ssd1306 128x64 i2c module, odd lines are blank.

david_prentice:
Please post a link to the actual display, making sure that the link has an accurate photo of the pcb.

This applies to any questions about Chinese boards. If you provide a clickable link, more people will try it.

Hello !

Here is a link of what I purchased:

(Warning! site is in Swedish, but just click on the pictures to get them bigger)