Monitoring pH in Hydroponics Using the Blynk Application
Abstract
Indonesia is an agrarian country, with a 40% level of livelihood of the population being farmers. However, the widespread conversion of agricultural land functions into settlements and industry in Indonesia is an additional problem in the agricultural sector. This is the basis for new innovations in agriculture, namely hydroponics. In its use, hydroponics is able to minimize land use but requires a long time to monitor its growth. This study uses a pH sensor to read acidity data in hydroponics with the wick system method which works using a wick as an intermediary to absorb nutrient solutions from the reservoir to the plant roots. In this study using the experimental method with data collection every 30 minutes for 12 hours. The pH sensor generates a voltage value which will be converted to a pH value. The value will be sent to the Blynk application in real-time. The results obtained in this study were that the celery plant had an accuracy value of 98.33% and the tomato plant had an accuracy value of 98.68% while the pakcoi plant had an accuracy value of 98.45%. This research can be said to be successful, this is indicated by the high accuracy value of celery and pakcoi plants and the appearance of data on the Blynk application.
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DOI: https://doi.org/10.21107/jsa.v1i1.7
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Journal of Science in Agrotechnology
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