The Raspberry checks the temperatures and controls the water tank. If the water is too colt for the bathroom, heat it up. The raspberry has solid state relays to switch the heating elements and the pump.

Températures

myhouse east 2nd outside

Datos atmosféricos del Pueblo

DHT22 temperature & humidity sensor driven by a Raspberry Pi 2 running a Python script

Temperature and state of the Pool Solar Controller

DHT11 Remote Station, External Humidity and Temperature logging.

1-wire @ Greger, a Raspberry Pi 2 running Raspbian.

ESP8266 NodeMCU with DHT22, BME280, DS18B20. and LDR sensors.

Three DS18B20 sensors

Different parameters of the aquarium

Medida de temperatura ambiente con sensor ds18b20, conectado a ESP 8266 01, envío de datos mediante protocolo mqtt a cliente node-red corriendo en Raspberry pi, el broker mqtt corre tambien sobre la Raspberry

Heating boiler

ESP8266 WiFi-IoT Home Weather Station

several WeMos D1 mini + DHT22 + DS18B20 + BH1750 + BMP180