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In recent years, the rapid development of video technology has made video products more and more popular. Video signal acquisition is the front-end part of the entire video application and plays an e...[Details]
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In order to use the existing mobile communication network to control the remote electronic display screen, a solution for wireless control of the display screen based on the GSM network is propos...[Details]
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The structure of the magnetostrictive level gauge is composed of a stainless steel tube (measuring rod), a magnetostrictive wire (waveguide wire), a movable float (with a *magnet inside), etc. When t...[Details]
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Fixed output integrated voltage regulators such as the 78×× series can easily increase the output voltage V0 (see the figure below) by simply connecting two external resistors. The output voltage expr...[Details]
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Environment: STM32F103RC, main frequency 72MHz (external crystal) or 64MHz (HSI) Two DAC8760 daisy chain connection, driven by SPI1 Note: When the current loop is open, the ALARM pin re...[Details]
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With the development of modern information technology and very large-scale integrated circuits, RFID technology has been increasingly widely used in the service field, goods sales and logistics distr...[Details]
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Voltage transformer is an important equipment component in the operation of power system. It is a communication element between the primary system and the secondary system in the AC circuit. It is...[Details]
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With the booming smart car industry in recent years, the domestic in-vehicle system market has also seen rapid development. With its wide applications in voice interaction, navigation route planning,...[Details]
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1. Principle of resistive touch screen The touch screen contains two transparent layers stacked up and down, generally covering the LCD surface. The two transparent layers are composed of uniform res...[Details]
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The latest research report from Strategy Analytics’ IoT Strategy service, “The Battle for Unlicensed LPWA Supremacy in IoT,” predicts that by 2025, the number of unlicensed LPWA connections worldwide...[Details]
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Challenges of LED Power Supply As a new type of electric light source, LED has obvious advantages in making large luminous three-dimensional characters and luminous signs. It has low control volta...[Details]
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PWM - Pulse Width Modulation. My understanding is that it controls a counter to achieve the output of different pulse widths, thereby driving the buzzer to make different sounds.
The registers used i...[Details]
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#define KEY P1 //Definition of the I/O interface group connected to the keyboard
*********************************************************
Function name: 16 array keyboard drivers
Call: ? = K...[Details]
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The Samsung Galaxy A32 5G has been released in Europe. It is also Samsung's cheapest 5G mobile phone. The 64GB version is priced at 279 euros (about 2,206 yuan) and the 128GB version is priced ...[Details]
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As the global
demand
for
new energy vehicles
continues to grow, the
power battery
market has also ushered in unprecedented development opportunities. According to the latest dat...[Details]