LCD, TFT, OLED, LED modules
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- Posts: 927
- Joined: Sun Aug 05, 2012 4:15 pm
It sounds like a bad connection issue to me. I would double check that you have good connections to the module, especially the GND connection (VSS). Is the module on long wires? If so then try shortening them.
Also in the example you posted, if you're only wanting to display something that changes every second then you only need to update the display once a second. This will reduce the chances of corruption. After the lcd.print("sec"); line add:
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