What sort of drone are you looking for, and what sort of programmable?<p>This tiny $20 quad has a hacked, open firmware: <a href="https:&#x2F;&#x2F;hackaday.com&#x2F;2016&#x2F;01&#x2F;07&#x2F;open-source-firmware-for-a-mini-quadrotor&#x2F;" rel="nofollow">https:&#x2F;&#x2F;hackaday.com&#x2F;2016&#x2F;01&#x2F;07&#x2F;open-source-firmware-for-a-m...</a>