Grow Light Meter App measures PAR, Illuminance, and Light Temperature
PAR and PPFD Meter Apps for Android: 2022 Edition | by Dominik Maglia | Medium
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Light lux meter App to PAR meter hack | Android Smartphone PAR meter hack | I have calibrated the Android 'light Lux Meter Free' app by Doggo Apps against the Asensetek Spectroradiometer
Amazon.com : Quantum PAR Meter - High Precision, Grow Light meter, Indoor Plants meter, Good for Growing droseras and All Indoor Plants,Rechargeable : Patio, Lawn & Garden
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Photone - Grow Light Meter on the App Store
Par APP test and comparison | measure PPFD with a phone App accurately - YouTube
Photone - Grow Light Meter by Lightray Innovation GmbH