pi gpio with lua L298n skynet cocos2dx
init cmd : git submodule update --init cd server/skynet && make (linux|macosx)
pi server : sudo ./skynet/skynet work/config.server #must used sudo with dev/mem by GPIO
pi client : apk ipa with mac, android , ios and window ,don't test window g-2 b-6
g-13 b-15 o-16 y-18 bai-19 hei-21