Quantity   Component name
2 × Nema 17 Stepper Motor https://www.amazon.com/gp/product/B00W96BBF6/ref=oh_aui_detailpage_o02_s02?ie=UTF8&psc=1
1 × AS5048 Eval Board https://www.mouser.com/ProductDetail/ams/AS5048A-EK-AB-STM11?qs=abmNkq9no6B8xs2FldCtcg%3D%3D&gclid=Cj0KCQjw3InYBRCLARIsAG6bfMTrHTHIlz_487KyT5LP4mzQ45dlbEQbGb7eCGHCOE1YbSkcos5HxjUaAhewEALw_wcB
2 × Bipolar Stepper Driver https://www.pololu.com/product/2133
1 × 12v Power Supply Regulator https://www.amazon.com/gp/product/B079N9BFZC/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
1 × Slip Ring (through hole) Slip Ring with Flange - 22mm diameter, 12 wires, max 240V @ 2A. https://www.aliexpress.com/item/M-slipring-slip-ring-with-hole-hole-Dia-5mm-6-Channel-2A-electric-Slip-Ring-Hollow/32663825415.html
4 × 18650 Batteries Provides 14.8v with 2000 mAh power at > 2A continuous. https://www.amazon.com/gp/product/B016ZPBHAK/ref=oh_aui_detailpage_o04_s01?ie=UTF8&psc=1
2 × Battery holder case https://www.amazon.com/gp/product/B06XXJ4C3B/ref=oh_aui_detailpage_o03_s01?ie=UTF8&psc=1
1 × microSD card
1 × Bluetooth 4.x module with EDR https://www.amazon.com/gp/product/B00NXJ5E7E/ref=oh_aui_detailpage_o05_s01?ie=UTF8&psc=1
8 × M3 x 12mm screws In a box of metric screws from Harbor Freight