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The detection application of ultrasonic flaw detector mainly includes the detection of various materials in industry and the detection and diagnosis of human body in medicine. Through it, people can d...[Details]
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This application note discusses the definition of spread spectrum system sensitivity and how to calculate the sensitivity of a digital communications receiver. A step-by-step derivation of the rece...[Details]
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// Parameter: wAddr is address, range 0x1000~0xFFFF
void ReadFlash(U16 wAddr,U8 *bBuf,U8 bLen)
{
while (bLen--)
*bBuf++=*(U8 *)wAddr++;
return;
}
void WriteFlash(U16 wAddr,...[Details]
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Below is the circuit schematic
The following is the microcontroller program 1:
#include reg52.h
#define uchar unsigned char
#define uint unsigned int
flying i, temp;
void Delay(ui...[Details]
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In recent years, my country's automobile industry has achieved rapid development. Although there is still a certain gap compared with joint venture brands, the gap is narrowing. Especially in the fie...[Details]
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Volkswagen shows future use cases of UWB technology with concept car: more reliable anti-theft protection, greater safety and convenience Hamburg, August 26, 2019 - NXP Semiconductors NV (NASDAQ: N...[Details]
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Huawei is focusing on its emerging cloud business to ensure its survival, as it can still obtain American chips despite US sanctions, Reuters reported, citing the Financial Times. The report said t...[Details]
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GIC is an important component in the ARM system. After understanding the composition and function of GIC, we can understand the general process of IRQ, from the arrival of hardware IRQ to the end o...[Details]
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General purpose timer
The general timers of STM32 are: TIM2, TIM3, TIM4 and TIM5
When using a general-purpose timer, use the library function to directly set the timer as follows:
1. Enable the c...[Details]
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Huawei is working to shift part of its supply chain for key products to mainland China, but some suppliers are reluctant to change their layout amid growing uncertainty in the global semiconductor in...[Details]
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The compilation environment is iar, and the chip is stm8s105s4. The external crystal oscillator is 8M. The main clock of the following content is also written with this clock. clk1_init uses the exte...[Details]
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Recently, the industry has once again been arguing over size, with the controversy over 166, 180, and 210 continuing from research and development to mass production. In fact, in the history of the...[Details]
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The car central lock is a switch button located next to the driver's seat. When the driver presses it, the driver can control the door locks of the other three doors alone. Otherwise, each door can...[Details]
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When I bought a mobile phone, I fell in love with Huawei Mate30 at first sight. The phone is very beautiful and the back is very recognizable. However, in order to save a few hundred dollars, I c...[Details]
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At the beginning of this year, there were reports that Google Pixel 4A would be released, but it was delayed again and again, and it has not been released until now. Recently, Pixel 4A has obtained S...[Details]
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