{"conversations": [{"from": "user", "value": "Vull construir un sensor de moviment que m' avisa quan detecta moviment."}, {"from": "assistant", "value": "Un sensor EV3, un EV3"}, {"from": "user", "value": "Pots explicar en detall com programaries un sensor EV3 per fer-ho?"}, {"from": "assistant", "value": ""}]}