THE DEVELOPMENT OF GSM BASED SPEED REGULATOR FOR DC MOTOR Head office: 2nd floor, Solitaire plaza, beside Image Hospital, Ameerpet, Hyderabad www.kresttechnology.com, E-Mail: krestinfo@gmail.com , Ph: 9885112363 / 040 44433434 1 AIM: The main of the project is to control the DC motor bi directionally using GSM technology. PURPOSE: The purpose of the project is to control the speed of a DC motor bi directionally with different speeds using GSM technology. BLOCK DIAGRAM: LCD POWER SUPPLY MICRO CONTROLLER H- BRIDGE GSM MODULE DC MOTOR POWER SUPPLY: Step Down Bridge Filter Transformer Rectifier Circuit Regulator section Head office: 2nd floor, Solitaire plaza, beside Image Hospital, Ameerpet, Hyderabad www.kresttechnology.com, E-Mail: krestinfo@gmail.com , Ph: 9885112363 / 040 44433434 2 DESCRIPTION: In this project we are operating a DC motor, which moves bi directionally with different speeds and is controlled by GSM technology. Here in this project we have a GSM modem which sends message to the DC motor connected through H-Bridge. DC motor is programmed to move in forward and reverse directions. We can select the direction of the motor by sending the message from GSM. In each direction the motor is moved with different speeds like low, medium and high. According to the message given by the GSM the motor moves with that particular speed. Thus the DC motor is controlled Bi directionally using GSM module. TECHNOLOGY: GSM: GSM (Global System for Mobile communications) is the technology that underpins most of the world's mobile phone networks. The GSM platform is a hugely successful wireless technology and an unprecedented story of global achievement and cooperation. GSM has become the world's fastest growing communications technology of all time and the leading global mobile standard, spanning 218 countries. GSM is an open, digital cellular technology used for transmitting mobile voice and data services. GSM operates in the 900MHz and 1.8GHz bands GSM supports data transfer speeds of up to 9.6 kbps, allowing the transmission of basic data services such as SMS. SOFTWARES: 1. Embedded C 2. Keil IDE 3. Uc-Flash HARDWARES: 1. Micro controller 2. Power supply Head office: 2nd floor, Solitaire plaza, beside Image Hospital, Ameerpet, Hyderabad www.kresttechnology.com, E-Mail: krestinfo@gmail.com , Ph: 9885112363 / 040 44433434 3 3. LCD 4. GSM MODULE 5. H-Bridge 6. DC motor RESULT: Hence from this project we implemented a system to control the DC motor bi directionally using GSM technology. Head office: 2nd floor, Solitaire plaza, beside Image Hospital, Ameerpet, Hyderabad www.kresttechnology.com, E-Mail: krestinfo@gmail.com , Ph: 9885112363 / 040 44433434 4