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2. INTRODUCTION TINY MOBILE CIRCUIT EXPLANATION WORKING APPLICATIONS ADVANTAGES CONCLUSION

3. Mobile computing has changed the very definition of communication by the phenomenally improvised technology As communication is mobilized every where,the mobile revolution has ruled almost every field making the future merely predictable and even possible. The software implements low-power techniques, which extend battery life to more than a year of continued use, using AA cells. This mobile requires a circuit with some added features and is yet to be designed as our future aim would be a MULTI-PURPOSE INTELLIGENT MOBILE.

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6. . During setup, the four messages used as commands and the two messages used as responses are stored in the phone memory, where they can be read back by the controller issuing the appropriate extended-AT command. For every command message, the set-up routine extracts a unique 6-byte "signature" from the last message bytes and stores it in EEPROM.

7. AN EXAMPLE: consider the control of AC in our homes. An SMS is sent by the master mobile which is interpreted by the circuit and passed on to the Slave mobile as a command which then controls the operation of AC. This message is first accepted as high input by RS232 interface connected to the mobile, which is then regulated by the Zener diode. This is passed through the transistor at the collector, which acts as a switch and sends it to the slave mobile. The software implements low-power techniques, which extend battery life to more than a year of continued use using AA cells.

8. II. TINY-MOBILE AS A REMOTE CONTROL II. TINY-MOBILE AS A REMOTE CONTROL

9. First switch on the mobile and then connect it to the main system designed using a suitable data cable. This is the “slave phone”, to differentiate it from the “master” phone used to issue commands. First, begin from the slave mobile: Delete all the messages currently in memory. Send to master the message for the input low condition, e.g. "THE INPUT IS LOW" Send to master the message for the input high condition, e.g. "THE INPUT IS HIGH".

10. Master mobile used to issue commands: Send to slave the message for requesting the input status e.g. "WHAT IS THE INPUT STATUS?" Send to slave the message for pulsing the output e.g. "PULSE OUTPUT". Send to slave the message for clearing the output e.g. "SWITCH OUTPUT OFF". Send to slave the message for setting the output e.g. "SWITCH OUTPUT ON“ When all the seven messages are received, press the CONFIGURATION button on the TINY. The LED flashes until setup is complete. When the system is running, the LED flashes once every 20-25 seconds.

11. Tiny Mobile is simple, flexible, portable solution useful for wide range of applications. It is a very optimized design. The code is denser, including power management and adaptive baud generator in just 417 out of 512 words available. The user interface developed is remarkable.

12. Used to make an extended range remote control operations from anywhere in the world. It can monitor the working conditions of the industry. Commercially, a home automation system can be conveniently controlled and monitored from the cell phone. To enhance even further its wide applicability, the circuit is very small, battery operated.

13. Mobile computing has a bright future ahead. Hence mobility opens up new venues for interesting and unique products and services are possible only in a mobile environment. It will also finds applications in areas of defense and aerospace. To design a dream mobile, which serves an intelligent multi-purpose should be our aim, that looks harder to design but not attainable.