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Arafat, Agil Soni, Ari Yuliati, and R. Yovi Manova M. 2023. “Design of a Soil Nutrient Measuring Device for NPK (Nitrogen, Phosphorus, Potassium) Case Study of Cayenne Pepper Based on Arduino Nano V3 ATmega328P”. ITEJ (Information Technology Engineering Journals) 8 (2), 57 - 62. https://doi.org/10.24235/itej.v8i2.120.