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button There are two commonly used key circuits, one is an independent key and the other is a matrix key. Independent buttons The independent buttons are each connected to an independent input line...[Details]
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1. Robot applications without machine vision have limitations The position must be fixed On the production line of robot-assisted production, the robot's movement position is pre-set according to the...[Details]
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introduction
ARM released the ARM Cortex Microcontroller Software Interface Standard (CMSIS) on November 12, 2008. CMSIS is a vendor-independent hardware abstraction layer for the Cortex-M proc...[Details]
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The rapid development of microelectronics and software technology is profoundly changing the design of in-vehicle entertainment control and safety systems, redefining the driving experience.
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;This program is used to verify the calculation formula of the watchdog and its overflow time of the STC12C2052AD series microcontroller
;Watchdog and its overflow time = (12 * Pre_scale *32768)/Osci...[Details]
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1. Introduction
With the continuous development and improvement of PWM technology, switching power supplies have been widely used. In the past, the design of switching power supplies usual...[Details]
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After launching the Nokia C1 Plus for the international markets, HMD Global has now launched the Chinese version of this entry-level smartphone for RMB 499. It will be available starting December 25....[Details]
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Today's switching power supply technology relies heavily on power semiconductor switching devices, such as MOSFET and IGBT. These devices provide fast switching speeds and can withstand irregular vol...[Details]
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RCC circuits are divided into two types according to different power tubes. One is made of triodes, and the other is made of MOS tubes. The circuits are slightly different, but the principles are...[Details]
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Recently, the China Academy of Information and Communications Technology released a report on the development of domestic smartphones in the first half of this year. The report stated that from Janua...[Details]
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Abstract: This paper describes the hardware circuit and software design framework of STM32 with Cortex-M3 core as the main control chip, PN532 RF chip, and ENC28J60 Ethernet controller, and analyzes ...[Details]
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1. Test tasks
(1) Reading of integrated operational amplifiers.
(2) A simple test to check the quality of an integrated operational amplifier.
(3) Testing of integrated operation...[Details]
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Recently, Huohe Technology & Guojia held a brand upgrade strategy conference with the theme of "Paying tribute to the elite and unlocking a new life". At the conference, Huohe Technology announced a ...[Details]
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This project is able to control the speaker behavior. When a 3.5mm audio is plugged in, it disconnects the internal speaker.
background
The $30 Echo Dot is a music streaming player that h...[Details]
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Before doing anything, you must have a goal in mind. Things without a goal cannot be done well or accomplished. My goal is to learn ARM development, of course, in-depth learning.
The goals are ...[Details]
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