Skip to content

Update 04.Analog/Calibrate.ino #13

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 26, 2020
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 5 additions & 3 deletions examples/03.Analog/Calibration/Calibration.ino
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@
by David A Mellis
modified 30 Aug 2011
by Tom Igoe
modified 07 Apr 2017
by Zachary J. Fields

This example code is in the public domain.

Expand Down Expand Up @@ -62,12 +64,12 @@ void loop() {
// read the sensor:
sensorValue = analogRead(sensorPin);

// in case the sensor value is outside the range seen during calibration
sensorValue = constrain(sensorValue, sensorMin, sensorMax);

// apply the calibration to the sensor reading
sensorValue = map(sensorValue, sensorMin, sensorMax, 0, 255);

// in case the sensor value is outside the range seen during calibration
sensorValue = constrain(sensorValue, 0, 255);

// fade the LED using the calibrated value:
analogWrite(ledPin, sensorValue);
}