Difference between revisions of "KEY64 251"
From PHCC
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== Schematic and Layout == | == Schematic and Layout == | ||
Board Schematic [[Media:Key64251sch.pdf]] | Board Schematic [[Media:Key64251sch.pdf]] | ||
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| + | Layout [[Media:Key64251layout.pdf]] | ||
== Bill of Materials == | == Bill of Materials == | ||
The BOM is here: no BOM yet | The BOM is here: no BOM yet | ||
Revision as of 02:10, 3 May 2009
KEY64D_251 Keymatrix Daughterboard
Features:
- 64 inputs
- one common wire for all 64 inputs
- one wire for each switch's second terminal
- no ghosting
- more wires, but wiring is easier to understand and track
- no figuring out which X-matrix-wire goes with which Y-matrix-wire (as you have to do with the other Keymatrix Daughterboards)
- connectors: pinheaders for IDC ribbon flat cables
- board size: 80x100mm (half euro size)
Schematic and Layout
Board Schematic Media:Key64251sch.pdf
Layout Media:Key64251layout.pdf
Bill of Materials
The BOM is here: no BOM yet