Remember the good old PDAs or Personal Digital Assistants that people used for taking notes, keeping schedules, keeping a tab on contacts, and such stuff? Here is what can be said as a modern take on ...

It shares the same Seeed Studio XIAO ESP32-C3 microcontroller, 0.49 inch OLED display, and tiny 40 mAh LiPo battery. The only thing that’s really changed, aside from the adjustments necessary ...

But 0.96″ OLED displays are not, and neither are SMD tactile buttons. Why not imitate a screen ... The brains of the operation is an Arduino Pro Micro, which addresses each screen individually ...