You can fix the graph to a set range by also printing the analog sensor’s minimum and maximum values. Notice that the graph auto-zooms to adjust to the current sensor range. Open the Serial Plotter> and you should see the sensor’s value 10bit being plotted as a graph. Open the Serial Monitor> and you should see the sensor’s value 10bit being printed. Internal voltage divider using “pull-up” resistor inside Arduino: Or you can use the following line of code to turn on the internal pull-up resistors inside the Arduino’s ATmega328 chip: You will need to build a voltage divider in order to connect your sensor to the Arduino.Įxternal voltage divider connected to Arduino: This example contains the code you need to read an analog sensor value and send it over the Serial port. Graph Multiple Analog Sensor Values in Processing Graph Single Analog Sensor Value in Processing
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May 2023
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