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hi
do we need to blank the lcd screen everytime we want to display new data or does it get overwritten on the previous location.(since only a part of my lcd message needs to be updated regularly).
clock interfacing with 8051
i have implemented the rtc
but each time the power is on the time is being set to the initial time,probably i have to write a separate program for setting the time and then write another program for the rest of the code.
pcf 8583 interfacing 8051
i have another doubt
im connecting the rtc(external mem) to Port 0, so do i still need to connect the pull up resistores(10k) or i need not?
plz help
8051 rtc interface
thanx everyone i'm studying about these.
will come back for doubts.
Added after 12 minutes:
where do i connect EA to.
until now i connected it to Vcc.
but if i have to interface it to RTC (external memory) do i have to connect it to ground.
rtc interfacing with 8051
hi,
i'm doing a project to display the temperature using lm35,adc0804 on an lcd.
now i also want to display the time on the second line of lcd using ds12887(or any other rtc),i would like to know how to interface it since it is considered as external memory. rest of my...
lcd_send_command( hd44780
hi everyone,
i tried interfacing at89c51 with 20X2 lcd display(ODM-20216S).
i have connected port1 to LCD and P3.0 to RS, P3.1 to R/W, P3.2 to E.
but the LCD is not showing any output.
this is the code:
;communicating with lcd
;checking busy flag before sending...
temperature sensor project
hi everyone im doing a project on atmel microcontroller.
the AIM of the project is to sense the ambient temperature using lm35,digitize the data using adc0804 and then display the temperature on an LCD and when the temperature exceeds a certain threshold display the...
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