This is Arduino Tutorial where various displays are used (Matrix, Number, Bar Graph) . You’ll find schematics in video. Codes are also provided.
Download # Arduino Code for Matrix Display (*.ino file)
Download # Arduino Code for Number Display (*.ino file)
Download # Arduino Code for BarGraph Display (*.ino file)
Upload Arduino code directly to your Microcontroller from website
If you want to integrate Arduino IDE into your website (as above) sign up here: codebender