SISTEM KONTROL DAN PENJADWALAN POMPA AIR REAL-TIME MELALUI APLIKASI BLYNK

Authors

  • Sri Kusumastuti Politeknik Negeri Semarang
  • Muhamad Cahyo Ardi Prabowo
  • Fajar Lutfi Saldian
  • Krizadiaz Yanuar Dafa
  • Oktavia Putri Widyastuti
  • Sindung Hadwi Widi Sasono

DOI:

https://doi.org/10.32497/orbith.v21i2.6847

Keywords:

Blynk, ESP32, IoT, JSN-SR04T Ultrasonic Sensor, DS3231 RTC Sensor

Abstract

Irrigation is the effort to provide and regulate water to support agriculture. In practice, many irrigation systems use water pumps that are still operated manually. This approach is less effective due to the considerable distance between the pump and the water reservoir, as well as challenging terrain. Therefore, a system was designed to help users monitor the water tank status (full or empty) and control the pump’s on–off operation automatically by utilizing Internet of Things (IoT) technology. This study employed the waterfall method and utilized the JSN-SR04T ultrasonic sensor and the DS3231 RTC sensor to develop a control device for submersible pump operation and scheduling. The system is controlled by an ESP32 microcontroller, with data displayed through the Blynk application. Test results show that the system operates effectively. The JSN-SR04T ultrasonic sensor demonstrated a low error rate of 0.009%. MQTT communication testing between two ESP devices over a 400-meter distance revealed that data transmission performance is influenced by network quality. Meanwhile, the RTC module testing indicated a negligible delay. This system is expected to enable users to monitor and control water pumps more efficiently, thereby simplifying operations and conserving resources.

 Keywords: Blynk, ESP32,IoT ,JSN-SR04T Ultrasonic Sensor,DS3231 RTC Sensor

References

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Published

2025-07-31

Issue

Vol. 21 No. 2 (2025): Juli 2025

Section

Engineering Articles

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