Test of Battery operated ESP32 Boards (Olimex, TinyPICO, EzSBC, TTGO)

Which ESP32 boards can be used for our battery-operated projects? How can we distinguish between good and bad designs? And how do these boards compare to the ones tested in earlier videos? This time I have a global boards selection coming from Australia, Bulgaria, China, and the USA I am a proud Patreon of @GreatScott!, @ElectroBOOM , @Electronoobs , @EEVblog , and others. No Docker, No Microsoft Teams, Zoom Links: Comparison Table: Diagrams and datasheets: Boards (alphabetically): Adafruit Feather Huzzah: EzSBC IoT controller: Olimex: TTGO T8 S2 with display: TTGO T8 w/o display: https