2 layers99.7 × 99.8 mm
2 layers98.7 × 99.4 mm
Split mini left
tamago324/split-mini836 key split keyboard
- Size
- 98.7 × 99.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 37
- Nets
- 43
- Pads
- 234
- Tracks, vias
- 564, 55
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 17 Sep 2022
- Updated
- 6 Feb 2023
Overview
Split mini left is an open-source printed circuit board by tamago324, from the tamago324/split-mini repository on GitHub. It is a 2-layer board of 98.7 × 99.4 mm with 37 parts on 43 nets, routed with 564 tracks and 55 vias.
It is built around the ATMEGA32U4-AU and SKRPACE010. Its parts include 18 switches, 7 capacitors, 6 resistors, 2 connectors and 1 IC. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
2
ATMEGA32U4-AU
QFP-44(10x10)-40℃~+85℃ 10bit 16MHz 1KB 2.5KB 2.7V~5.5V 26 32KB 8 Bit AVR Built-in FLASH QFP-44(10x10) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
SKRPACE010
SMD-4P,4.2x3.2mm-30℃~+85℃ 16V 2.5mm 2.6N 3.2mm 4.2mm 50,000 cycles 50mA J-Lead Oval button SPST-NO Surface Mount,Vertical SMD-4P,4.2x3.2mm Tactile Switches ROHSALPSALPINETactile Switches
README
README.mdParts
37| Qty | Value | Footprint | References |
|---|---|---|---|
| 18 | SW_Push | split mini:CherryMX_Hotswap | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18 +2 |
| 3 | 0.1μF | Capacitor_SMD:C_0805_2012Metric | C2, C3, C4 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric | R5, R6 |
| 2 | 22 | Resistor_SMD:R_0805_2012Metric | R3, R4 |
| 2 | 22pF | Capacitor_SMD:C_0805_2012Metric | C6, C7 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 1 | 10μF | Capacitor_SMD:C_0805_2012Metric | C5 |
| 1 | 16MHz | Crystal:Crystal_SMD_SeikoEpson_FA238-4Pin_3.2x2.5mm_HandSoldering | Y1 |
| 1 | 1μF | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | 500mA | Fuse:Fuse_1206_3216Metric | F1 |
| 1 | ATmega32U4-A | Package_QFP:LQFP-44_10x10mm_P0.8mm | U1 |
| 1 | MJ-4PP-9 | split mini:MJ-4PP-9_1side | J2 |
| 1 | SKRPACE010 | nosuz:SKRPAxE010 | RESET1 |
| 1 | USB_C_Receptacle_USB2.0 | split mini:USB_C_Receptacle_Neltron_5077CR-16SMC2 | J1 |
Questions
How big is the Split mini left PCB?
It measures 98.7 × 99.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Split mini left use?
37 parts, built around the ATMEGA32U4-AU and SKRPACE010. 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 Split mini left KiCad files?
From the tamago324/split-mini repository on GitHub, at the commit this page was made from: the board is rev0.5/pcb/split-mini__left.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Split mini left design in my own project?
Its repository states no licence, so its author keeps all rights: ask tamago324 before reusing the design.
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