Hub is LEGO set 88009-1. It doesn't have a score so far. The set is recommended by 0 reviews, based on 1 scored review and 3 reviews total. We know this set was released in 2019, and it is categorised in Powered Up.
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This power unit is pretty flimsy. After changing the batteries 5 or 6 times I started to have trouble with the connectors. One eventually broke which means it will not work. Great idea but poor build quality and hard to get a replacement and pretty costly.
Overall, I see what Lego wanted to do with the new PUP system. It eliminates the IR weakness, removes the need for a separate receiver, and updates the system to be "app-enabled" like all the cool toys are now. I think that also brought some new limitations that Lego CAN remove, but hasn't yet. I'm looking forward to seeing the PUP system appear in Technic sets to see how Lego handles that.
I am excited by the potential provided in the new version of the Powered Up App. Tying together the best of Boost, Powered up elements and even WeDo sensors, as well as offering a variable level of complexity , in a unified platform is exciting. I am happy after running these tests that I should be able to control a train powered by a simple M motor running, being controlled using in line tiles.