Keyboard Unit

Assembly

Green Printed Circuit Board and Components.JPG · Commons ↗ Report photo

Compact mechanical keyboard with PS/2 and USB output, sealed against dust and spilled liquid.

Direct parts	4
Total parts	253
Used in	1 assembly
Class	Assembly

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Compact mechanical keyboard with PS/2 and USB output, sealed against dust and spilled liquid. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Keyboard Unit parts and their functions

4 top-level parts · 253 parts in total · full bill of materials below

Keyboard Unit parts diagram: 1 key switch, 2 keyboard controller PCB, 3 key cap, 4 key spring. 253 parts in 4 top-level items. — Keyboard Unit parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Key Switch	84×	Membrane or mechanical switches, 2 mm travel
2	Keyboard Controller PCB	1×	Keyboard controller PCB with debounce logic
3	Key Cap	84×	Molded ABS key caps, including numeric pad set
4	Key Spring	84×	Spring beneath each key providing tactile feedback

3D model

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Build & assembly graph

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Bill of materials for Keyboard Unit

4 top-level lines · 4 rows shown · 253 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Key Switch	rack-console-drawer-key-switches	84×	84	·	part
2	Keyboard Controller PCB	rack-console-drawer-key-matrix-pcb	1×	1	·	part
3	Key Cap	rack-console-drawer-key-caps	84×	84	·	part
4	Key Spring	rack-console-drawer-key-return-spring	84×	84	·	part

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Where the keyboard unit is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Computing & Peripherals 1 Rack Console Drawer

Used in 1 assembly

Rack Console Drawer

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
🇨🇳Shennan Circuits scc.com.cn ↗	Shenzhen, CN	PCB manufacturer	100 pcs	2–4 wks
🇮🇳Shogini Technoarts shogini.com ↗	Mumbai, IN	PCB manufacturer	100 pcs	2–4 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	100 pcs	2–4 wks