Bluetooth Based Wireless Notice Board using Arduino

Bluetooth based wireless notice board using Arduino will help us in passing any message almost immediately without any delay just by sending a SMS which is better and more reliable than the old traditional way of passing the message on notice board. This proposed technology can be used in colleges, many public places, to enhance the security system and also make awareness of the emergency situations and avoid many dangers. For this purpose, Android based application programs for Bluetooth and Wi-Fi communication between Android based personal digital assistant devices and remote wireless display board are used Using the developed system, two different applications for displaying messages on a remote digital notice board and wireless person calling has been implemented. It also helps in saving the time and the cost for paper and printing hardware.