Measuring g with an Arduino micro-controller in a simple free fall experiment

TL;DR

This paper demonstrates a straightforward method to measure gravitational acceleration using an Arduino micro-controller in a simple free fall experiment, achieving high accuracy by comparing results with official values.

Contribution

Introduces a simple Arduino-based approach for measuring g in basic physics labs with high precision and low error.

Findings

Measured g with 0.1% relative error

Validated Arduino method against official data

Provided a cost-effective experimental setup

Abstract

A simple way of measuring g in the basic lab with a an Arduino micro-controller is discussed. Experimental results are obtained and compared with values provided by the National Observatory, Rio de Janeiro. Our relative error is 0.1 %.