Water Tank Level

Home monitor

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

Arduino Mega 2560 with ethernet shield, 16x2 I2C LCD, RTC DS3231, SD card datalogger, two DHT22 sensors and two DS18B20 sensors

Temperature and Humidity Monitor for IT A Closet

Meassure CO2 level in my house

Voltage (Volts), State of Charge (%) and Alerts

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.

Test Water Heater Monitor. Adafruit HUZZAH ESP8266 module, FS300A G3/4 flow sensor, two DS18B20 thermometers, current, and voltage measurement using ADC. Monitors hot and cold water temperatures, hot water usage, current, voltage, and energy usage by th