This is a GSM (SMS) controlled notice board project. The SMS message sent by user is displayed on a LCD notice board. Here we use a GSM modem to capture SMS messages sent by user. The user needs to send SMS messages to the the SIM number of SIM card inserted in the GSM modem. The SMS is received by GSM modem and decoded in order to forward message data to the microcontroller. Once message is received it is then sent to the microcontroller which processes this data. On processing the data the microcontroller now grabs out the SMS message body text and then it is displayed on the LCD screen interfaced to the microcontroller. . It uses a microcontroller from 8051 family.
The main objective of the project is to develop a wireless notice board that displays notices when a message is sent from the users mobile. While the user sends the message from the mobile, it is received and retrieved by the GSM modem at the display unit. The desired number is auto saved on the microcontroller over a missed call. It is then sent to the microcontroller that further displays the notice sent from the user on to the electronic notice board which is equipped with a 16X2 LCD display.
Hardware Specifications
- Micro controller unit 8051 family
- MAX232
- Resistors
- Regulator
- GSM module
- LCD (16×2)
- Transformer
- Capacitors
- Diodes
Software Specifications
- Keil µVision IDE
- MC Programming Language: Embedded C
