Quantity   Component name
1 × TTGO T5s (2.7 inch epaper) Or any other epaper display connected with an SPI interface to ESP32
1 × If you don't use a TTGO then any ESP32 If possible with a very good deepsleep consumption under 1 mA. Tinypico.com consumes 0.08 mA/hr when sleeping
1 × A 3D printed case from Thingiverse https://www.thingiverse.com/movil/designs -> You can find many in my designs including TTGO T5 & Good display 4.2 and 5.83
1 × Any supported epaper with an SPI interface Check the GitHub wiki to see the supported eink displays
1 × A 3.7v Lithium Ion battery If the esp32 board does not have battery management you will have to build one or use an external Adafruit module