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Tiny Code Reader: a $7 QR code sensor
So cheap I bought three
Within a a couple of minutes I had a Python loop that printed out the current QR code using the I²CDriver: but using my setup above I found it to only recognize the code if it’s centered with 5 degrees in both vertical and horizontal directions. I’m tempted to see if I can use it as a development platform — the $7 price for a stock RP2040 and an image sensor is pretty appealing.
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