Ocean Conservation & Tidalpunk

I'm not really sure what the proper definition of a robot is tbh. Apart from that, the article does talk about sensors.

Each device would be equipped with biodegradable sensors for collecting environmental data like water pH, temperature, pollutants, and the presence of microorganisms, which could be read out after collection or by remote sensing.

Edit: I took a look in wiki and I think it tracks?

A robot is a machine—especially one programmable by a computer—capable of carrying out a complex series of actions automatically. (...)