[i=s]This post was last edited by fish001 on 2020-7-21 22:51[/i]We introduce an active circuit, the operational amplifier, which has certain properties (high input resistance, low output resistance, a...
[i=s]This post was last edited by Eurasia32 on 2022-7-21 12:45[/i]Generally speaking, the communication interfaces that appear more frequently in microcontroller development are U(S)ART, SPI and I2C. ...
1. 4G/5GDTU/router, it is a wireless unlimited distance remote transmission method, it is based on the network of the three major operators for data transmission, supports public network transmission ...
"Wireless Communication Principles and Applications" (2nd Edition) is an authoritative and up-to-date textbook on wireless communication technology and system design. Since the first edition was publi...
According to Jiwei.com, the 2021 5th Jiwei Semiconductor Summit with the theme of "The Heart and the Core are in the Same Form, Changes are Like Kunpeng" will be held in Haicang, Xiamen from June 25 ...[Details]
For the definition of ATmega128's I/O space, see P 342 “Register Overview”. All I/O and peripherals of the ATmega128 are placed in the I/O space. All I/O addresses can be accessed by the LD/LDS/LDD...[Details]
After plugging ST-LINK-V2 into the computer, you will find that the D1 light on it is always flashing, which means that ST-LINK has not been recognized by the computer yet. Download the driver: http...[Details]
ARM Program State Register In ARM mode, there are 16 data registers and 1 or 2 status registers that are accessible at any time. In privileged mode , the corresponding special group of registers can...[Details]
Problem Description:
Hardware conditions: fl2440 development board jtag downloader serial port connected to com1 115200 8n1
Software conditions: official original u-boot-1.1.6 arm-linux-gcc-3.3.2...[Details]
1. Buzzer mode Diode buzzer gear - In this gear, we can test whether diodes and some circuits are open or closed, and even some serious short circuits can be detected. For example, take a diode to ...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
At noon on January 24, Fumanwei announced that it expects to achieve a net profit attributable to the parent company's owners of 470 million to 490 million yuan in 2021, an increase of 367.81% to 387...[Details]
On May 16, State Grid Shanghai Electric Power Company and Shanghai University of Electric Power signed a comprehensive strategic cooperation framework agreement. The two parties will carry out comp...[Details]
Important parameters for selecting piezoelectric buzzers
1. Size: The size of the buzzer will affect the volume and frequency. The electromagnetic type ranges from 7mm to 25mm, while the piezo...[Details]
The current 5G mobile phone industry chain is in an accelerated construction period. Based on the network transformation from 4G to 5G, 5G mobile phones will face new demands for high speed and high ...[Details]
This article will show you how to make an LED flower that can sense humidity. This video will explain how the circuit works. This is a versatile project. It can be placed in a glass container and app...[Details]
1. Determination of STM32 ADC sampling frequency
First look at some information to determine
the clock of the STM32 ADC:
(1) The ADCCLK clock provided by the clock controller is syn...[Details]
(1) The modulation circuit is mainly completed by a 32.768KHz crystal oscillator. This circuit generates an oscillation signal through the self-excited oscillation of the crystal oscillator. The si...[Details]
The automotive Ethernet series of articles "When DoIP meets TLS" introduced the changes in the new version of ISO13400-2 specification, an introduction to TLS, and the data flow of the CANoe TLS de...[Details]
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