Sciencemadness. Forum for Electronics. GADGETS. Equipping Arduino with a powerful Web server thanks to the Wi-Fi Shield. We’ll show you today how to use the WiFi shield and its libraries to turn Arduino into a Web Server; in addition, we are going to use the I/O Expander shield to provide more input and outputs to the platform.
We will describe how to handle the specific library to use the WiFi shield as a WEB client for a public website that will collect data coming from sensors. The Arduino-based WEB server can be accessed using a normal browser, displaying sensors values or activating outputs. In the examples provided with the library, there is already a code sketch that shows how to create a WEB server. The shortcoming of this example, however, is that the functions used only allow you to build and load the entire web page, including the values to be shown. If you need to check the updated values, you are forced to refresh the page manually.
This basically means that part of the graphic rendering is performed by the browser. I/O Expander WEB Server Let’s analyze now the Arduino functions. From the store. Updating firmware on USBASP bought from eBay « Roger Clark. I bought a cheap USBASP clone Atmel programmer from eBay a few weeks ago, to use with the Arduino IDE.
(see images below) The board worked ok, but kept giving errors avrdude: warning: cannot set sck period. please check for usbasp firmware update and I was unable to program an ATTiny85 on a breadboard when running at 3.3v (it worked fine at 5V), so I decided to bite the bullet and attempt to update the firmware on the USBASP using one of my Arduino boards as the programmer. There appears to be a lot of misleading and confusing information on the web about how to do this, so I thought I’d document what worked for me. How to use Arduino Uno upgrade USBasp firmware - NexusCyber Electronics. Upgrade USBasp firmware by microcontroller 1.
Required ItemsItems required for the firmware upgradea. USBasp Programmerb. Computer with USB port and AVRdude software installedc. Latest Firmware. Avrdude –C .. Build your own Google TV Using RaspberryPi, NodeJS and Socket.io. Hardware Components: The RaspberryPi (Tested on Raspberry Pi model I-B, I-B+ and II-B)A USB WiFi dongle or Ethernet cable (Tested on Edimax WiFi Dongle)SD/MicroSD card (8 GB+) (check out NOOBS) Software Stack: Raspbian – a fork of Debian designed for the Raspberry Pi Node.js Socket.io – Web-sockets moduleExpress – Web-framework moduleOmxcontrol – OMX-player controller moduleChromium BrowserOMX-playerYoutube-dl – Youtube video downloaderQuo.js – Cross-platform swipe gestures libraryHTML5, CSS3 transitions, Javascript, and Moustache as a template engineYoutube API End-result: Outline Installing software and packages.Basic shellcodeServer-side scripting: Node.js, Express.js, and Socket.ioClient-side scripting: Dashboard and remote mobile-app 1.
Installing Raspbian and Node.js Follow this tutorial to install Raspbian and Node.js on your Raspberry Pi Installing Chromium browser and Youtube-dl Build from source or use apt-get sudo apt-get install chromium-browser Install and update Youtube-dl script. Le bocal (FabLab Chemillé-Melay) Cannot set sck period. - EmbDev.net. Smart home with arduino. Arduino Hacks. Is this the cheapest way of adding WiFi to Arduino? 2xod rose a question about efforts put to Arduino have a WiFi connectivity.
A good example is I Arduion Yun. Is it fair that WiFi part of it have order of magnitude more processing power than Arduino micro itself. Of course powerful Wifi module gives flexibility and easy user experience. Everything works out of box. But speaking of simplicity, it is logical to expect WiFi part to be simple, cheap. Most of these modules are simple devices that communicate via serial interface. Read. RFID123 Arduino Compatible RFID Reader And Decoder Set.