Turn your smartphone into a sensor and an actuator https://t.co/HZa3Vu7W3h https://t.co/cOksTyrHx1

Turn your smartphone into a sensor and an actuator https://t.co/HZa3Vu7W3h http://pic.twitter.com/cOksTyrHx1

— ☁suɐɥ ɟǝoq☁ (@HansB001) November 29, 2016

from Twitter https://twitter.com/HansB001