I started off with a single C.H.I.P. and ran everything on it but then when I added a second C.H.I.P. I wanted to have all the data in a central location. I also found Chronograf lag a lot when trying to browse more than a couple day's worth of data. The Raspberry Pi has much faster storage and CPU.

> How are you sending data to the Pi?

The C.H.I.P. has a Python script that runs on a cron that calls a C program to read the sensor and then sends it to the Pi using InfluxDB's HTTP API.