The R/W pin should be tied to ground for writing to the display.
The schematic that shows it tied to VDD was my fault.
It has already been corrected for future manuals.
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Re: 4 x 20 LCD display with PB3 - Pin 5 High or Low?
The R/W pin should be tied to ground for writing to the display.
The schematic that shows it tied to VDD was my fault.
It has already been corrected for future manuals.
DT
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