by JDT

Solar water heating system. 30 x 58mm evacuated tubes, facing south. 180l tank. Sussex, UK. The tank is also heated by a woodstove, oil boiler or by electric immersion heater.

by chrisjmears

Prototype differential Solar Controller created by Chris Mears, UK

by msexauer

Monitor der PV Anlage Speicherung der Wetterdaten von openweathermap.org für Cloudiness, Temperatur und WetterId und Wetterbeschreibung in den Channel Status WetterId Bedeutung siehe http://openweathermap.org/weather-conditions

by chrisjmears

Prototype differential Solar Controller created by Chris Mears, UK