RC4 input port.
Method 1:
Void scan()
{
if(RC4==0)
{
Delay(50);
if(RC4==0)
{
num++；//Multi...[Details]
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On November 18, 2022, the 200MW photovoltaic/120MWh energy storage power station in Huchang, Xiantao, Hubei, constructed by Linyang, was successfully connected to the grid, officially opening a...[Details]
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The median average filtering method is to continuously sample N data, sort the data from small to large, remove the maximum and minimum values, and calculate the arithmetic mean of the remaining N-2 ...[Details]
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Jiwei.com reported on March 1 that an Apple user in Shanghai sued Apple for suspected monopoly because he was dissatisfied with the fact that some App memberships were more expensive than Android use...[Details]
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WPG Group launches network camera (IPC) solution based on CVITEK and SOI products
On February 15, 2023, WPG Holdings, a leading semiconductor component distributor dedicated to the A...[Details]
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Looking back on this month, I have walked alone and made many detours and mistakes: 1. Lay a good theoretical foundation first, then practice; 2. Want to do the project directly, ignoring that large p...[Details]
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As a leader in industry and innovation, we are committed to supporting the efficient development of China's industries from multiple dimensions.
In recent years, China's robotics industry has ...[Details]
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Recently, the 80MW fishery-photovoltaic complementary project of Jiezungongdao was connected to the grid in Yangzhou, Jiangsu. The project can independently participate in the power market response by...[Details]
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According to foreign media reports, forensic software developer Elcomsoft has just updated its toolkit to allow partial data extraction from unlocked iPhone devices running iOS 12 to iOS 13.3....[Details]
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Industry Focus 1. Beijing will build a high-level autonomous driving demonstration zone 3.0 by 2022 On January 20, Kong Lei, deputy director of the Beijing Economic and Technological Development ...[Details]
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The most conservative forecast is that there will be more than 100 billion devices connected to the Internet in 2045. These devices include mobile devices, wearable devices, home appliances, medica...[Details]
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1. Physical indicators
Pixel center to pixel pitch (dot pitch) The distance between the centers of adjacent pixels. (Unit: mm)
Density (dot count): The number of pixels per unit ar...[Details]
stm32/stm8
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