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Basic key program structure analysis: 1 void key_scan(void) 2 { 3 if (!key) //Check if the key is pressed 4 { 5 delay_ms(20); //delay debounce, usually 20ms 6 if(!key) 7 ...[Details]
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1. First, you should understand the types of Flash ROM
NOR FLASH address line and data line are separated. When the address and control signal are received, the data will come out.
NAND Flash addres...[Details]
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In terms of data storage type, the 8051 series has on-chip and off-chip program memory, on-chip and off-chip data memory. The on-chip program memory is also divided into direct addressing area and ind...[Details]
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Amazon’s Alexa is one of the top smart assistants that is available not only on mobile phones but also on tablets, computers, TVs, smart displays, smart speakers, and even microwaves. You will also f...[Details]
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1. Overview of PID loop control
PID controller is the most widely used closed-loop controller. It calculates the output of the controller according to the deviation between the given value and...[Details]
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With the further speed-up of permanent magnet synchronous motor design and the use of flat wire winding (Hairpin winding), the eddy current effect, proximity effect and eddy current loss (also know...[Details]
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On January 19, the Science and Technology Department of State Grid Qinghai Electric Power Company reported that the scientific and technological project "Research on Key Technologies for Improving ...[Details]
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During World War II, Hollywood actress Hedy Lamarr, who should have relied on her beauty to make a living, chose to rely on her strength to join hands with pianist George Antheil to study frequency h...[Details]
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First, you need to enable interrupts using software. That is, in C language, EA = 1; enable total interrupt ES = 1; //Enable serial port interrupt assembly SETB EA ; Enable general interrupt SETB E...[Details]
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The MAX7031 is a crystal-based fractional-N transceiver designed to transmit and receive FSK data at factory-preset carrier frequencies of 308MHz, 315MHz, and 433.92MHz, with data rates up to 33kbp...[Details]
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The orifice flowmeter is the primary element for differential pressure measurement. People use it to generate differential pressure in the fluid in the pipeline, and use the pressure pipe to transmit...[Details]
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Abstract: Multi-channel frequency detection is a common frequency measurement scheme for current digital receivers. This method can better solve the contradiction between frequency intercept prob...[Details]
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Introduction to Noise Signal Generator The completely random signal of the noise signal generator is a white noise with a uniform spectrum within the working frequency band. Commonly used white noise...[Details]
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The on-board charger can realize the functions of AC input (85VAC~265VAC)/DC output (200VDC-750VDC) output. The core architecture of its circuit usually consists of four parts: rectification, PFC b...[Details]
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Recently,
Intel released the "2023-2024 Intel China Corporate Social Responsibility Report", showing its fruitful results in actively fulfilling its corporate social responsibility in China und...[Details]