Guru
Joined: 11/02/2018
Location: AustraliaPosts: 2561
| Posted: 08:56am 18 Apr 2024 |
1) As the display doesn't seem to have touch and SD isn't used do you need a pullup on MISO?
2) Perhaps try some shielding between the PCB and LCD. S scrap of sheet metal or foil wrapped in plastic.