Sensoren by https://padlet.com/rkrens/rtq8ayf381u8 1 TIP en 1 TOP over het vak en-us 2018-04-20 09:40:48 UTC 2018-04-20 09:41:23 UTC hello@padlet.com Klik op het potlood, of dubbelklik om te maken rkrens https://padlet.com/rkrens/rtq8ayf381u8/wish/253751189 2018-04-20 09:41:21 UTC https://padlet.com/rkrens/rtq8ayf381u8/wish/253751189