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The coffee machine in our office is controlled by blockchain NFTs and a Raspberry Pi: Once authenticated, an owner of the NFT can select their coffee type on t
by quartz 7y ago
The coffee machine in our office is controlled by blockchain NFTs and a Raspberry Pi:
Once authenticated, an owner of the NFT can select their coffee type on their phone which then signals the Raspberry Pi to make whatever coffee type was selected by jumping the contacts that used to be pressed by the machine's buttons (which have been removed).
It's a cool gimmick, fun to show off to visitors, gives us a nice record of who is making coffee (since each NFT's owner is unique and trackable), limits users to those with the NFT without us having to build usernames/passwords, and is also how I make my coffee each afternoon.
- Piskvorrr 7y agoIs it HTCPCP-enabled? Inquiring minds want to know!
- jtolly710 7y agoHopefully including HTTP Error 418 too!
- amelius 7y ago> gives us a nice record of who is making coffee Is that allowed by GDPR?
- notdang 7y agoWhat coffee machine are you using?
- quartz 7y agoIt's a Nespresso Lattissima-- the old version where the buttons were physical push-to-press. We pulled the buttons off and soldered wires to the board inside via a 4-channel relay.
- myhay 7y agoVery similar to what we have in the office as well. The difference is that we are using bluetooth and NFC of the mobile as authentication method.
- trimbo 7y agoDoes it record on the blockchain who took the last cup of coffee and didn't make more? Everyone in every office would pay good money for that.
- quartz 7y agoIt doesn't write individual orders to the chain. It could if we funded a wallet to pay the gas to write those records but right now it just does authentication of NFT ownership to grant access, which is conveniently free. The history logs are stored locally.