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https://tunjid.com/articles/home-automation-with-android-things-and-kotlin-60904aa96ad9fc3f3cd03d26 · 8 Jul 2019
My Android Things Home Automation Hub, the green dongle is the TI CC2531
https://tunjid.com/articles/a-bluetooth-smart-way-to-toggle-rf-switches-6085d297a46b907a724e8209 · 14 Mar 2017
Article