RT: Join the new #iot Barcelona meetup the 28th of June and learn about @helium and @hotspotty with @danielandrade
https://www.meetup.com/iotbarc...
RT：6月28日加入新的#iot巴塞罗那会议，并与danielandrade一起了解@氦和@温泉
https://www.meetup.com/iotbarc...
RT: Join the new #iot Barcelona meetup the 28th of June and learn about @helium and @hotspotty with @danielandrade
https://www.meetup.com/iotbarc...
RT：6月28日加入新的#iot巴塞罗那会议，并与danielandrade一起了解@氦和@温泉
https://www.meetup.com/iotbarc...