KBUltraMk1
About the KBUltraMk1 PCB
KBUltraMk1 is an open source PCB design by abinash18, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 310 × 125 mm, with 335 components from 26 distinct parts.
Other key parts include the DRV2605LDGS, BMI160, CR2013-MI2120 and AZ1117-3.3. By type, the board carries 88 capacitors, 77 LEDs, 77 diodes, 75 switches, 12 resistors and 4 ICs.
It belongs with the keyboards designs in this gallery.
From the project
The ultimate custom keyboard (for me).
Main components on the KBUltraMk1
KBUltraMk1 bill of materials (BOM)
335 components, 26 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | DRV2605LDGS | TSSOP-10_3x3mm_P0.5mm | U101 |
| 1 | BMI160 | Bosch_LGA-14_3x2.5mm_P0.5mm | U102 |
| 1 | CR2013-MI2120 | CR2013-MI2120 | U103 |
| 1 | AZ1117-3.3 | SOT-223-3_TabPin2 | U104 |
| 1 | Motor_DC_ALT | PinHeader_1x02_P2.54mm_Vertical | M101 |
| 1 | Conn_02x20_Top_Bottom | PinHeader_2x20_P2.54mm_Vertical | J101 |
| 60 | SW_SPST | SW_Hotswap_Kailh_MX_Plated_1.00u | SW201, SW202, SW203, SW204, SW205, SW206, SW207, SW208 +52 |
| 1 | SW_SPST | SW_Hotswap_Kailh_MX_Plated_2.00u | SW225 |
| 2 | SW_SPST | SW_Hotswap_Kailh_MX_Plated_1.50u | SW227, SW240 |
| 1 | SW_SPST | SW_Hotswap_Kailh_MX_Plated_1.75u | SW242 |
| 2 | SW_SPST | SW_Hotswap_Kailh_MX_Plated_2.25u | SW254, SW256 |
| 1 | SW_SPST | SW_Hotswap_Kailh_MX_Plated_2.75u | SW267 |
| 7 | SW_SPST | SW_Hotswap_Kailh_MX_Plated_1.25u | SW268, SW269, SW270, SW272, SW273, SW274, SW275 |
| 1 | SW_SPST | SW_Hotswap_Kailh_MX_Plated_6.25u | SW271 |
| 77 | SK6812MINI-E | LED_SK6812MINI-E_3.2x2.8mm_P1.5mm_ReverseMount | LED201, LED202, LED203, LED204, LED205, LED206, LED207, LED208 +69 |
| 2 | BLUE | LED_0603_1608Metric | D101, D103 |
| 75 | D | D_SOD-123 | D201, D202, D203, D204, D205, D206, D207, D208 +67 |
| 1 | 1u | C_0603_1608Metric | C101 |
| 1 | 10u | C_0805_2012Metric | C102 |
| 4 | 10u | C_0603_1608Metric | C103, C106, C107, C110 |
Show 6 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 79 | 100n | C_0603_1608Metric | C104, C111, C201, C202, C203, C204, C205, C206 +71 |
| 2 | 100u | CP_EIA-3528-21_Kemet-B_HandSolder | C105, C108 |
| 1 | 100n | C_0402_1005Metric | C109 |
| 7 | 10k | R_0603_1608Metric | R101, R102, R103, R104, R105, R106, R107 |
| 3 | 0R | R_0603_1608Metric | R108, R109, R110 |
| 2 | 500R | R_0603_1608Metric | R201, R202 |
KBUltraMk1 design files
The KiCad project lives in the abinash18/KBUltra repository on GitHub; these links point at the commit this page was built from.
KBUltraMk1: common questions
How big is the KBUltraMk1 PCB?
The KBUltraMk1 measures 310 × 125 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the KBUltraMk1?
335 components, from 26 distinct parts. The full bill of materials is listed on this page.
Where can I download the KBUltraMk1 design files?
From the abinash18/KBUltra repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the KBUltraMk1 design in my own project?
Yes, under the terms of its GPL-3.0 license, which abinash18 chose for the repository.
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