BarnacleBoy
3c11190822
- docs/sbc-selection.md: full rewrite for OPi 3B specs (RK3566, 8GB, 256GB eMMC, built-in WiFi) - README.md: SBC description, checklist, components table, quick ref, cost estimate - docs/parts-list.md: SBC marked purchased, eMMC/controller/WiFi changes - docs/design-decisions.md: WiFi exclusion reason, native eDP, power input - docs/salvage-analysis.md: WiFi card not needed, cooling fan, summary tables - docs/storage-architecture.md: rewritten for 256GB eMMC primary boot - docs/usb-expansion.md: 2x USB3 native, port allocation, power budget - docs/port-layout.md: OPi3B port differences (eDP, power-only USB-C, built-in WiFi) - docs/power-system.md: lower power draw context
94 lines
No EOL
3.4 KiB
Markdown
94 lines
No EOL
3.4 KiB
Markdown
# K501U Cyberdeck
|
||
|
||
A cyberdeck built from salvaged ASUS K501U laptop components and Orange Pi 3B SBC.
|
||
|
||
## Project Status
|
||
|
||
**Phase:** Component acquisition and planning
|
||
|
||
- [x] Salvage analysis (K501U components)
|
||
- [x] Display identification and controller board ordered
|
||
- [x] SBC selection (Orange Pi 3B 8GB with 256GB eMMC)
|
||
- [x] SBC purchased and delivered ($189)
|
||
- [x] Storage architecture planned
|
||
- [x] USB expansion design
|
||
- [x] Case nomenclature and orientation defined
|
||
- [x] Build approach: wooden case + salvaged lid canopy
|
||
- [x] Input device: ThinkPad TrackPoint keyboard
|
||
- [x] Power system: IP5389 board + 18650 cells (preliminary)
|
||
- [x] Video output: mechanical HDMI A/B switch
|
||
- [x] Port layout defined (10 ports + SD reader + Kensington)
|
||
- [ ] Case design (dimensions, internal layout)
|
||
- [ ] Power system board selection and testing
|
||
- [ ] Bow wall design (power input, fan exhaust)
|
||
- [ ] Fabrication
|
||
- [ ] Software configuration
|
||
|
||
## Components
|
||
|
||
### Salvaged from ASUS K501U
|
||
|
||
| Component | Model | Status |
|
||
|-----------|-------|--------|
|
||
| Display | Innolux N156HGE-EAB (Rev. C2) | Controller board ordered |
|
||
| Hinge mechanism | Original K501U | Available |
|
||
| Webcam | K501U module | Available |
|
||
| WiFi antenna | K501U | Available |
|
||
| Cooling fan | K501U | Available |
|
||
|
||
**Not reused:**
|
||
- RAM (DDR3L soldered, incompatible with modern SBCs)
|
||
- SSD (owner repurposed)
|
||
- WiFi card (OPi3B has built-in WiFi+BT — no external card needed)
|
||
|
||
### New Components
|
||
|
||
| Component | Selection | Status |
|
||
|-----------|-----------|--------|
|
||
| SBC | Orange Pi 3B (8GB, RK3566, 256GB eMMC) | Purchased ($189) |
|
||
| Display controller | 30-pin eDP to HDMI | Ordered (~$24) — may be unnecessary, OPi3B has native eDP |
|
||
| Storage (boot) | 256GB eMMC (onboard) | Incl. with SBC |
|
||
| USB hub | Powered 7-port USB 3.0 | To purchase |
|
||
| Storage (data) | USB 3.0 SSD enclosure | To purchase |
|
||
|
||
## Documentation
|
||
|
||
- [Salvage Analysis](docs/salvage-analysis.md) - K501U component breakdown
|
||
- [SBC Selection](docs/sbc-selection.md) - Orange Pi 5 details and rationale
|
||
- [Storage Architecture](docs/storage-architecture.md) - SD card + USB storage plan
|
||
- [USB Expansion](docs/usb-expansion.md) - Hub selection and port allocation
|
||
- [Parts List](docs/parts-list.md) - Bill of materials with costs
|
||
- [Design Decisions](docs/design-decisions.md) - Build approach, nomenclature, layout
|
||
- [Power System](docs/power-system.md) - IP5389 battery management decision
|
||
- [Port Layout](docs/port-layout.md) - External port placement and allocation
|
||
|
||
## Quick Reference
|
||
|
||
### Display
|
||
|
||
- **Panel:** Innolux N156HGE-EAB (Rev. C2)
|
||
- **Size:** 15.6" 1920×1080
|
||
- **Interface:** 30-pin eDP
|
||
- **Controller:** Standard 30-pin eDP to HDMI (~$24)
|
||
|
||
### SBC
|
||
|
||
- **Board:** Orange Pi 3B (RK3566, 8GB RAM, 256GB eMMC)
|
||
- **Storage:** 256GB eMMC onboard + MicroSD slot + M.2 M-key
|
||
- **USB:** 2× USB 3.0, 2× USB 2.0 native
|
||
- **WiFi/BT:** Built-in WiFi 5 + BT 5.0 (no dongle needed)
|
||
- **Power:** USB-C 5V/3A via IP5389 power board, 18650 cells
|
||
- **Draw:** ~3-5W under load
|
||
|
||
### Cost Estimate
|
||
|
||
| Category | Cost |
|
||
|----------|------|
|
||
| SBC (w/ 256GB eMMC, WiFi+BT) | $189 |
|
||
| Display controller | ~$24 (may be optional — OPi3B has native eDP) |
|
||
| Storage (hub + enclosure) | ~$30 |
|
||
| Power system (board + cells + fuse + charger) | ~$44 |
|
||
| HDMI switch + panel cables + SD reader | ~$33 |
|
||
| **Subtotal** | **~$320** |
|
||
|
||
(Excludes case materials and misc hardware. $189 SBC cost is actual after tax/shipping.) |