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Stream/Area:
-
Subject:
-
Paper ID:
IJSREM67832
Volume:
10 |
10 |
Oct 2026
Pages:
1-3
Publication Frequency:
Monthly (12 issues per year)
License:International Journal of Scientific Research in Engineering and Management follows the Creative Commons Attribution 4.0 (CC BY 4.0) License, allowing free use and distribution with proper attribution.
Mechanical
Sinhgad
Mechanical
Sinhgad
This paper presents the design of an Arduino-based automatic hot-water machine that coordinates liquid-level monitoring, water filling, heating, and user indication. The proposed controller combines an ultrasonic level sensor, a digital temperature sensor, relay-isolated actuators, an inlet pump or motorized valve, an electric heater, and a liquid-crystal display. A state-based control method gives level safety priority: heating is permitted only when a valid minimum water level is available, filling stops at the upper threshold, and the heater cycles around the selected temperature using hysteresis. The architecture addresses common problems in manually operated tanks, including overflow, dry heating, delayed response, water wastage, and dependence on continuous supervision. Functional analysis shows how sensor validation, interlocks, timeout logic, and fault shutdown can provide predictable operation, while a structured test plan is defined for later prototype verification. The design is intended as a low-cost platform for domestic and small-scale process applications where automatic level and temperature management are required.
KEYWORDS
An Arduino-based controller can integrate water filling, level monitoring, temperature regulation, indication, and fault handling in a compact hot-water machine. The proposed design gives level safety priority, separates sensing from mains-power switching, and uses hysteresis and state-based logic for stable operation. Its main contribution is a clear control architecture and verification plan derived from the project requirements. The next engineering step is to build a protected prototype, calibrate both sensors, execute the defined fault tests, and report measured accuracy, heat-up time, energy consumption, and repeatability before considering practical deployment.
[1] Arduino, 'Arduino UNO R3 Datasheet,' product A000066, revised 28 October 2024. Available: https://docs.arduino.cc/resources/datasheets/A000066-datasheet.pdf [2] Elec Freaks, 'Ultrasonic Ranging Module HC-SR04 Product User's Manual.' Available: https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdf [3] Analog Devices, 'DS18B20 Programmable Resolution 1-Wire Digital Thermometer,' Rev. 6, 2019. Available: https://www.analog.com/media/en/technical-documentation/data-sheets/DS18B20.pdf [4] Arduino, 'LiquidCrystal Library for Arduino.' Available: https://github.com/arduino-libraries/LiquidCrystal [5] Microchip Technology, 'ATmega328P 8-bit AVR Microcontroller Datasheet.' Available: https://www.microchip.com/en-us/product/atmega328p
Publication Date
10/12/2026
Peer Review Type
Double-Blind Peer Review
Review Rounds: 2
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Conflict of Interest
The authors declare no conflict of interest related to this research work.
Funding Information
No funding information available for this research.
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