This is my first post to this site and any advice would be appreciated. I bought a new 20X4 J204A LCD and had it successfully up and running within minutes of attaching it to my Arduino Mega 2560. It ran perfectly for 3 hours. After 3 hours of operating without error I noticed that that the contra…

Solution found: LCD 20X4 Display Problem - Only top two lines display characters

Zapro August 2, 2014, 7:59pm 8

Faulty Zebra-strip.

// Per.