thanks raquel,

that was it. i changed the addres to default (0x50) via i2c. now the display is working again properly.

many thanks & br

boerdi

ok, i figured out the problem (seems a bit strange to me):

i wiped the display memory with the mogc tool. then i had to find the right baudrate. in my case the display is working properly only with baudrate 9600 or 19200. the higher baudrates results in strange (only parts of sent text...) outputs ...

hello,

i'm facing a strange problem with my display:
i'm driving the GLK 12232 with i2c. til yesterday it was working. yesterday evening, i powerd it on again. the display ran quite a while properly. after about 2 hours runtime suddenly all pixels where activated - and since then it only displays ...