Reprinted from Http://www.searchsoa.com.cn/showcontent_79099.htmOver the years, node. JS has evolved into a mature development platform that has attracted many developers. There are many large, high-traffic sites that are developed using node. js, like PayPal, which developers can also use to develop some fast-moving web frameworks.In addition to Web applications, Nodejs is also used in many ways, and this article takes a count of the ten amazing projects that Nodejs has developed in other areas
In the previous article, "Wintel IoT platform-windows IoT starter Guide", we explained the setup of the Windows on device hardware preparation and software development environment, as well as a presentation of the Hello Blinky project. At the beginning of this article, we enter the project practice section.Because Windows on device is designed with Galileo as the hardware platform, its peripheral interface is also compatible with the Arduino standard.
First, the Arduino IDE downloadTo develop the Arduino 101/genuino 101, you need to install and configure the appropriate development environment first. Http://www.arduino.cn/thread-5838-1-1.htmlPs:arduino IDE 1.6.7 or newer version is available for Arduino 101/genuino 101 developmentSecond, add 101 support 1, add in the IDEChoose to install it.2, using the domest
Widgeduino– recently unveiled on Kickstarter – is an intelligent and easy-to-configure form-based on the Microsoft Windows platform and microcontroller system communication applications based on the atmel-based Arduino board.In essence, Widgeduino communicates with the microcontroller system via a serial port protocol or TCP/IP.This includes, among other things, keyboards, LED lights, pressure gauges, knobs, sliders, thermometers, containers and butto
computer that runs Linux (the Ubuntu-based release version of Yocto) at 500 MHz based on 22 nm Silvermont dual-core Intel Atom CPU ). To program Edison, we need an interface board. You can select an Arduino-compatible interface board (including an SD card) and an Intel interface board.
Installation and configuration are intuitive. I used the guide for enabling the Yocto Project on the Intel Edison Board to install and configure the board. First, we n
interface board. You can select an Arduino-compatible interface board (including an SD card) and an Intel interface board.
Installation and configuration are intuitive. I used the guide for enabling the Yocto project on the Intel Edison board to install and configure the board. First, we need to connect to Edison through the serial port and configure sshd and Wi-Fi. Then we can connect to Edison through SSH.
Because Linux binary files are compatible
About the conflict between the 3D printing software Makerware and Arduion, Makerware is a software that uses the latest 3D printer Makerbot Replicator 2 for 3D model transcoding. After Makerware is started, several conveyord processes will be started. Even after Makerware is disabled, these processes still exist. Www.2cto.com these processes are constantly listening to serial USB devices, so that the printer can be detected when connected to the PC. Www.2cto.com, but the
: nemqTitle: pluralsight-Oracle Database 12c: Installation and upgradeLink: http://pan.baidu.com/s/1dDiWhjjPassword: xvnjTitle: tree house-Build a responsive websiteLink: http://pan.baidu.com/s/1dDmtUtrPassword: 7jxcTitle: pluralsight-spring with JPA and HibernateLink: http://pan.baidu.com/s/1jGqTzwEPassword: jnwvTitle: pluralsight-incident managementLink: http://pan.baidu.com/s/1sjNjnshPassword: 1e45Title: O 'Reilly-getting started with Arduino and I
measurement is high and complex; another relatively simple method is based on the maximum oxygen uptake and the human pulse number of the mathematical relationship , using the pulse number to deduce the maximum oxygen uptake of the human body.Other potential applications of BH1790GLC include a pulse sensor placed underneath the game console to monitor the user's heartbeat while playing the game console, giving some kind of feedback signal in the game, which can also be achieved with a pulse sen
Under Ubuntu research Arduino discovered, originally can not use Arduino IDE development, Linux also has GCC-AVR Direct development AVR series Controller.So, can't wait to see the relevant information, summarize the steps to install the GCC-AVR.PS: Sigh, now that Ubuntu is doing is too easy to use, before very much to worry about things, now is very simple.1, update the system, and install the development p
serial input clock sck the rising edge one time, until the eight-bit data input is completed, the output clock rising edge is valid once, at this time, the input data is sent to the output side. Into the clock sck the rising edge is valid once, until the eight-bit data input is completed, the output clock rising edge is valid once, at this time, the input data is sent to the output side.
DS: Serial data input, connected to a digital I/O pin of the Arduino
Basic principles and practice of Linux C programming (2018-06-16-19:12:15)Basic principles and practice of Linux C language programmingEfficient learning with Purpose: what to do and how to use itRe-knowledge of C language
C language is a universal, process-oriented programming language, which is widely used in the development of system and application software.
is a way of communication between humans and computers.
ANSI C: Is the standard of C language, in order to avoid the d
, Advantages:Has a good inhibitory effect on the periodic interference;Suitable for occasions with high fluctuation frequency.D, Disadvantages:Phase lag, low sensitivity;The degree of lag depends on the size of a value;Can not eliminate the filtering frequency is higher than the sampling frequency 1/2 interference signal.8, weighted recursive average filtering method[Pre lang= "Arduino" line= "1"]/*A, Name: Weighted recursive average filtering methodB
translators!
Ubuntu installation command:
Sudo add-apt-repository ppa: ubuntu-desktop/ubuntu-make
Sudo apt-get update
Sudo apt-get install ubuntu-make
Unmount umake command:
Sudo apt-get remove ubuntu-make
Instructions for use:
Learn about Ubuntu and run umake-help:
To install a unified 3D environment:
Sudo umake games unity3d
To install the Arduino IDE, run the following command:
Sudo umake ide arduino
I
After a reincarnation, hardware development and hardware entrepreneurship were pushed to the front-end of history.
For low-end and elementary hardware enthusiasts, open-source hardware with the core of Arduino and 81 single-chip development boards is becoming increasingly popular. More and more people are involved, and related hardware and peripheral modules are getting cheaper. In addition, with the creation of various maker spaces, a hardware module
is more popular with startups. According to data analysis, Mozilla RUST and Facebook's HACK in the second half of 2017 will also be able to squeeze into the forefront of the rankings. 2017 rankings are expected to rise in the language:r--Today, the world is growing in demand for statistical data and data analysis, and if you find that your work is increasingly linked to r, it is not impossible for R to be the most sought-after language of the 2017. once matla--becomes the core language of mathe
simplifies the HTTP protocol and provides only four rest Methods: Put, get, post, and delete, unlike HTTP, coap simplifies the HTTP protocol. As for why it is rest, let's take a look at the articles on Iot system design on this page.
The advantage of using UDP for coap is that HTTP is not a feasible option for the network of IP addresses with limited resources. It occupies too many resources and too much bandwidth. For embedded devices such as IOT, this is a top priority.
Coap uses a binary h
the selected device, modify the configuration file, and then open the minicomcom() {ports=`ls /dev/ttyUSB*`select port in $ports;do if [ $port ]; then echo "You select the choice '$port'" port=${port##*/} sed -i "s/\(pu port .*\/dev\/\).*/\1$port/" /etc/minicom/minirc.ttyUSBx exec minicom ttyUSBx [emailprotected] break else echo "Invaild selection" fidone}Introduce this function in ~/.BASHRCecho 'source ~/.myminicom.sh' >> ~/.bashrcsource ~/.ba
Original link: https://www.arduino.cc/en/Tutorial/Knock
Percussion detectionThis tutorial shows you how to use a piezoelectric sensor to detect vibrations, such as knocking, tables, or other solid surfaces. A piezoelectric sensor is an electronic device that generates voltage when it is physically deformed by vibration, sonic, or mechanical strain, and similarly, when you apply a voltage to a piezoelectric transducer, it vibrates and produces tones. Piezo components can be used to play tone
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