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Here we analyze 4 buttons, ENIT8 and EINT19 are missing, but the principle is the same.
4 buttons,
EINT11 / GPG3
EINT13 / GPG5
EINT14 / GPG6
EINT15 / GPG7
external pull-up resistors.
EINT 8-2...[Details]
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Recently, in order to attract new users, Apple launched a free membership campaign for Apple Music, which is only available to Chinese users. Users can get up to 4 months of Apple Music members...[Details]
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Feature phones, smartphones, PDAs, and many other cell phone derivatives are taking over many portable electronic devices. This convergence of functionality, while reducing the number of devices consu...[Details]
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After South Korea just set an ambitious goal of achieving the world's top competitiveness in the semiconductor industry by 2025, Japan, not to be outdone, proposed a goal of tripling the revenue of d...[Details]
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Figure 1 shows the output overcurrent protection circuit of the integrated operational amplifier. When the output of the integrated operational amplifier overcurrents for some reason (such as output...[Details]
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On the morning of March 25, foreign media macrumors reported that Samsung will add a third folding screen device to its smartphone series this year, which may have a unique curled shape. Othe...[Details]
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According to Jiwei.com, according to Economic Daily, Hon Hai released its financial report for last year, with a net profit of 129.065 billion yuan after tax, a year-on-year decrease of 6.9%, which w...[Details]
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//DS1820 Application
//Resolution 12 bits
#include reg51.h
#include intrins.h
#define uchar unsigned char
#define uint unsigned int
uchar digit ="0123456789";
//Delay 1 millisecond progra...[Details]
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Jiwei.com reported on April 22 that the realme Q3 series was officially released today. The realme Q3i is priced from 1,099 yuan, with a 100 yuan discount during the first sale period, and the actual...[Details]
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In recent years, with the rapid development of the flat panel display industry, equipment manufacturers such as Jingce Electronics and Liande Equipment have also developed rapidly and have entered th...[Details]
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Previously, some netizens have successfully upgraded to Mango system in jailbroken state. Yesterday, another netizen successfully upgraded his HTC Mozart without jailbreaking, and was able to direc...[Details]
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In the development of new energy vehicles, in addition to high prices, short driving range and insufficient charging and swapping infrastructure, power battery safety is the focus of attention for ...[Details]
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Researchers at the University of Washington have developed a technique they call "interscatter communication," which backscatters or reflects existing signals like Bluetooth in the air, converting...[Details]
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1. Brief Introduction Over the years, the programmable controller (hereinafter referred to as PLC) has made a leap from wiring logic to storage logic since its creation; its functions have evolve...[Details]
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Schematic diagram of the circuit that steps down 12V to 9V output composed of discrete components (transistors)
Input 9V to 30V output 24V 5A boost power supply circuit diagram ...[Details]
Microcontroller MCU
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