[backcolor=white][size=4][color=#000000]The so-called positioning is to use all the available information to infer the user's location and get the maximum possible user location. [/color][/size][/back...
How to choose a wireless bridgeMore and more wireless bridges are used, especially where wiring is inconvenient. It is widely used in places with poor building environment. How to choose a good wirele...
As we move into the pervasive world of the Internet of Things ( IoT ), connectivity for embedded devices is essential. Wireless connectivity seems to be the mainstream trend, but most wireless devices...
The board was obtained from the EEWorld event and provided by DFRobot
Product link: http://www.dfrobot.com.cn/goods-1317.html?tdsourcetag=s_pcqq_aiomsg
First, here are some nice photosYou can tell it’...
[i=s]This post was last edited by alan000345 on 2018-11-22 10:08[/i] [align=left][align=left][align=left]The state switching of the terminal device in the TI ZigBee protocol stack is still quite diffi...
Following GitHub, Microsoft acquired npm.From: https://github.blog/2020-03-16-npm-is-joining-github/I’m excited to announce that GitHub has signed an agreement to acquire npm. npm is an essential part...
Common faults of three-phase asynchronous motors, including faults occurring at starting, faults occurring during operation, the motor cannot start without any sound, the motor cannot start with a ...[Details]
On November 20, State Grid Electric Vehicle Company held a launch event with the theme of "New Infrastructure: Millions of Access, New Momentum and Energy Interconnection", announcing that Stat...[Details]
Apple is reportedly planning to expand its global retail presence by opening more physical stores. Bloomberg notes that Apple is planning to open more retail stores. The company currently operates 51...[Details]
1. Understand the voltmeter (1) Voltmeter: A device that measures the voltage between two points in a circuit. (2) The symbol and appearance of a voltmeter, first introducing the dial and termina...[Details]
China Energy Storage Network:
As countries around the world promote the development of clean, low-carbon new energy systems, the proportion of distributed renewable power sources, electric ve...[Details]
Note on the use of STM32 PB2 (BOOT1) Since the STM32 PB2 pin is a multiplexed pin, and the multiplexed function is used for boot selection, be careful when using it ---------------------------------...[Details]
Recently, it was learned from Tianwei New Energy Holding Co., Ltd. that the "Shenniao" high-efficiency solar cells developed and mass-produced by the company have an average photoelectric conversio...[Details]
1. The implementation principle of LED driver:
The conductivity of the transistor is controlled by the high and low levels of the GPC0_3 and GPC0_4 pins, thereby controlling the on and off of ...[Details]
In current AC/DC applications, the improvement of power conversion efficiency and energy-saving performance is becoming more and more important. Full load efficiency has always been a major conside...[Details]
A BASF scientist pours a paste of cathode active material onto aluminum foil. The cast film is then dried and compacted. It will later become the cathode, the positive electrode o...[Details]
According to China Economic Weekly, on November 3, at the 2020 World Computer Conference held in Changsha, Hunan, Ni Guangnan, an academician of the Chinese Academy of Engineering, said that China ma...[Details]
With the increasing application of variable frequency speed regulation technology in my country's cement industry, it has become an inevitable trend to replace voltage regulation, slip regulation a...[Details]
Bit operation is a common problem in automation control. Recently, I saw someone on the forum mention the problem of extracting the upper and lower four bits of a byte. Today, let's take a closer look...[Details]
Abstract:
Finite element technology is used to reduce weight and optimize the structure while considering the collision performance and stiffness characteristics of the vehicle. Considering a...[Details]
RF/Wirelessly
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