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Neat!

> The default image is 2 gigabytes in size. This can be increased (but not decreased!) through the resize command.

Is this the smallest size of an industrial SD card these days?

Smallest Swissbit do is 512MB, but that's as it's SLC flash so far lower capacity. https://www.swissbit.com/en/products/product-finder/products...

Looking at pricing, 1GB is only about 25% more in unit quantity.

MLC/TLC flash will be 2GB and up, and most consumer cards you can buy.

So it may still be worth it to support smaller images.