Menu: Home Sprout framework Sprout OS GPU library Pix-watch Pix-reader FX shield (T3.6) Guitar shield (T3.6) Surround shield (T3.6) Sprout OS Sprout OS is a multi tasked OS using RebbleOS and FreeRTOS. It is specially made for the STM32L4 devices (Dragonfly board). The idea is to have a custom application loading like RebbleOS. Apps can be transferred to internal flash using USB, a microSD or bluetooth. Current state: planned.