Another surprising InitDisk success - Arduino vision shield

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mfalkvidd

IoT consultant
Sep 24, 2020
10
4
I recently received an Arduino Portenta H7 with a vision shield. This small device has a cortex m7 microcontroller at 480MHz which can do live inferencing to perform image recognition, while running on battery. It is a super cool little device.

The shield has a SD card slot, but I was unable to get it to work. I tried 2 different cards, that I had previously used in Raspberry Pis. Whenever I inserted one of the SD cards, only the internal 16MB memory of the vision shield was shown.

I put the SD card into my computer's SD slot, deleted all partitions on the SD card using Windows's built-in tool, crated a new partition and formatted it, but that didn't help. When I put the card into the vision shield, it was still not recognized.

I then ran InitDisk on the card, pulled the card out of the computer's slot and put it into the Arduino vision shield. The whole 32GB was immediately accessible!

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