1. 74HC573 is an 8-bit data latch. Mainly used for the control of digital tubes, buttons, etc. 573 has two functions: 1) Data latch. When the input data disappears, the data is still maintained at the...
(1) Harvard structure: Programs and data are stored in different memories, and each independent memory is independently addressed and accessed.(2) Multi-stage pipeline: A DSP instruction (fetch, decod...
As the name implies, it is a serial peripheral interface. SPI is a high-speed, full-duplex, synchronous communication bus. The standard SPI also uses only 4 pins and is often used for communication be...
Correct switching power supply PCB layout becomes very important.
In many cases, a power supply that is designed perfectly on paper may not work properly during the first commissioning because there a...
A diagram that uses circuit component symbols to represent circuit connections is called a circuit diagram. A circuit diagram is a schematic layout diagram that uses physical electrical standardized s...
As of October 12, Beijing time, the market value shows that the current share price of Midea Group is 73.39 yuan, with a total market value of 515.42 billion yuan, while the share price of Gree Elect...[Details]
Recently, Yang Jie, chairman of China Mobile, said that China Mobile will build more than 50,000 5G base stations next year, which means that 5G may be fully popularized next year. However, at the sa...[Details]
1 Introduction Compared with the traditional centralized power supply system, the modular distributed power supply has the characteristics of high reliability, high efficiency, small size and conven...[Details]
Makhtar Diop, head of infrastructure at the World Bank, and Boutheina Guermazi, director of the Electronic Development Department, visited KT's Seoul R&D Center, raising concerns about the possibilit...[Details]
The automated management and operation system has become an indispensable part of modern enterprises. The video image transmission monitoring system has been widely used in important occasions such...[Details]
The 14th Five-Year Plan proposes to "actively and steadily develop the industrial Internet and the Internet of Vehicles" and "coordinate development and security". Many proposals at the National "Two...[Details]
To design a product, we must first determine which LED packaging structure to use; then consider how to adapt to these packaging forms; we do not have many choices, and the optical structure is bui...[Details]
Japan's two-seater "flying car" was successfully tested on February 17. Image source: "Nikkei Asian Review" "Flying cars" are widely regarded as the next generation of transportation. On February...[Details]
Input capture mode can be used to measure pulse width or frequency. Except for TIM6 and TIM7, all other timers of STM32 have input capture function. The following is the calculation of pulse width an...[Details]
1. About timer The timer consists of two registers: the upper 8 bits and the lower 8 bits. TMOD is the timer working mode register, which determines the working mode of the timer; TCON is the control...[Details]
LC oscillator circuit with voltage control frequency To change the oscillation frequency of an LC oscillator circuit, you can change the value of the coil or capacitor. If you replace the capacitor...[Details]
WPG World Peace Group launches small industrial power supply solution based on ON Semiconductor products On June 16, 2021, WPG Holdings, a leading semiconductor component distributor dedicated to t...[Details]
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Analog fan control circuit
1. Timing setting. Each press of the timing value is 0 minutes---2 minutes----4 minutes---6 minutes----8 minutes--10 cycles.
2. There are three working modes of the ma...[Details]
STC15F104W microcontroller is a single clock/machine cycle (1T) microcontroller produced by STC. It is a new generation of 8051 microcontroller with high speed/high reliability/low power consumption/...[Details]
I started to get involved in embedded systems by learning microcontrollers, so I always felt that I should start from the hardware and then move on to the drivers. This learning process made it eas...[Details]
Microcontroller MCU
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