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.
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
Using an ESP8266 ESP-01 module and an Arduino Pro Mini 3.3V I wirelessly update all outputs from my thermostat to here for data analysis and because it's cool.
This requires a voltage divided rectifier since thermostats run at least 24 VAC RMS.
A NodeMCU with 3 DS18B20 monitors the temperatures (T[o, T[u]) of a storage tank, heated by a combination of oil boiler, wood boiler and solar panels, the temperature of the wood boiler (T[HV]), and the temperature of the exhaust gas (T[Ag].