FutureSharks from github.com has another great project on it’s repository, it’s a solar powered particle photon environment monitor.
Here is the Photon code and hardware details to build a solar powered environment monitor. It uses a combo module of 3 separate sensors that are read via I2C protocol to periodically measure and record:
Temperature
Humidity
Light level
Air pressure
Battery charge
Solar powered Particle Photon environment monitor – [Link]
