OLED pin GND to ground
OLED pin VCC to +5v
OLED pin SCL to PIN 7 PB2
OLED pin SDA to PIN 5 PB0
The problem is not between the Attiny and Nano, because a simple code to blink a LED, works.
i have been trying with a lot of examples and codes.... look at the following video.....what a fu.....
