2 layers437.9 × 148.2 mm
2 layers285.7 × 119.3 mm
Unit000
DerekLamb/Unit000Unit 0 inspired keyboard PCB
- Size
- 285.7 × 119.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 143
- Nets
- 54
- Pads
- 1,320
- Tracks, vias
- 2,212, 130
- Pours
- 8
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 18 Jul 2023
- Updated
- 18 Jul 2023
Overview
Unit000 is an open-source printed circuit board by DerekLamb, from the DerekLamb/Unit000 repository on GitHub. It is a 2-layer board of 285.7 × 119.3 mm with 143 parts on 54 nets, routed with 2,212 tracks and 130 vias.
It is built around the ATMEGA32U4-MU and WS2812B. Its parts include 14 resistors, 12 capacitors, 9 diodes, 9 switches and 7 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
2Parts
143| Qty | Value | Footprint | References |
|---|---|---|---|
| 59 | SW_Push | MyParts:CherryMX_Hotswap_SingleSide_Diode_NO_SILK | K_1, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW21, SW22, SW23, SW24, SW25 +43 |
| 7 | SW_Push | MyParts:CherryMX_Hotswap_SingleSide_NO_DIODE_NO_SILK | SW7, SW20, SW34, SW47, SW56, SW64, SW67 |
| 6 | 4.7k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R7, R9, R10, R11, R12 |
| 5 | Diode | MyParts:SMD_THT_DIODE_NOSILK | D1, D1, D1, D1, D1 |
| 4 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C7, C8 |
| 4 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R4, R5, R8 |
| 4 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C6, C9, C12 |
| 4 | 22 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R13, R14 |
| 4 | 22pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C5, C10, C11 |
| 4 | MountingHole | Stabilizer_Cherry_MX_2u | ST14, ST41, ST42, ST53 |
| 4 | WS2812B | MyParts:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm_NO_SILK | D1, D2, D3, D4 |
| 2 | 16MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering | Y1, Y2 |
| 2 | ATmega32U4-MU | Package_DFN_QFN:QFN-44-1EP_7x7mm_P0.5mm_EP5.2x5.2mm | U1, U2 |
| 2 | AudioJack4 | MyParts:TENSILITY_54-00176 | J1, J2 |
| 2 | Conn_01x06_Male | Connector_PinHeader_1.27mm:PinHeader_2x03_P1.27mm_Vertical_SMD | J3, J4 |
| 2 | MountingHole | Stabilizer_Cherry_MX_3u | ST58, ST59 |
| 2 | Polyfuse_Small | Fuse:Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder | F1, F2 |
| 2 | SW_Push | MyParts:PTS526_SKG15_SMTR2 LFS | SW1, SW2 |
| 2 | USB_C_Plug_USB2.0 | Connector_USB:USB_C_Receptacle_GCT_USB4085 | P1, P2 |
| 1 | Conn_01x03_Male | Connector_PinHeader_2.00mm:PinHeader_2x02_P2.00mm_Vertical_SMD | J5 |
| 1 | MXSocketDioded | MyParts:CherryMX_Hotswap_SingleSide_Diode_NO_SILK | GRV1 |
| 1 | Val** | MyParts:Finalized_Part2_2 | Ref** |
The 124 most common of 143 parts.
Questions
How big is the Unit000 PCB?
It measures 285.7 × 119.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Unit000 use?
143 parts, built around the ATMEGA32U4-MU and WS2812B. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Unit000 KiCad files?
From the DerekLamb/Unit000 repository on GitHub, at the commit this page was made from: the board is PCB/Unit000.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Unit000 design in my own project?
Its repository states no licence, so its author keeps all rights: ask DerekLamb before reusing the design.
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