Vol. 3 No. 1 (2026): Research on Instrumentation

Articles

• An IoT-Enabled Tomato Sorting System with Dual Opposing Ultrasonic Sensors and Multispectral Color Detection for Five-Class

  Nurahmadani, Asrizal, Fatni Mufit

  1-12

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• A Smart Health Device to Measure Stress Levels Based on the Internet of Things Using the K-Nearest Neighbor Algorithm

  Tiara Ayunda, Asrizal, Leni Aziyus Fitri

  13-25

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• Design and Implementation of a Hybrid Voice- and IoT-Based Smart Home Control System Using Local Speech Processing to Reduce Cloud Dependency

  Sukma Maksum, Yulkifli, Mona Berlian Sari

  26-36

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• ESP32 Based Battery Management System with Passive Balancing and Smartphone Monitoring

  Raisa Analista

  37-51

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• Analysis of the Accuracy and Precision of Load Cell Sensors in IoT-Based Water Mass Measurement English

  Vina Rahma Yeni

  52-62

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