BTCIOT Tutorial - A Lightning Network powered NFC PoS device

Today in BTCIOT we experiment sending a Lightning Network payment through NFC by building a point of sale device using an ESP32 and the RFID/NFC module RC522. All for $8ish!

"What is this Bowie card and where can I get one?!" - Elizabeth Stark

https://github.com/arcbtc/Ziggy

Hardware
-ESP32 Devkit v1
-RC522 RFID
-0.96 OLED (SPI)
-Adhesive keypad Matrix

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