Quantity   Component name
1 × Adafruit Feather HUZZAH with ESP8266 An Arduino IDE programmable device with WiFi and LiPo charging
1 × Waveshare 1.54" ePaper display 200 x 200 pixels consuming virtually no power
1 × Lithium Ion Polymer Battery - 3.7v 350mAh Compact power source
1 × Adafruit 1201 Vibrating motor disc Physical alert
1 × Generic 3v Piezo Audible alert
2 × Small PCB mount pushbuttons Select & confirm