How to design Cathode Ray Oscilloscope using Arduino? Code of just 9 lines!

A cathode ray oscilloscope (CRO), also known as an oscilloscope or scope, is a type of electronic test instrument used to visualize and analyze electrical signals in the time domain. It is an essential tool for engineers, scientists, and technicians working with electronics, telecommunications, and various fields of science and engineering.

We can easily construct Cathode Ray Oscilloscope using Arduino using the following code of just 9 lines and a simple circuit.

 void setup()
 {
  Serial.begin(115200);
 }
 void loop()
 {
  int value = analogRead(A0);
  Serial.println(value);
 }

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