Hey there.

Thanks for your response.

The MCU is connected with a data cable; I use it to transfer photos from my camera.

I'm not sure the device is being detected by the PC. It doesn't show up in the File Explorer window This PC/Devices and Drives. Should it? How else would I check that?

Hey there. I've been given a board that identifies itself as a d1 mini. I understand that this means it is a Wemos ESP32 board. I've connected it to my Windows 11 PC and attempted to load a blink sketch from the Arduino IDE, but the following error message appears: Sketch uses 268105 bytes (20%) of ...