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The RS232 standard was born before RS485, but RS232 has several shortcomings: The signal level of the interface is relatively high, reaching more than ten V. Improper use may easily damage the inter...[Details]
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LED
is a solid-state electric light source, a
semiconductor lighting
device, and its electrical characteristics are highly discrete. It has the characteristics of small size, high ...[Details]
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There are several issues to consider when trying to reduce power consumption in an AVR controlled system. In general, use sleep modes as much as possible and keep as few modules as possible running. ...[Details]
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1. Startup code generated by Keil C
Listing 1.1 AT89C51 startup code
$NOMOD51 //Do not use the default special function register 51
;
; This file is part of the C51 Compiler package
; Copyri...[Details]
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Today’s wireless connectivity architecture in commercial vehicles may be suitable for standard Level 2 of autonomous driving. However it remains questionable whether it can meet the performance req...[Details]
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Preface BMW demonstrated the hardware architecture from L1 to L4 in a technical exchange event earlier this month. This is consistent with the architecture of mPAD, hPAD and uPAD we have seen befor...[Details]
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Yesterday, OnePlus Technology founder and CEO Liu Zuohu published a long article in the OnePlus Community titled "OnePlus TV: Imagination and Intelligence", sharing the latest developments of OnePlus...[Details]
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* File name: main.c
* Function: Test the driver function of the TFT screen
* Author: jianqi
* Version: v1.0
#include"2440addr.h" //Includes the settings of 2440 related registers
#include"TFT....[Details]
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As an "upgraded version" of traditional millimeter-wave radar, 4D millimeter-wave radar has finally exploded this year after years of precipitation. Recently, driven by Tesla, a number of listed co...[Details]
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Consumers are increasingly using their phone speakers to watch and share videos on social media, make video calls, or listen to podcasts and music while multitasking, a trend amplified during the COV...[Details]
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If you browse the news about artificial intelligence (AI) on the Internet, you will find that these AIs can already do many things that humans can do, but much better. Today's AI can detect cancer be...[Details]
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introduction
Nowadays, embedded devices exist in every corner of people's lives, such as DVDs, mobile phones, MP3s, and PDAs. Most of these embedded devices use 32-bit RISC embedded processors...[Details]
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This circuit uses the Johnson counter as a special shift register, which has 12 output terminals. Under the control of a 1 to 10 Hz clock, the output state changes are almost random. Depending on ...[Details]
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从制造过程开始，一直到所有的应用领域，极低功耗技术逐渐成为所有设计中必不可少的需求。对能源敏感的应用，特别是必须以单颗电池提供连续数小时运作时间的产品，更需要加入极低功耗设计概念。要满足这些要求，就必须整合微控制器，这不仅要瞭解电池特性，还必须深入瞭解为了达到连续使用10、15甚至20年却无须更换电池的目标，应该如何设计一款装置。
要在极低功耗条件下操作，就必须用全新的方法来看待这...[Details]
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When I first started learning about STM32 microcontrollers, I didn’t quite understand the rules of interrupt priority. Through today’s study, I have a new understanding of this aspect and I’ll record...[Details]
Analog electronics
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