[tps_title]A Really Simple Arduino Oscilloscope Tutorial[/tps_title]
Project by Øyvind Nydal Dahl.
This Arduino oscilloscope is perfect if you need an oscilloscope right now, but all you have is an Arduino. First of all you need some code to read the analog value from the analog input pin A0. You can do this easily by using the analogRead() function.
Then you need to send this value over to your computer using the serial port. There are plenty of ways to do this. In the following code, the value is sent as two bytes with one 0xff byte in between. This is really all it takes on the Arduino side to make an Arduino oscilloscope. But to display the values, you need some code on you computer too.
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