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COTS MBC

Process: Components Off the Shelf

Designation: Main Battle Computer

Purpose: High-power portable computing with meso-scale build transparency and hardware hackability.

Priorities

From High to Low:

  1. Commercially Available Components
  2. Performance
  3. Input/Output Devices
  4. Battery Life
  5. Aesthetics
  6. Mass

Parts Manifest

Key

P — Preferred

A — Adequate

O — Optional

U — Unranked

Compute Unit

Decision made

ntel NUC Skull Canyon NUC6i7KYK kit with 6th gen. Intel Core i7 processor, M.2 SSD Compatible, Dual DDR4 Memory Max 32GB with Intel Iris Pro graphics, Thunderbolt 3, No OS, Windows 10 Compatible, 45W TDP

Price: 649.99 USD

System Memory:

Decision made

G.SKILL Ripjaws Series 32GB (2 x 16G) 260-Pin DDR4 SO-DIMM DDR4 2133 (PC4 17000) Laptop Memory Model F4-2133C15D-32GRS32 GiB DDR4

Price: 159.99 USD

Storage Memory:

Decision made

SAMSUNG 950 PRO M.2 512GB PCI-Express 3.0 x4 Internal Solid State Drive (SSD) MZ-V5P512BW512 GB m.2 SSD, Samsung NVMe

Price: 317.99 USD

Screen:

Current choice

Adafruit Qualia 9.7" DisplayPort Monitor - 2048x1536 Resolution

Price: 224.95

Possible alternative

2560 * 1600 3x2 LCD Screen

Price: 100-150 USD

Main Power:

P x2 Tenergy 12.8V 7Ah LiFePO4 Rechargeable Battery

P Tenergy 12.8V (4S) LiFePO4 Battery Pack Charger

Price: 320-350 USD

Screen Power:

[TBA]

Price: [TBA]

Charge circuit:

DC-DC converter

Battery Management System (akin to e-bike?)

2 x 120 WHr LiFePo4 motorcylce battery 12 V -> 19 V voltage converter

~14 ga. wire with 5.5 mm/Outer Dimension, 2.5 mm/Inner Dimension barrel plug. Inner contact +19 (+-10%) V DC, shell GND, max current rating 10 A.

[TBA] Buffering capacitors, battery switchover system, simultaneous charge/discharge

Price: [TBA]

Keyboard Input:

P Custom Axiom gull-wing split 44-key mechanical keyboard Current choice: 48 key 40% ortholinear Planck mechanical keyboard

Price: 100-150 USD

Audio I/O

[TBA] Adapt Soradin marine headphones for computer stereo audio/microphone port.

Speakers

Price: [TBA]

Case

Pelican 1400/1450

Price: 75-100 USD

Drone case (?)

Total Cost

Least Upper Bound: P 2020 USD

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Robust portable computing for the modern age.

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