spark/core-firmware — pull request #136 by ScruffR (2014-02-28 22:02:03+00:00)
Title: ExtTinker firmware that goes together with ExtTinker Android App

which provides RGB-LED control capability and RX/TX pin digitalRead/Write support.
To set RGB color call analogWrite("CL,")

For preview how it should work see https://community.spark.io/t/extended-android-spark-tinker-app-rgb-led-rx-tx-pins/2899