Use two 915MHz radios to send/receive current environmental information and display it in real-time up to 350 meters away!
This pH Sensor reads the pH value of any liguid and alerts by SMS with the liquid and its pH value
Yes, today is 4/20. Go ahead, giggle. The most commonly accepted origin story is that some high school students in Marin County (north of San Francisco) picked 4:20 PM to meet in a park and spark one up.
Flood detection system through water level measurements. Data transmission using Sigfox LPWAN. Real-time monitoring and alerts on Ubidots.