Coffeeberry - coffee with a raspberry

PyQt 5 & QML

• buy coffee using RFID
• get paid for cleaning and refilling beans

One of four pages

Physical devices

• MFRC522 RFID Transmitter
• HC-SR04 Ultrasonic Sensor
• 16 Bit ADS for checking status LED
• relays to switch start button

All pictures are from unsplash.com

authors: Jost Brandstetter and Felix Schürmann 2020