Here you can find installation and maintenance instructions for FreeStations and FreeSensors.  These should be followed carefully, in order to collect long term, high quality data, whether you have received a station from us or built it yourself.

The Generation 2.0 (Particle) builds are current and in active development and the default going forward.  The Generation 1.0 (Arduino) builds are complete.  Use the correct instructions for the FreeStation and FreeSensors that you have.  See our FreeStation FAQ to submit or review answers to commonly asked questions.