Perovskite display technology demonstrates record efficiency and industry-level operational lifetime

A research team has developed a hierarchical-shell perovskite nanocrystal technology that simultaneously overcomes the ...
Hackaday

Building An Escape Room Lockbox With The ESP32 Cheap Yellow Display (CYD)

Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called ...