by qiSun

Water and air temperatures of my Trout pond.

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 jconenna

This is an esp8266 based cat monitoring project. Monitors food and water bowl visits and litter box visit durations. Plots real time data for visits as well as daily totals. Click on More Information to visit and follow Muffin's Twitter @MyCatStats.

by hayhurst

A 3 square metre evacuated tube solar hot water system mounted on a roof with 20deg inclination and South orientation.

by janco

Water level in an underground water reservoir

by mats

Monitor water consumed in a summer house area with app 50 households. Input from 3 water meters with reed relays each giving a puls per 100l water consumed.

by maly.japonec

Záznam stavu solárního ohřevu vody 300 litrového zásobníku se 2 výměníky. Kolektor je 30 vákuových trubic. Monitorovací aparatůra používá 2x ESP8266 + 6xDS18B20.