Silva W de B, Ferreira AF. PROTOTYPING OF A PRECISION DIGITAL RULER USING THE ARDUINO FOR THE GEOMETRIC INSPECTION OF THE PERLITHIC RAILWAY POST WELDING. REASE [Internet]. 2023 Mar. 31 [cited 2026 Oct. 8];9(3):711-27. Available from: https://periodicorease.pro.br/rease/article/view/8711