OpenSprinkler › Forums › Hardware Questions › DIY Kit Assembly Questions › LCD is backlit but characters are rectangles › Reply To: LCD is backlit but characters are rectangles August 8, 2015 at 9:18 am #39744 thisisitParticipant Hi, TheDeadly1. did you find any solution to your problem? I have similar problem: firmware uploaded ok, USB is working, network is working, web interface is working, however LCD shows rectangles, and triacs are not working.
