Keyboard Assembly
AssemblyA matrix of mechanical or membrane switches labeled 0–9, +, −, ×, ÷, =, and special function keys (memory, clear, print). A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Keyboard Assembly
6 top-level lines as of r133425| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Number Pad | printing-calculator-numeric-keys | 1× | 1 | · | part |
| 2 | Math Operation Keys | printing-calculator-operation-keys | 1× | 1 | · | part |
| 3 | Function Button Set | printing-calculator-function-keys | 1× | 1 | · | part |
| 4 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 5 | Connector | connector | 1× | 1 | · | part |
| 6 | Fastener Set | fastener-set | 1× | 1 | · | part |