I have tried that, same results. I am aware of the boards I2C settings for the OLED and LoRa... And after trying many more times I came back to your post and read it more carefully and initially, I would have thought that they needed two separate I2C busses but in re-reading your comment ...as eithe...

Thanks for the reply but I forgot to mention that I had done that and it did not fix issues.

After days of trying to test a bme680 I2C sensor with my TTGO LoRa32 SX-1276 OLED board without success... I tried a couple of different scenarios. 1.) The above test...FAILED. 2.) The LoRa board and a DHT11...it worked. 3.) ESP-WROOM 32 and the DHT11, it worked. 4.) ESP-WROOM 32 and a bme680 using ...

I'm running sketches on a TTGO LoRa32 Esp board... I have all libraries and boards defined and it works with a catch. The first compile is OK. Compile again and I get this Arduino: 1.8.19 (Linux), Board: "TTGO LoRa32-OLED, TTGO LoRa32 V2, 80MHz, 921600, None, Enabled" WARNING: Category '' in library...