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PC CONTROLLED BOT

PC CONTROLLED BOT. D. HARISH KUMAR CE12B1005 N. ABHINAND SAI CS12B1027 G.NITiSH EE12B1008. Why this project?. 1 ) It is a wired bot which is controlled by pc through a micro controller connected to the motor 2) We can use them for bomb defusing purpose

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PC CONTROLLED BOT

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  1. PC CONTROLLED BOT D. HARISH KUMAR CE12B1005 N. ABHINAND SAI CS12B1027 G.NITiSH EE12B1008

  2. Why this project? 1) It is a wired bot which is controlled by pc through a micro controller connected to the motor 2) We can use them for bomb defusing purpose 3)We can use them as fire extinguishers when dangerous explosives are present in a room like chemistry lab 4)It can be used as a self controlling wheel chair for the physically retarded persons

  3. MICROCONTROLLER 1)Amicrocontrolleris a small computer on a single integrated circuit containing a processor core, memory, and programmableinput/outputperipherals 2)Microcontrollers are used in automatically controlled products and services. 3)CPU, RAM, ROM, I/O and timer are all on a single chip. 4)For applications in which cost, power and space are critical.

  4. Atmega8:Pin Description • 28 Pin DIP Package • 23 pins are used for the 3 ports. • 6 channel 10 bit resolution ADC • Inbuilt I2C, SPI, UART features • Connections for clock crystal. • 8K Bytes of ISP Flash • 512 Bytes EEPROM, 1K Bytes SRAM

  5. PARALLEL AND SERIAL COMMUNICATION • Data can be transmitted from a sender and a receiver in two main ways: serial and parallel • Serial communication is the method of transmitting one bit at a time through the medium • Parallel communication is the method of transferring blocks,eg:bytes,of data at the same time • By this we can know that parallel communication is faster than serial communication • However the use of parallel communication is not feasible for long distances for economic and practical reasons

  6. UART COMMUNICATION PROTOCOL • A universal asynchronous transmitter/receiver abbreviated uart is a piece of computer hardware that translates data between parallel and serial forms • A UART is usually an individual (or part of an) integrated circuit used for serial communications over a computer or peripheral device serial port • The Universal Asynchronous Receiver/Transmitter (UART) takes bytes of data and transmits the individual bits in a sequential fashion.  At the destination, a second UART re-assembles the bits into complete bytes. Each UART contains a shift register, which is the fundamental method of conversion between serial and parallel forms

  7. ASCII CODES • The America Standard Code for Information Interchangeis a character-encoding scheme originally based on the english alphabet . ASCII codes represent text in computers,communication equipment, and other devices that use text. Most modern character-encoding schemes are based on ASCII, though they support many additional characters.

  8. How it works? • When we press a key in on the key board it transmits the corresponding ASCII value to the microcontroller through USART communication. • In microcontroller, it checks that ASCII value and according to that it takes corresponding action in we specified in the program.

  9. ADVANCEMENTS • We can make advancements in humanoid robots which can be controlled by a doctor that can do surgery. it helps a lot in emergency situations • We can make a bot that can be controlled from earth via satellite communication .This helps in exploring the other planets

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