A Simple LDR Tester. By muneeb4889 in CircuitsElectronics37721Save PDFFavoriteIntroduction: A Simple LDR Tester.By muneeb4889muneeb aslamFollow More by the author: About: i am an electronics engineer and a short story writter for my strories visit :-muneebzargar.blogspot.in More About muneeb4889 »In this session you will learn how to test your LDR i.e whether your ldr works or not.