For Core1, Core2, and CoreS3 versions, GPIO 22-27 and GPIO 32 are free. GPIO 20 on Core1 and Core2 is used. GPIO 28-31 are unused. GPIO 40-48 are not on Core1/Core2 but are used for Camera on CoreS3. GPIO 19/20 on CoreS3 are used for USB.
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Best posts made by blackfigcurrant
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RE: Free/Available GPIO PINs Questionposted in SOFTWARE
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RE: UIFlow2 M5Stack Core S3 camera example ?posted in UiFlow 2.0
When it comes to setting up that specific size/location window for the M5Stack Core S3 camera, samples can be a lifesaver!