Arduino tutorials

Read a pot, print to Serial Monitor

The USB connection is used for serial communication between Arduino and computer. The potentiometer pin 2 is connected to Arduino pin A0. analogRead is then used to measure the voltage at the pin. (The potentiometer rating doesn’t matter, but avoid lower resistances than 5k, so you don’t get an uneconomically high current flow.) You will get a value between 0 and 1023 (where 0 equals ground […]

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