الآراء
9:22
How to Measure Light for Plants using your Phone
4:09
How To Determine Grow Light Distance Using Your Phone!
5:36
Save Money on Light Meters: Photone App vs. Apogee MQ-500 Light Meter - Spider Farmer SF2000 Testing
6:48
Par APP test and comparison | measure PPFD with a phone App accurately
4:04
Calculate PAR With A Cheap LUX Meter Easily | LUX vs PAR Meter Part 2
5:00
PAR meter apps for smart phones | IOS and Android PAR meter apps compared
4:23
Light: Measuring PPFD with Photone app.
12:12
Smartphone vs. Real Meters for Sound and Light Measurement?
