
Design and Construction of an Infrared Activated Entrance and Exit Counting Device
Author(s) -
A. S. Adekola,
Adeseye Muyiwa Arogunjo,
K. D. Adedayo,
S. B. Eniafe
Publication year - 2003
Language(s) - English
Resource type - Journals
ISSN - 1596-0862
DOI - 10.4314/njpap.v2i1.21440
Subject(s) - infrared , electronic circuit , transmitter , value (mathematics) , computer science , electrical engineering , engineering , optics , physics , telecommunications , mathematics , statistics , channel (broadcasting)