Quantity   Component name
1 × Raspberry Pi Zero W You can also use Banana Pi M2 Zero or the original Pi zero if you have plenty of USB WiFi dongle laying around.
1 × RT3070 USB WiFi Adapter Or another supported WiFi Dongle will do. However, AOB is tested with RT3070 and it is proved to work best out of the box except the power draw problem
1 × IP5306 Semiconductors and Integrated Circuits / Misc. Semiconductors and Integrated Circuits
1 × FE1.1S USB2.0 Hub controller (Planning to find an alternative to this, still working on it)
2 × Lithium Polymer Battery 3.7V 1200mAh x2 (total output 2.1Amps, each with protection circuit)
1 × 3D printed case The case will be open sourced really soon.