When defining a global variable in Keil, I assign an initial value to it. Will the value of the variable remain the same each time the power is turned on again? If so, why? Thank you!...
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Shanghai
3 years or above working experience
Bachelor degree and aboveJob Responsibilities:
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1. Complete hardware circuit design wor...
The IMP34DT05 is an ultra-compact, low-power, omnidirectional, digital MEMS microphone built with a capacitive sensing element and an IC interface.
The sensing element, capable of detecting acoustic w...
The circuit is as shown in the figure. B1 and B2 are 0~10V rising edge signals, C1 and C2 are corresponding output signals, and then C1 and C2 output Q through an OR gate (not shown in the figure). No...
DSP enforces byte alignment for char, short, and int, which means char is aligned by byte, int is aligned by 4 bytes, and short is aligned by 2 bytes. So when char* points to 0x1, using (int*)char* ac...
With the rapid development of my country's economy and medical and health care, people are paying more and more attention to their health status, and their health concept has gradually changed from...[Details]
The industry has been paying close attention to which foldable screen smartphone will be officially launched between Huawei and Samsung. Previously, Samsung Electronics announced that the Galaxy Fold...[Details]
Autonomous driving technology is the future development direction. Autonomous driving is divided into conditional autonomous driving, highly autonomous driving and fully autonomous driving, and diffe...[Details]
1. Introduction
In the current electronics industry, wireless technology has penetrated into all aspects, whether it is the remote control device of the TV or the peripheral devices of the c...[Details]
A diode is also called a crystal diode, or diode for short; it is an electronic component that transmits current in only one direction. It is a device with two terminals connected by a part number,...[Details]
What water does the humidifier use
It is best to use purified water for a humidifier. The water molecules in purified water are relatively simple and are not easily polluted when sprayed out. ...[Details]
While loops are located in the Structure sub-palette "Programming → Structure → While Loops", and also in the palette "Express → Execution Control → While Loops", as shown in Figure 1. The usage and...[Details]
Abstract: A new scheme for controlling light waves using a wet reed relay and an external signal source is designed. The waveform and waveform period of the laser light wave output can be controlle...[Details]
In recent years, there are more and more car theft cases, which bring huge economic losses to people. Various car anti-theft devices have appeared on the market. This car anti-theft system uses the...[Details]
Huawei's intelligent automotive solution brand HI released a number of intelligent car-related products, including smart cockpit solutions, intelligent driving computing platform MDC810, high-resolut...[Details]
According to Xinhua News Agency, in the intelligent sensing laboratory of the power Internet of Things, two yellow manipulators are skillfully holding red operating rods to accurately strip and conne...[Details]
Since the early 1990s, multi-level inverters have been increasingly widely used in high voltage and high power fields. There are three basic topological structures of multi-level converters: diode em...[Details]
#include
#include util/delay.h
#include"12864.h"
#define BIT(bit) (1 (bit))
uchar L ="L I miss you";
uchar L7 ="Miss You Much";
void display()//Display function
{
set_position(0,0);
show_...[Details]
Apple considered launching a black version of the ceramic Apple Watch Edition Series 5, according to newly shared images of the prototype casing. The images, shared on Twitter by a tipster known as "...[Details]
Installing the ARM-Linux-GCC toolchain
Assuming your Ubuntu system is up to date, you only need to execute the following command to successfully install it:
sudo apt-get install gcc-arm-l...[Details]
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