Remember the good old PDAs or Personal Digital Assistants that people used for taking notes, keeping schedules, keeping a tab ...

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 ...

So I can definitely see the appeal of the simple PDA that Ashtf is developing. It’s a pocket-sized device with an E Ink display, a thumb keyboard, and simple software that’s currently designed for ...

the ESP32 needs to find the sensor, connect to it, select the right service, and listen for the notifications containing the data. The data is then converted to RPM and displayed on a small OLED ...