Thanks William, checked all the voltages and they were fine, except for pin #8 (middle bottom pin onGR2560) for the LCD port #1.
It's voltage is all over the meter. Keeps recycling.
Search found 2 matches
- Thu Oct 27, 2016 10:09 am
- Forum: LCD Panel
- Topic: Display problems of LCD2004/12864
- Replies: 17
- Views: 115356
- Thu Oct 27, 2016 7:59 am
- Forum: LCD Panel
- Topic: Display problems of LCD2004/12864
- Replies: 17
- Views: 115356
Re: Display problems of LCD2004/12864
Hello, just bought Gt2560 board and hooked up LCD12864. Blinking LCD, and chirping just like so many others on here.
Yes I uploaded correct firmware ( tried various ones), commented out other display, reversed connections. Still does not operate.
Tried LCD on other ramps board and LCD works. Used ...
Yes I uploaded correct firmware ( tried various ones), commented out other display, reversed connections. Still does not operate.
Tried LCD on other ramps board and LCD works. Used ...