After getting the development board, I found that the board has a lot of peripheral circuits, and the interfaces are very rich. In particular, the main controller integrates WLAN and 2.4GHZ wireless f...
Hehe~ I always feel like there are too many capable people in a forum like this, and I usually don’t dare to speak up~~ Huhu~ I can finally breathe a sigh of relief. Newcomer, let me report in~ Hello,...
It is a virus that infects a USB flash drive. An autorun.inf file appears in the D disk. At the same time, when you right-click the D disk, there will be an additional "browse" item. The content of th...
[size=3]:victory:Add a little bit of information every day to make yourself go further! [/size][size=3] [/size] [size=4] [/size] [size=4][backcolor=yellow][b]Attention! ! ! This resource has been dele...
The CPU is STM32F103CB, without operating system. Receive data from GPRS through UART1 and process it in the interrupt function USART1_IRQHandler unsigned char a_GPRSData[500]; unsigned int g_DataLeng...
I recently used MSP430FR5949 and found that when the serial port baud rate was 115200, the MCU woke up from LMP3 and received data incorrectly. The reason was probably that the start bit was judged in...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
Microcontrollers are something that many people want to learn about and are concerned about. In most websites, the hardware requirements are generally as follows:
1. You need a computer, prefer...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
RF/Wirelessly
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