Main Board
AssemblyApplication SoC running the voice assistant, with co-processor MCU, RAM, flash, and a Wi-Fi/Bluetooth radio. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Main Board parts and their functions
9 top-level parts · 232 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Bare PCB | 1× | Bare main PCB (reuse) |
| 2 | Compute SoC Module | 1× | Application SoC (reuse) |
| 3 | Microcontroller | 1× | Always-on co-processor MCU (reuse) |
| 4 | LPDDR RAM | 1× | LPDDR system RAM |
| 5 | Flash Storage | 1× | eMMC / NAND flash |
| 6 | Wi-Fi/BT Module | 1× | Wi-Fi + Bluetooth combo module |
| 7 | Antenna | 2× | Wi-Fi / BT antennas |
| 8 | SMD Passive (R/C/L) | 220× | Resistors/caps/inductors (reuse) |
| 9 | Connector | 4× | Board-to-board connectors (reuse) |
3D model
No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly
shared across products
atomic part
related product
Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.
Bill of materials for Main Board
9 top-level lines · 9 rows shown · 232 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | Compute SoC Module | soc-module | 1× | 1 | · | part |
| 3 | Microcontroller | mcu | 1× | 1 | · | part |
| 4 | LPDDR RAM | smart-speaker-dram | 1× | 1 | · | part |
| 5 | Flash Storage | smart-speaker-flash | 1× | 1 | · | part |
| 6 | Wi-Fi/BT Module | smart-speaker-wifi-module | 1× | 1 | · | part |
| 7 | Antenna | smart-speaker-antenna | 2× | 2 | · | part |
| 8 | SMD Passive (R/C/L) | smd-passives | 220× | 220 | · | part |
| 9 | Connector | connector | 4× | 4 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the main board is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$200. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳JLCPCB
jlcpcb.com ↗
|
Shenzhen, CN | PCB fabrication | 100 pcs | 2–4 wks |
|
🇨🇳PCBWay
pcbway.com ↗
|
Shenzhen, CN | PCB fab & assembly | 100 pcs | 2–4 wks |
| scc.com.cn ↗ | Shenzhen, CN | PCB manufacturer | 100 pcs | 2–4 wks |
| shogini.com ↗ | Mumbai, IN | PCB manufacturer | 100 pcs | 2–4 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |