Abstract
Notice board is primary thing in any institution or organization or public utility places like bus stops, railway stations or parks. But sending various notices day to day is a tedious process. This paper deals with advanced notice board. It presents an SMS based notice board incorporating microcontroller PIC18F2550. A GSM module SIM 800L is interfaced to the ports of the microcontroller PIC18F2550. When the user sends a SMS via a registered number from his mobile phone, it is received by a SIM loaded GSM modem at the receiver unit. The GSM modem is interface to the control unit to receive messages from the user. The message received is sent to the microcontroller that further displays it on electronic notice board which is equipped with a display unit interfaced to a microcontroller. It is further displayed on an electronic notice board which equipped with 7 X 5 (5 Segment Display) light emitting diodes display interfaced to the dot matrix controller which converts instructions from a processor into signals which turns on or off lights in the matrix so that the required display is produced. As this paper aims to replace the passing of information with wooden notice board and the likes, the problem of not properly disseminating message is greatly reduced.
Keywords
Notice board, Electronic, GSM, Wireless, Bluetooth, Microcontroller, LED.
Citations
IRE Journals:
OLUWASEYI OLAWALE BELLO , EMMANUEL ABIODUN AJAYI – SMART
"GSM Based Wireless Electronic Notice Board Using PIC18F2550 Microcontroller" Iconic Research And Engineering Journals Volume 1 Issue 12 2018 Page 12-17
IEEE:
OLUWASEYI OLAWALE BELLO , EMMANUEL ABIODUN AJAYI – SMART
"GSM Based Wireless Electronic Notice Board Using PIC18F2550 Microcontroller" Iconic Research And Engineering Journals, 1(12)
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