TY  - JOUR
T1  - PC-Based Centralized System for Controlling and Determining Status of Electrical Devices
AU - , Mohammad Rohul Amin 
JO  - Journal of Engineering and Applied Sciences
VL  - 2
IS  - 11
SP  - 1598
EP  - 1606
PY  - 2007
DA  - 2001/08/19
SN  - 1816-949x
DO  - jeasci.2007.1598.1606
UR  - https://makhillpublications.co/view-article.php?doi=jeasci.2007.1598.1606
KW  - Electrical circuit
KW  -interfacing
KW  -parallel port
KW  -IEEE 1284 Standard
KW  -DLL
KW  -VB
KW  -oracle
AB  - At present a world that people prefer automated systems rather than manual systems because of efficient, reliable and timesaving. Since the automated centralized electrical system is very expensive, most of the offices, hotels and industries are still controlling their decentralized electrical systems manually. In case of large organization, these manual decentralized electrical systems are very time consuming for controlling and furthermore the administrator of existing system could not identify the present status (On/Off) of the electrical devices. The proposed system consists of an electronic circuit which interfaces with a computer through the parallel port for timely controlling the electrical devices centrally using the database software. The proposed database  software  records  the  transactions about each and every devices, can estimate the total used time for a specific device. It includes internal memory for PC-free operation; control over 4,000 devices at a time; feed-through outlet won’t block from plugging in other devices; and provides easy trouble-free connection. This PC-based centralized system is very effective for the home, offices, hotels and industries in terms of cost and time for controlling the electrical devices.
ER  -