Misura (in metri) del livello del fiume Tevere secondo l'idrometro di Ponte Cavour. Dati rilevati dalla centralina della Protezione Civile del Lazio, e pubblicati sul portale OpenData Lazio. Licenza CC-BY-4.0 http://creativecommons.org/licenses/by/4.0/
Conditions at the Bayfront Canal near Redwood Mobile Estates RWC
A 3 square metre evacuated tube solar hot water system mounted on a roof with 20deg inclination and South orientation.
Monitor water consumed in a summer house area with app 50 households. Input from 3 water meters with reed relays each giving a pulse per 100l water consumed.