I just posted this topic but in the wrong section, but its already gone, so here in the right section I have an OLED shield for the WEMOS D1 mini. I have it in I2C mode connected together with a BME280 sensor on pins D1 and D2. Everything works!! However after a 'while' (haven't watched it happen…

How to reset crashed OLED

olikraus April 16, 2018, 6:14pm 2

You could call u8g2.begin(). It should do a software reset.

Oliver