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by shove
786 days ago
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I only got a proof-of-concept working, but I made a board that would allow payment for arcade games and pinball machines over wi-fi without disabling the coin slot. Free-play can be enabled by sensing the P1 and P2 start buttons. Security was an interesting puzzle because the 8266 ran out of memory when trying to host an SSL stack, so I went with HMAC signed messages. |
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