Dan Ternes www.maniacallabs.com
A timer for tea using RFID tags. In programming mode, the tags can be programmed with the tea name and steep time. Scanning the tag in normal mode will display the name of the tea and start a timer. A piezo buzzer will sounds once the timer has run down and the tea is ready.
RFID Module: SunFounder Mifare RC522 http://www.amazon.com/SunFounder-Mifare-Antenna-Proximity-Arduino/dp/B00E0ODLWQ
Mifare 1K Classic Tags: http://www.amazon.com/Mifare-NFC-Galaxy-Nexus-Tags/dp/B00BRKUPHA
Adafruit Monochrome 128x32 OLED I2c Graphic Display: https://www.adafruit.com/products/931
Arduino RFID Library for MFRC522 by miguelbalboa: https://github.com/miguelbalboa/rfid
See RFItea.ino for more information.