With an extra VCC line, the lifetime of OLEDS can be extendend.
Init sequence needs an extra command to enable this (U8G_ESC_VCC(1))
Howerver, the functionality (u8g_SetVCC()) is not yet implemented. It would require
an extra pin and an extension of the existininf init procedures
See also: u8g_dev_ssd1309_128x64.c
Originally reported on Google Code with ID 138
Reported by
olikraus
on 2013-02-01 22:25:43