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In recent years, with the popularity of portable products, such as smartphones, tablets, laptops, MP3 players, etc., almost everyone uses these portable products. However, when you are out and about ...[Details]
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At present, lithium batteries still have safety issues. In recent years, electric car fires have occurred frequently, many of which were caused by lithium battery fires. But the news is that the rese...[Details]
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MAP gas mixtures are usually composed of common atmospheric gases such as carbon dioxide (CO2), nitrogen (N2) and oxygen (O2). The introduction of other gases, such as nitric oxide (N2O), argon (Ar) ...[Details]
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LED is often used as a display in single-chip microcomputer application systems. When multiple LED displays are required, in order to simplify the circuit and reduce costs, the selection lines of all ...[Details]
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Google One is a consumer subscription service launched by search giant Google, which mainly provides cloud storage expansion (up to 100B) starting at as low as $1.99/month. Each Google account c...[Details]
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Recently, China Mobile announced the list of candidates for the centralized procurement of distributed block storage products from 2020 to 2021. This is the second general distributed block storage c...[Details]
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#include
#include
#define key_port P0 //Keyboard interface definition
sbit key_port_0=key_port^0;
sbit key_port_1=key_port^1;
sbit key_port_2=key_port^2;
sbit key_port_3=key_port^3;
/********...[Details]
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When using the ICCAVR C compiler, I felt that the default font size was uncomfortable to read and affected the code reading. After searching online, I found a way to change the font size: Tools -> Edi...[Details]
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Linear bearings and linear guides are two key linear motion components in industrial manufacturing. They play an important role in supporting and guiding the shaft, but there are some significant d...[Details]
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On March 22, Suzhou Goodech released its 2020 performance report, stating that the company achieved operating income of 1.805 billion yuan, a year-on-year decrease of 8.88%; the net profit attributab...[Details]
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RS-485 interface chip can play a role of level conversion, converting TTL signals, COMS signals, etc. into differential signals that can be transmitted on the 485 bus, and converting the received 485...[Details]
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Power supply is an indispensable part of all electronic products. Power supply is divided into switching power supply , linear power supply and other types. Among them, switching power supply ha...[Details]
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Function: Digital tube display 4X4 keyboard matrix keys PROTEUS and 51 single chip microcomputer tutorial The program source code is as follows: /* Digital tube display 4X4 keyboard matrix butt...[Details]
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I recently learned about ADC sampling in STM32. Since I happened to have an MQ-2 smoke sensor, I could test it and experience the ADC sampling process. The following is an introduction to the MQ-2 sm...[Details]
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1. Overview of the communication architecture industry chain
Early cars used a single point-to-point communication method and had little contact with each other. Each signal transmission requi...[Details]
Embedded System
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