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Control LEDs with Mifare Classic

Set the contents of block 1 to control WS2812FX. Will revert to default after 5 minutes.

Format:

Prefix the block with WS2812FX and then provide preferred options: 57 53 32 38 31 32 46 58 MM CC CC CC CC SS SS RR

Mode (1 byte)

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SIO

If you've only got an SIO and you wonder what the length of the credential is, this information, experimentally derived and provided on Discord, may help.

SIO Payload Length	PACS Minimum Size	PACS Maximum Size
21 Bytes	25 bits	32 bits
22 Bytes	33 bits	40 bits
23 Bytes	41 bits	48 bits

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ROTHULT

Proxmark

hf search

UID : 02 E2 00 67 15 04 33
ATQA : 00 42
SAK : 20 [1]

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Keybase proof

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• I have a public key whose fingerprint is D49E 4267 F792 3D35 6358 9B21 3E92 C5A7 F643 56BD

To claim this, I am signing this object: