LCD displaying black boxes in the top row, have tried other methods available in the forum but not able to solve it.
I have attached sketch and project image in this post.
RS-7
Enable-8
D4-9
D5-10
D6-11
D7-12
LCD displaying black boxes in the top row, have tried other methods available in the forum but not able to solve it.
I have attached sketch and project image in this post.
RS-7
Enable-8
D4-9
D5-10
D6-11
D7-12
Connect RW (pin5) to GND.
Please read Forum guide. Always post text with copy-paste. Do not post screenshots of text.
Post a photo of your actual wiring.
David.
Post a simple schematic of your circuit showing all voltage sources and all connections including power and ground. Include links for each hardware part. This appears to have been copied from another website and there is a wiring mistook.
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