update PID description

Author: bradanlane

1209/5687/index.md

@@ -6,4 +6,4 @@ license: MIT
 site: https://bradanlane.com/
 source: https://gitlab.com/bradanlane/eccn_m0
 ---
-A short description of my device and what it does.
+The ECCN M0 is a small SAMD21G18 design with 4MB flash, touch pads, LEDs, and a buzzer. It supports both C/C++ and CircuitPython. An example use for teh the ECCN M0 would be a 3-button macropad.