@zander I don't have an arduino...but I think you may be on to something. I don't know that there isn't something I'm missing for esp32. Also I relo...

@zander doubtful. I bought 2 of these oleds and they both do the same thing. I didn't apply 5v to the other. So I have tried 2 emc32s and 2 ssd 130...

@zander that is incorrect. I ran the I2C address scanner. My address is 0x3C. I also compiled and uploaded with 0x3D just to check and when I do so...

@robotbuilder This is the pinout for the board. /p> The tutorial is here:

@zander Hey, I tried a different board. This is a Wemos Lolin EMC320C3 PICO...it looks like the previous board but that was an Adafruit. You can see...

@will thanks...me too

@will That is just the angle of the photo...the wiring is correct. I tried using a 5V supply and it did the same thing. The correct address is 0x3C ...

@zander Yeah, it looks EXACTLY like my issue. Although I'm not sure where I would add the suggested ser.close(). I am using either PlatformIO or Ard...

@zander Did you mean you think the answer is something with the way Windows is managing my COM ports?

Agree with the article says this should only need be done on occasion. Could be an issue with the COM ports on my side and this is just a work-around...

@zander/p> This is a walkthrough of the first example

@zander It works using the the same procedure in both the Arduino IDE and PlatformIO using Arduino framework.

@zander O.K. It is working, but kindof wonkey. First I want to thank you for all the help. You were nice to hang with me. Let me explain what I di...

@zander Yes. There is a BOOT and RESET on my board. I have tried pressing BOOT. I have tried pressing RESET. I have tried holding them down as wel...