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Description

Hands-on laboratory experiences are essential for developing conceptual understanding in engineering education. Yet, traditional laboratory infrastructure in fluid mechanics and engineering mechanics is often expensive, space-intensive, and difficult to scale. These constraints can limit student access and reduce opportunities for meaningful experimentation. This poster presents a set of low-cost, student-constructed laboratory modules that leverage Arduino-based instrumentation to deliver robust, scalable, and engaging experiential learning in core undergraduate engineering courses. Two complementary laboratory experiences were developed and implemented. In the fluid mechanics module, students design and construct a closed-loop flow apparatus using an Arduino microcontroller, pressure sensors, a flow sensor, tubing, and control valves. Students experimentally determine the Darcy friction factor and compare measured results to established theoretical correlations. The integration of diverse modeling frameworks enables students to quantify the effects of sensor resolution and measurement uncertainty, facilitating a deeper synthesis of theoretical flow principles and real-world system losses. A second laboratory module focuses on engineering mechanics and static equilibrium; key concepts covered in an undergraduate Mechanics I course. Students construct a load measurement platform utilizing two load cells, which are integrated with an Arduino-based data acquisition system. Through equilibrium analysis, students determine both the magnitude and location of an applied load. This experiment reinforces core statics principles while introducing students to sensor calibration, signal conditioning, data acquisition, and experimental validation. Across both modules, students actively design, assemble, calibrate, and validate their own experimental systems. This approach shifts the laboratory experience from procedural execution to authentic engineering practice, promoting a deeper conceptual understanding, increased engagement, and a stronger sense of ownership over the learning process. The modular design, low component cost, and adaptable structure of these laboratories make them readily transferable to other institutions and courses. The results demonstrate that student-built, Arduino-based laboratories can maintain meaningful experimental depth while significantly expanding access to high-impact hands-on learning in engineering education.

Publication Date

4-30-2026

Keywords

Experiential Learning, Low-Cost Instrumentation, Arduino-Based DAQ

Student-Built Laboratories in Fluids and Mechanics Education

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