What you describe is more like a watchdog circuit.If i am not wrong.... i think ISR are mainly used when the processor is not replying to the entries we make
i dont off or low my lcd signals using microcontroller.
If i am not wrong....
Yes o agree with you.... but i want to change my hardware rather than changing my code. or adding something to my code.
i want to know ia it any possible way to control the lcd on/off function using any hardware or any circuit
my 89s52 have nothing to do with on/off function of LCd. i dont off or low my lcd signals using microcontroller. i have just added a simple on/off switch to lcd pin 2 and 15.
... but i want to change my hardware rather than changing my code. or adding something to my code....
yes, with an lcd module that utilizes an other mC attached, and do the init for you....i want to know ia it any possible way to control the lcd on/off function using any hardware or any circuit...
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