MicroPython Forum (Archive)

I use 32 GB without any problems. I don't think anything larger will work.

I would like to know the answer to that question too, but meanwhile you can still find them elsewhere. Adafruit has some in stock I think, which can also be purchased through Mouser. Digi-Key is out of stock. Sparkfun no longer carries them, which loops back to your question.

I have done functionally the same thing (create a bi-directional I2C bus) between a pyboard and an AVR Xmega using a separate digital line as a "service request" line. The Xmega pulls SRQ low when it needs to send a packet to the pyboard and the pyboard then issues 2 I2C reads, one to get the length...

I tried adding <pid> to the boot.py file, "pyb.usb_mode('VCP', pid =nn)", where nn was the original "from factory/after reset" number. That did not work. Windows promptly just assigned yet another new COM port number. However, by using Windows Device Manager I was able to get things working with the...

Is there a way to fix the COM port number? When I get a new board, or after I do an upgrade of the firmware or reset to factory state with the USR and RST buttons, the COM port number is a certain value. However I use a boot.py file of import machine import pyb pyb.usb_mode('VCP') for my normal use ...