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update docs: eDP controller confirmed, drop charger from BOM, graduate to bring-up phase

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BarnacleBoy 2026-05-31 23:52:38 +00:00
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README.md
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@ -4,7 +4,7 @@ A cyberdeck built from salvaged ASUS K501U laptop components and Orange Pi 3B SB
## Project Status
**Phase:** Component acquisition and planning
**Phase:** Initial bring-up — Orange Pi 3B testing and OS setup
- [x] Salvage analysis (K501U components)
- [x] Display identification and controller board ordered ($35)
@ -19,7 +19,8 @@ A cyberdeck built from salvaged ASUS K501U laptop components and Orange Pi 3B SB
- [x] Power system: \[IP5389 board]? + 18650 cells
- [x] Video output: mechanical HDMI A/B switch
- [x] Port layout defined (10 ports + SD reader + Kensington)
- [ ] Case design (dimensions, internal layout)
- [ ] ~~Case design~~ (postponed — board bring-up first)
- [ ] SBC initial bring-up and OS installation
- [ ] Power system board selection and testing
- [ ] Bow wall design (power input, fan exhaust)
- [ ] Fabrication
@ -49,7 +50,7 @@ A cyberdeck built from salvaged ASUS K501U laptop components and Orange Pi 3B SB
| Component | Selection | Status |
|-----------|-----------|--------|
| SBC | Orange Pi 3B (8GB, RK3566, 256GB eMMC) | Purchased ($189) |
| Display controller | 30-pin eDP to HDMI | Ordered ($35) |
| Display controller | 30-pin eDP to HDMI | Ordered ($35) — arriving in ~2 weeks |
| 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 | Reuse old external hard drive(s)? |
@ -72,7 +73,7 @@ A cyberdeck built from salvaged ASUS K501U laptop components and Orange Pi 3B SB
- **Panel:** Innolux N156HGE-EAB (Rev. C2)
- **Size:** 15.6" 1920×1080
- **Interface:** 30-pin eDP
- **Controller:** Standard 30-pin eDP to HDMI (~$24)
- **Controller:** Standard 30-pin eDP to HDMI (~$24) — ordered
### SBC
@ -88,7 +89,7 @@ A cyberdeck built from salvaged ASUS K501U laptop components and Orange Pi 3B SB
| Category | Cost |
|----------|------|
| SBC (w/ 256GB eMMC, WiFi+BT) | $189 |
| Display controller | ~$24 (may be optional — OPi3B has native eDP) |
| Display controller | ~$24 |
| Storage (hub + enclosure) | ~$30 |
| Power system (board + cells + fuse + charger) | ~$44 |
| HDMI switch + panel cables + SD reader | ~$33 |

10
docs/parts-list.md
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@ -7,13 +7,13 @@
| Item | Specification | Source | Est. Cost | Status |
|------|--------------|--------|-----------|--------|
| SBC | Orange Pi 3B 8GB + 256GB eMMC | Amazon | $189 | **Purchased** |
| Display controller | 30-pin eDP to HDMI | Amazon/eBay | $24 | Ordered — may be optional (OPi3B has native eDP) |
| Display controller | 30-pin eDP to HDMI | Amazon/eBay | $24 | Ordered — arriving in ~2 weeks |
### Salvaged from K501U
| Item | Status | Notes |
|------|--------|-------|
| Display (Innolux N156HGE-EAB) | Available | May connect via native eDP on OPi3B |
| Display (Innolux N156HGE-EAB) | Available | Connects via eDP-to-HDMI controller board |
| Hinge mechanism | Available | Intact |
| WiFi antenna | Available | OPi3B has built-in WiFi — antenna may still be useful for signal |
| Webcam | Available | In bezel |
@ -34,7 +34,6 @@
| IP5389 power board | USB-C PD, 3S, bare PCB | AliExpress | $8-15 | Preliminary selection |
| 18650 cells | 3S or 3S2P, quality brand | User's pick | $12-24 | To purchase |
| 5A blade fuse + holder | Automotive | Amazon | $2 | To purchase |
| USB-C wall charger | 5V/3A, for testing | Amazon | $8-12 | To purchase |
### Networking
@ -78,7 +77,7 @@
| Power system (board+cells+fuse+charger) | ~$44 |
| HDMI switch | ~$10 |
| Panel-mount cables + SD reader | ~$23 |
| **Remaining** | **~$111** |
| **Remaining** | **~$100** |
### Total Project
@ -86,7 +85,7 @@
|---|----|
| Spent | $213 |
| Remaining | ~$111 |
| **Estimated total** | **~$324** |
| **Estimated total** | **~$313** |
---
@ -103,7 +102,6 @@
- USB enclosure or flash drive
- IP5389 power board + 18650 cells
- 5A fuse + holder
- USB-C wall charger (5V/3A)
- Mechanical HDMI A/B switch
- Panel-mount cables (USB-A, USB-C, HDMI, Ethernet, audio)
- Panel-mount SD card reader