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On August 17, iQOO held a new product launch conference for the iQOO 8 series, which is called "Full-Sense Control is Ready to Go". As iQOO's flagship product of the year, BOE exclusively supplies th...[Details]
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Taking the 4X4 keyboard as an example, first make the circuit as shown below. Then connect HOR1-HOR4 to the input pins of the microcontroller; LON1-LON4 to the open-drain output pins of the micro...[Details]
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With the comprehensive improvement of high brightness light emitting diodes (HB-LED) in terms of light output, energy efficiency and cost, combined with many advantages such as compactness, low v...[Details]
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01 1. Timer
1. The S7-200 SMART CPU provides three timers: on-delay timer (TON), hold-on delay timer (TONR), and off-delay timer (TOF).
2. Timer number and resolution
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Table of contents: 1. Program: Timer 2 interrupt configuration, high-precision delay function and LED light initialization 2. Basic knowledge: 1. Procedure: #include iostm8s003f3.h #include "timer...[Details]
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On May 18, according to xiaomiui.net, a new Xiaomi POCO phone with model number 22041216G appeared in the IMEI database. It was revealed that the phone will be named Xiaomi POCO X4 GT and will b...[Details]
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1. Then it says that the addresses of port A, port B, port C and control register of 8255 are 7FFCH, 7FFDH, 7FFEH and 7FFFH respectively. How is this calculated?
The high eight bits 7F are because p...[Details]
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Abstract: Can you accurately name different colors? What is the difference between XYZ tristimulus values and RGB primary colors? What is the new thing about spectral sensors? If the color changes ...[Details]
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Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
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The SM-T54 from Shuomen is a TYPE C to HDMI+VGA+USB3.0+PD3.0 four-in-one multifunctional docking station that supports four ports at the same time. You can connect a computer host with USB 3.1 prot...[Details]
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This program does not display normally after powering on, but becomes normal after a while. The buttons do not seem to work. I hope you can understand what is going on.
The frequency is 12mhz, star...[Details]
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On December 6, Microsoft's stock price reached $151, and its market value exceeded $1.1 trillion. The gap in market value between Microsoft and Apple, the world's most valuable company, is now less t...[Details]
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Xiaomi mobile phone - a high-quality smartphone designed for enthusiasts. Xiaomi mobile phone developed rapidly in the past few years, but it seems to have been less active in recent years. It must b...[Details]
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Commercial lighting has become a key area of lighting design and lighting application research because of its wide range of service objects and application purposes. Such articles have long been...[Details]
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In the last EV Focus column, we talked about why electric vehicles need to use 800V, and also roughly understood the relationship between SiC and 800V. In this issue, we will zoom in and talk about...[Details]
Power technology
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