2 layers361 × 127.9 mm
Trifecta
swiftrax/Trifecta
Open source Alice like mechanical keyboard with arrow keys and support of up to 3 rotary encoders
286 parts32GPL-2.0
2 layers361 × 120.7 mm
Trifecta
swiftrax/Trifecta32Open source Alice like mechanical keyboard with arrow keys and support of up to 3 rotary encoders
- Size
- 361 × 120.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 156
- Nets
- 113
- Pads
- 615
- Tracks, vias
- 879, 38
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20200119)
- Created
- 14 Apr 2020
- Updated
- 7 Feb 2021
Overview
Trifecta is an open-source printed circuit board by swiftrax, from the swiftrax/Trifecta repository on GitHub, published under the GPL-2.0 licence. It is a 2-layer board of 361 × 120.7 mm with 156 parts on 113 nets, routed with 879 tracks and 38 vias.
It is built around the ATMEGA32U4-AU and SRV05-4. Its parts include 6 resistors, 5 capacitors, 4 switches, 2 ICs and 1 connector. It belongs with 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)
SRV05-4
SOT-23-6L-55℃~+150℃ 15V 1pF 4A 5V 5uA 6V 80W ESD Four channels IEC 61000-4-2、IEC 61000-4-5 Unidirectional SOT-23-6L ESD and Surge Protection (TVS/ESD) ROHShongjiachengESD And Surge Protection (TVS/ESD)
README
README.mdTrifecta
A 65% Alice with per key RGB, RGB backlighting and 3 rotary encoders. Designed by 2Moons-JP and swiftrax
Render
Proto Image
License
This repository is under the GNU GPL V2 license. If you plan to sell these pcbs, make sure to read it.
Parts
156| Qty | Value | Footprint | References |
|---|---|---|---|
| 69 | D | Diode_SMD:D_SOD-123 | D_1, D_2, D_10, D_11, D_12, D_13, D_14, D_15, D_16, D_17, D_18, D_19, D_20, D_21, D_22, D_23 +53 |
| 51 | KEYSW | MX_Only:MXOnly-1U-NoLED | K_1, K_2, K_10, K_11, K_12, K_13, K_17, K_18, K_19, K_20, K_21, K_22, K_23, K_24, K_25, K_26 +35 |
| 7 | KEYSW | MX_Only:MXOnly-1.25U-NoLED | K_31, K_60, K_61, K_62, K_65, K_66, K_67 |
| 3 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C2, C3, C4 |
| 3 | KEYSW | MX_Only:MXOnly-2.25U-ReversedStabilizers-NoLED | K_44, K_46, K_64 |
| 3 | Rotary_Encoder_Switch | Keebio-Parts:RotaryEncoder_EC11 | SW2, SW3, SW4 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric | R1, R6 |
| 2 | 22 | Resistor_SMD:R_0805_2012Metric | R4, R5 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric | R2, R3 |
| 2 | KEYSW | MX_Only:MXOnly-1.75U-NoLED | K_32, K_58 |
| 2 | KEYSW | MX_Only:MXOnly-1.5U-NoLED | K_16, K_29 |
| 1 | 10uF | Capacitor_SMD:C_0805_2012Metric | C5 |
| 1 | 16MHz | proj_local:Resonator_SMD_muRata_CSTxExxV-3Pin_3.0x1.1mm_HandSoldering_Compact | Y1 |
| 1 | 1uF | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | 500mA | Fuse:Fuse_1206_3216Metric | F1 |
| 1 | ATmega32U4-AU | Package_QFP:TQFP-44_10x10mm_P0.8mm | U1 |
| 1 | KEYSW | MX_Only:MXOnly-2U-ReversedStabilizers-NoLED | K_14 |
| 1 | KEYSW | MX_Only:MXOnly-2.75U-ReversedStabilizers-NoLED | K_63 |
| 1 | SRV05-4 | Package_TO_SOT_SMD:SOT-23-6 | U2 |
| 1 | SW_Push | random-keyboard-parts:SKQG-1155865 | SW1 |
| 1 | USB2_C_Receptacle | usb-type-c:Mid_Mount-USB_C_HandSoldering | J1 |
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Open source Alice like mechanical keyboard with arrow keys and support of up to 3 rotary encoders
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Open source Alice like mechanical keyboard with arrow keys and support of up to 3 rotary encoders
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Questions
How big is the Trifecta PCB?
It measures 361 × 120.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Trifecta use?
156 parts, built around the ATMEGA32U4-AU and SRV05-4. 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 Trifecta KiCad files?
From the swiftrax/Trifecta repository on GitHub, at the commit this page was made from: the board is Hardware/PCB_Archived/Rev 0.1 NON RGB/trifecta.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Trifecta design in my own project?
Its repository publishes it under the GPL-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).