Uploaded October 2017 | Updated September 2026, 2 weeks ago

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In this video we will use a push button to send a 5V dc signal into the Arduino. Using the digitalRead instruction we will then send the 0 or 5 V dc signal to be read by the Serial Monitor as either a 0 for Low, or a 1 for High.

arduino.cc/en/Reference/DigitalRead

arduino.cc/en/Reference/AnalogRead
arduino.cc/en/Tutorial/ReadAnalogVoltage