Development of Ideal Gas Kit using Pressure and Temperature Sensors via Arduino
Keywords:
Ideal gas, Arduino, Pressure, Temperature sensorsAbstract
This study presents the development of a low-cost experimental kit to investigate the ideal gas law using a K-type MAX6675 thermocouple and MPX5700AP pressure sensor interfaced with an Arduino microcontroller. The kit enables real-time measurements and LCD display of pressure and temperature data, making it suitable for classroom demonstration and inquiry-based learning. Experiments based on Boyle’s law and the combined gas law were conducted, and the data showed a high correlation with theoretical predictions. The calculated error in the gas constant was only 0.08%, and the estimated system volume was 2.03 cc, and also the number of moles of gas was -32.30 × 10moles. Compared with existing commercial kits, the proposed design is more cost-effective, portable, and educationally versatile. The findings support the pedagogical value of using microcontroller-based sensors in physics education.
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