Development of a Microcontroller-Based Data Logger for Consolidation Testing
DOI: 10.14416/j.ind.tech.2026.04.008
Keywords:
Microcontroller, Consolidation, Reconstituted clayAbstract
This study aims to develop a data logger for consolidation testing of clay soil in the laboratory. During the test, an industrial-grade displacement transducer was employed to measure the settlement of the soil sample. Analog signals from sensors were amplified and converted into digital signals using a low-cost conditioning module. Microcontroller-Based System programmed in C++ were developed to indicate and acquire the testing data. The sensor was calibrated with reference dial gauge before use. The one-dimensional consolidation testing by incremental loading was carried out on reconstituted clay using both dial gauge and the developed sensor. The settlement of clay measured during each test was compared. The unique consolidation properties of clay were used to validate the result. The results showed that the data logger developed in this study provides reliable and useful data for analyzing the consolidation characteristic of soil.
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