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LCD doesn't Initialize in 4-bit mode

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hi, I got doubt that of you connect the lower 4 bits to the ground, how can we use them for some other purpose?
 

sinaku08 said:
hi, I got doubt that of you connect the lower 4 bits to the ground, how can we use them for some other purpose?
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The lower 4 bits are referred to the LCD pins and not to the MCU pins. What purpose do you need those LCD pins to be used for when you are working in 4-bit mode?
 

alexxx said:
The lower 4 bits are referred to the LCD pins and not to the MCU pins. What purpose do you need those LCD pins to be used for when you are working in 4-bit mode?
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thankyou alex, now my doubt is clarified.
 

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