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Arduino Code

Arduino web server showing DHT11 data

In this example we will use a DHT11 sensor and display the humidity and temperature on a web page. You can use any temperature sensor but the DHT11 is fairly low cost and there are libraries written for it, it comes in modules and even if…

Arduino webserver displaying a bootstrap example

Recently I was interested to see if you could create a web page that could be stored on an SD card and using an Arduino ethernet shield display this via an IP address Initially I downloaded a free template and copied this on to my SD card…

Arduino SD Card Web Server example

The ethernet shield has an SD card fitted to it, this means that rather than having to write sketches full of html code you can create html files, put them on the sd card file system then serve them via your ARduino sketch. This is what we…

Arduino ethernet shield read switch example

In the previous examples using the Ethernet Shield for the Arduino we controlled an led and an rgb led using pins as outputs but you can also easily monitor the state of an input, in this case we will use a switch Basically it will be a web…