Temperature in Leonberg. It is an PIC32MX measuring temperature and pressure with a BMP085. Data logging is done with an ESP8266 interfacing it over the usart interface with AT commands.

Outdoor ESP8266 Sensor

Testbetrieb für die Bienenstockwaage

Luftqualität im Gasthaus Lehen (experimentell)

self built weather station based on electric imp and sensors bmp280 (temperature, pressure, humidity) and bh1750 (luminosity). Measuring outside and inside. Placed at Campinas, Brazil.

This is the second device that I am building and is based now on BME280

Solar cells connected in a cube-like shape and exposed to the sun. Depending on the time-of-day (solar incidence) the power generated by each cell may be different.

weather station based on electric imp connected to external unit via radio channel link (nRF24L01+).

Data from a respirable dust sensor (SDS011) outside my window in Stuttgart

DHT22 with ESP8266