Sensor One
This sensor uses the humidity of the soil around a pot plant as the seed for a random number generator. How does this work?
The most recent number was generated at ...
Total numbers generated by this robot: ...
Randomness
This robot currently has a χ² of ... and a P-value of .... (How is this calculated?)
Variance
This is a visualisaion of the most recent ... numbers generated by this robot. Similar numbers are a similar colour, so if you can see patterns then the result is not really random. A truly random number generator should should look like white noise, with no patterns in it.