Open AccessFluidity Measuring Device for the Concrete using Laser Diode Controller via WSN
Author(s) -
Bo Hee Lee
Publication year - 2012
Language(s) - English
Resource type - Conference proceedings
DOI - 10.5220/0003986105700573
Subject(s) - controller (irrigation) , diode , laser , computer science , materials science , optoelectronics , physics , optics , agronomy , biology