KeyModule-R
About the KeyModule-R PCB
KeyModule-R is an open source PCB design by cho45, published on GitHub. It is a 2-layer board measuring 195 × 148 mm, with 100 components from 6 distinct parts.
Other key parts include the MCP23017. By type, the board carries 1 IC, 1 connector and 1 capacitor.
It belongs with the keyboards designs in this gallery.
From the project
Keyboard project
Open Root.sch for viewing overall schematic.
BLE Nano (nRF51288) MCP23017 (I2C GPIO) * Gateron Switches (Cherry MX compatible)
https://developer.mbed.org/users/cho45/code/keyboard/
Main components on the KeyModule-R
KeyModule-R bill of materials (BOM)
100 components, 6 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP23017 | DIP-28_W7.62mm_LongPads | U1 |
| 1 | RJ45 | RJ45-7810-XPXC | J2 |
| 1 | CONN_01X06 | Socket_Strip_Straight_1x06 | CONBUS2 |
| 48 | D | Diode_DO-35_SOD27_Horizontal_RM10 | D_41, D_R1, D_R2, D_R3, D_R4, D_R6, D_R10, D_R11 +40 |
| 48 | SW_PUSH | MX1A | SW_64, SW_R1, SW_R2, SW_R3, SW_R4, SW_R6, SW_R10, SW_R11 +40 |
| 1 | 0.1u | C_Rect_L4_W2.5_P2.5 | C2 |
KeyModule-R design files
The KiCad project lives in the cho45/Keble repository on GitHub; these links point at the commit this page was built from.
- LayoutKeyModule-R.kicad_pcb
KeyModule-R: common questions
How big is the KeyModule-R PCB?
The KeyModule-R measures 195 × 148 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the KeyModule-R?
100 components, from 6 distinct parts. The full bill of materials is listed on this page.
Where can I download the KeyModule-R design files?
From the cho45/Keble repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the KeyModule-R design in my own project?
The repository has no license, so all rights stay with cho45. Use it as a reference, and ask the author before reusing the design.
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