About Wi-Fi operation:1. Turn on Wi-Fi2. Turn off Wi-Fi3. Get the WiFi network card status
Add three buttons to activity_main.xml
public class MainActivity extends ActionBarActivity
{@Overrideprotecte...
[size=4]The circuit is shown in the figure below. The circuit consists of three parts: rectifier filter capacitor, high-frequency oscillation circuit and output load circuit. [/size] [size=4] [/size] ...
Source: Kanchai.com
Friends who have observed electronic products will find that some products use mAh to mark the battery size, while some products use Wh or even kWh to indicate the battery size. Wh...
Evaluation Kit: Renesas CPK-RA2L1 Development Board
Kit source: RT-Thread
The Renesas RA2L1 product group is a 48MHz Arm Cortex-M23 ultra-low power general-purpose microcontroller that supports wide v...
The May Day holiday is coming soon. 5 days is neither too long nor too short. Do you want to have a good rest at home or do you have any plans to go out?
Welcome to share in the thread!Although most p...
[i=s]This post was last edited by alan000345 on 2019-3-27 13:47[/i] [p=25, null, left]Qorvo recently announced that several new smartphone designs have successfully adopted the latest generation of RF...
The manufacturing industry has long faced the difficulty of recruiting welders. Compared with indoor welding tasks, outdoor construction welding faces more prominent human resource challenges due t...[Details]
Siemens spent a lot of money to acquire many industrial software companies such as UGS, Innotec, LMS, CD-Adapco, Camstar, Mentor, etc. As the acquisition progressed, Siemens became the second largest...[Details]
1. How to write assembly language We all know that C can be written in C and then compiled. What about assembly language? Assembly language is written in assembly language and then written as .s file...[Details]
1. Introduction
The touch screen is a new type of programmable control terminal and a new generation of high-tech human-machine interface products. It is suitable for on-site control, with...[Details]
Jiwei.com has published three articles about American Dahl Technology, hoping that the country will pay attention to this semiconductor industry merger case that seems to have nothing to do with the ...[Details]
This year's iPhone XS and iPhone XS Max have added IP68 waterproof and dustproof functions, which means that the phone can stay in 1 meter of water for up to 30 minutes. However, some domestic users ...[Details]
1. Create a new DEMO folder 2. Click New File in KeilC51 3. Name the project and save it in the DEMO folder 4. Select the chip device (we choose AT89C52 chip) 5. Add startup file (STARTUP.A51...[Details]
The "Inverter Digital Technology Transformation Forum" was held in Beijing on December 6-7, 2017. The forum was hosted by the China Photovoltaic Industry Association and organized by Jianheng Certi...[Details]
1 Introduction
Fuel cell vehicles are a type of electric vehicle. The electricity generated by the fuel cell is used to power the motor through the inverter, controller and other device...[Details]
In the lithography machine market, ASML of the Netherlands has been the only dominant company in the past decade, and is the only company that offers EUV lithography machines. Even at a price of 1 bi...[Details]
Preface
This chapter uses the synovial film observer SMO to perform sensorless control of the permanent magnet synchronous motor. First, the principle of the state observer is introduced. Then...[Details]
Target This experiment investigates how to use the ΔVBE concept to produce a stable (less sensitive to changes in input voltage levels) output current. Use feedback to build a circuit that produces...[Details]
1. Basic knowledge of serial communication In actual industrial production or life, the computer's CPU needs to communicate and exchange data with external devices. All of this information exchange...[Details]
Use rpm -qa | grep tftp to check whether the tftp server is installed
If not. tftp: yum install tftp* (yum install xinetd tftp tftp-server)
Tftp configuration file is in vi /etc/xinetd.d/...[Details]
Wireless Connectivity
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