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Forum : Digole Serial Display : Color LCD Modules :

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PENIRQ - Does it need an external pull up resistor ?


Checked the documentation and forum etc, understand that PENIRQ goes LOW when the touchscreen is pressed, but do I need to ensure the penirq pin is pulled HIGH by an external  pull resistor (to prevent floating) or is this handled internally to the  display module ?



RE:PENIRQ - Does it need an external pull up resistor ?

 No pull up resistor needed, the output is TTL

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