Let's summarize what we did in this chapter. We created an independent measurement station with Arduino that automatically measures and serves the data in some way. First, we logged the data locally on a SD card and then we served this data using a web server running on the Arduino board.
The following are the major takeaways of this chapter:
First, we built the required hardware for this chapter, and inserted the SD card into the Ethernet shield.
Then, in the first part of the project, we logged the measured data on the SD card and used a remote time server to automatically get the measurement times.
Finally, we built a new Arduino sketch to have a web server running on the Arduino board. We then modified the plotting code from the previous chapter so it can call the server on the Arduino board to get and plot the measured data.
There are, of course, many ways to improve this project. You can add more sensors to the project and either log this additional data on a SD card or serve it...