Cube K8

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Revision as of 20:50, 27 February 2012 by Wad (talk | contribs) (→‎Breakdown)
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The Cube K8 is a tablet which is commercially available for $89 (plus $30 S&H).

Overview

The Cube K8 provides 512MB of memory and 4GB of eMMC storage

Display

The display size is 7" diagonal w. 16:9 aspect ratio. The resolution is 800 x 480. A capacitive touchscreen is integrated.

There is one internal speaker and an internal mono microphone.

Connectivity

The Cube K8 has 802.11b/g WiFi using an antenna on the motherboard.

Location/Movement

The Cube K8 has an accelerometer.

Ports

  • One mini USB
  • One full-size type A USB
  • One microSD card, externally accessible
  • One DC input port
  • One stereo Headphone Jack (3.5mm)

There is one button on the front panel, and three (power, ESC, and M) along one side.

Power

The Cube K8 has a 11Wh Li-Ion polymer battery (3.7V @ 3000mAh).

There are two wires to the battery, soldered directly to the main motherboard. The battery is soft-sided.

While the unit is labelled 5V 2000 mA on the back cover, the supplied power adapter is only rated for 5V 1500 mA!

Breakdown

All flex cable connectors were glued shut after assembly.

Height

The tablet thickness is roughly 13.3mm in the middle. The height stackup is:

Height Stackup
Front bezel: 1.4mm
Touchscreen: 1.1mm
Air Gap: 0.6mm
Display: 3.8mm
Motherboard: 4.6mm Battery: 4.5mm
Air Gap: 0.4mm
Back plastic: 1.5mm

Weight

The tablet weight is roughly 326 grams. This breaks down as:

Weight
Cover Glass/Touchscreen/Display 156g
Motherboard/Speaker: 40g
Battery: 68g
Back cover/Bezel: 62g
Total: 326g

BOM

Another breakdown is at: Slate4Sure, for the K8GT model which includes a camera. It is the same motherboard and case.