Easily make an arcade unit that accepts bitcoin for your bar/cafe/meetup. Using the M5Stack121 project and the LNbits we replace the coin switch with a switch triggered by a bitcoin payment over lightning network M5Stack121:
https://github.com/arcbtc/M5Stack121 LNbits:
https://github.com/arcbtc/lnbits Follow me twitter.com/BTCSocialist

More BTCIOT tutorial – The bitcoin Arcade Machine Videos