# pocket computer M4

The PCM4 (pocket computer / M4) is a handheld computing device based
around the Keyboard FeatherWing [1] and the Adafruit Feather M4 [2].
The Feather M4 has 512K of flash memory, 192K of RAM, and 2M QSPI [3]
flash.

[1] https://www.tindie.com/products/arturo182/keyboard-featherwing-qwerty-keyboard-26-lcd/
[2] https://learn.adafruit.com/adafruit-feather-m4-express-atsamd51?view=all
[3] https://github.com/adafruit/Adafruit_QSPI

It will have a scheme-based operating system.