132 lines
4.4 KiB
Markdown
132 lines
4.4 KiB
Markdown
# Parts List
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## Bill of Materials
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### Core Components
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| Item | Specification | Source | Est. Cost | Status |
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|------|--------------|--------|-----------|--------|
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| SBC | Orange Pi 3B 8GB + 256GB eMMC | Amazon | $189 | **Purchased** |
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| Display controller | 30-pin eDP to HDMI | Amazon/eBay | $24 | Ordered — arriving in ~2 weeks |
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### Salvaged from K501U
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| Item | Status | Notes |
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|------|--------|-------|
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| Display (Innolux N156HGE-EAB) | Available | Connects via eDP-to-HDMI controller board |
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| Hinge mechanism | Available | Intact |
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| WiFi antenna | Available | OPi3B has built-in WiFi — antenna may still be useful for signal |
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| Webcam | Available | In bezel |
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| Cooling fan | Available | 4-pin PWM |
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### USB Expansion
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| Item | Specification | Source | Est. Cost | Status |
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|------|--------------|--------|-----------|--------|
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| USB hub | Powered 10-port USB 3.0 | Amazon | $20-25 | To purchase |
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| USB enclosure | SATA 2.5" USB 3.0 | Amazon | $10-15 | To purchase |
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| (or) USB flash | 128GB USB 3.0 | Amazon | $15-25 | Alternative |
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### Power
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| Item | Specification | Source | Est. Cost | Status |
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|------|--------------|--------|-----------|--------|
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|| Banggood power board | QC3.0 3S-5S 65W-100W PD, bare PCB | Banggood (ID 1990904) | $14.39 | **Purchased** — 3S-65W variant |
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|| 18650 cells (x6) | 3S2P, matched | Banggood | $48.04 | **Purchased** |
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|| Cell holders (x8) | Single 18650 slot | Banggood | $7.99 | **Purchased** (6 + 2 spares) |
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|| 5A blade fuse + holder | Automotive | — | $2 | To purchase |
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### Audio
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| Item | Specification | Source | Est. Cost | Status |
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|------|--------------|--------|-----------|--------|
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|| PAM8403 amp module | 3W+3W, 5V, Class D, single turn knob | Banggood | $3.59 | **Purchased** |
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|| 4Ω 3W speakers (x2) | Small drivers, ~31×70mm | — | $5-10 | To purchase |
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### Networking
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| Item | Specification | Source | Est. Cost | Status |
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|------|--------------|--------|-----------|--------|
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| WiFi | Built-in OPi3B | Included | $0 | **Built-in** |
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| WiFi antenna | K501U salvage or new | — | $0 | May reuse K501U antenna |
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### Video & Case Integration
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| Item | Specification | Source | Est. Cost | Status |
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|------|--------------|--------|-----------|--------|
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| HDMI A/B switch | Mechanical, passive, bi-directional | Amazon | $8-12 | To purchase |
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| Panel-mount cables | USB-A, USB-C, HDMI, Ethernet, audio | Amazon | $15-25 | To purchase |
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| Panel-mount SD reader | USB 3.0 | Amazon | $5-8 | To purchase |
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| Item | Purpose | Source | Est. Cost |
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|------|---------|--------|-----------|
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| Heatsink + fan | Cooling | AliExpress | $5-10 |
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| Panel-mount cables | Case integration | Amazon | $10-20 |
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| SD card reader | Backup/imaging | Amazon | $8-12 |
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---
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## Cost Summary
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### Actual Spend
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| Item | Cost | Status |
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|------|------|--------|
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|| Orange Pi 3B 8GB + 256GB eMMC | $189 | **Purchased** |
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|| Display controller | $24 | Ordered (may be optional) |
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|| Power board (Banggood 3S-65W) | $14.39 | **Purchased** |
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|| 18650 cells (x6) + holders (x8) | $56.03 | **Purchased** |
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|| PAM8403 audio amp | $3.59 | **Purchased** |
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|| OPi 3B metal case + fan | $16.78 | **Purchased** |
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|| **Spent so far** | **$303.79** | |
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### Remaining to Purchase
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| Category | Cost |
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|----------|------|
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|| Storage (USB enclosure) | ~$12 |
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|| USB hub (powered 10-port) | ~$22 |
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|| Power (fuse + misc) | ~$2 |
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|| Speakers | ~$8 |
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|| HDMI switch | ~$10 |
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|| Panel-mount cables + SD reader | ~$23 |
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|| **Remaining** | **~$77** |
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### Total Project
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|---|----|
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|| Spent | $303.79 |
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|| Remaining | ~$77 |
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|| **Estimated total** | **~$380** |
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---
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## Ordered Items
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| Item | Date Ordered | Est. Arrival | Source | Tracking |
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|------|-------------|--------------|--------|----------|
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|| Orange Pi 3B 8GB + 256GB eMMC | Before May 24 | Delivered | Amazon | — |
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|| Display controller board | TBD | 2-4 weeks | Amazon/eBay | TBD |
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|| Banggood power board + cells + holders + amp + case + fan | Jun 3 | TBD | Banggood | TBD |
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## Pending Purchases
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- Powered USB hub (10-port USB 3.0)
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- USB enclosure or flash drive
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- 5A fuse + holder
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- 4Ω 3W speakers (x2)
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- Mechanical HDMI A/B switch
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- Panel-mount cables (USB-A, USB-C, HDMI, Ethernet, audio)
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- Panel-mount SD card reader
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- Heatsink for RK3566
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---
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## Supplier Links (Research)
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*Add actual links when ordering:*
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- Orange Pi 3B: Amazon "Orange Pi 3B 8GB 256GB eMMC"
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- Display controller: Amazon search "N156HGE-EAB controller board" or "30-pin eDP to HDMI"
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- USB hub: Amazon "Sabrent 7-port USB 3.0 powered"
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