hello guys ,
i'm working on my final year project and i have problem ,my project is using lm35 with mc 8051 and the output should to sd card memory and serial port and lcd
but the problem how to access the data from the sd card into the serial port ,
please help if there any idea .
thank you .
To interface sd card with microcontroller 1st thing is to choose a correct microcontroller another thing is you must know the uses of serial communication. Directly you cant interface sd card to mc via serial communication for interfacing sd card you should go for SPI communication and access through it and send data via serial port. Mostly 8051 does not available with SPI
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To interface sd card with microcontroller 1st thing is to choose a correct microcontroller another thing is you must know the uses of serial communication. Directly you cant interface sd card to mc via serial communication for interfacing sd card you should go for SPI communication and access through it and send data via serial port. Mostly 8051 does not available with SPI
You didn't google far then... you will have to bit-bang the SPI (that is, manually toggle and read the i/o pins for the SPI interface). It's not hard. Read these: