Prozessor: PIC18F46K20
USB-UART Adapter: MCP2200

Tastenfeld:
https://www.amazon.de/gp/product/B07CNXPZS4/ref=ppx\_yo\_dt\_b\_asin\_title\_o04\_s00?ie=UTF8&psc=1

Software
https://github.com/Scorch1262/Codeschloss-MK7