Holder/stand for e-paper price tag with integrated holder for aLi-Ion 18650 battery
More info about project at https://www.klosko.net/blog/=clanek=epaper-samsung-solum4-2 (In CZECH)
PCB with LDO : https://oshpark.com/shared_projects/E93ItoxA
Uživatel se označil za původního autora tohoto modelu.