control system by mobile phone and backup by PC and touch screen

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asmaa rady

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Hello;

i need to help.
my project is control robot by using mobile and touch screen and PC
i finished from control by PC and mobile. now i need to help to complete the touch screen part.

actually i need enough information about UART and this advantage& disadvantage
the deference between the UART and SPI " serial Perfial Interface"
and the disadvantage of SPI

thank you
 

a UART is the serial interface device used in computer system, see
Serial and UART Tutorial

also have a look at
https://ww1.microchip.com/downloads/en/devicedoc/usart.pdf

SPI is a protocol used for communication between a microcontroller and devices such as EEPROMs, RTCs, FRAMs, etc - have a look at
https://ww1.microchip.com/downloads/en/devicedoc/spi.pdf

there is another protocol call I2C which is also used between a microcontroller and devices, see
https://ww1.microchip.com/downloads/en/devicedoc/i2c.pdf
 

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