CO2 meter and Xively logger with NDIR infrared sensor built on AVR ATmega328

Davide Gironi published a new build an AVR ATmega328 based CO2, temperature and humidity logger and meter: It logs data feed, CO2 in air in terms of ppm, temperature and humidity to a xively.com feed. It also display realtime data to user through a 16×2 characters LCD. This logger it is based on the xively logger […]

Simple electric imp temperature logger

Marcus Olsson of Slickstreamer made this simple electric imp temperature logger with 3D printed case: I build this temperature logger for my father as a christmas present so he can use his phone to view the temperature at home. The device is build from a electric imp, TMP102 temperature sensor, battery and a charger. It loggs […]