Quantity   Component name
1 × LattePanda v1 64G/4G edition Convenient onboard Arduino should come in handy
4 × Micro USB 5pin OTG Adapter Connector Just large enough for a micro USB connector and 4 exposed pins.
1 × ~3.5 inch HDMI LCD screen I'm still trying to figure out which screen to use. But I think I have the rough size figure out.
4 × 4x Rechargable lithium AA batteries They have onboard chargers via micro-USB port
1 × Micro keyboard solution of some kind solution still pending