lolin_d32_waveshare Create a configuration.h file with your WIFI credentials and timezone offset const char *ssid = "ssid"; const char *password = "password"; const long GmtOffsetSec = -3 * 3600; const int DaylightOffsetSec = 0; Libraries https://github.com/ZinggJM/GxEPD2 Components Lolin D32 Waveshare, 1.54inch E-Ink Display 200x200 Pixel 3.3V/5V Support Partial Refresh References https://github.com/G6EJD/LiPo_Battery_Capacity_Estimator