Laptreus v2.2-backup
About the Laptreus v2.2-backup PCB
Laptreus v2.2-backup is an open source AVR/Arduino PCB design by kitsunekeyboards, published on GitHub under the MIT license. It is a 2-layer board measuring 285 × 95.1 mm, with 121 components from 65 distinct parts.
Its main chip is the ATMEGA32U4, from the AVR/Arduino family. Other key parts include the PRTR5V0U2X. By type, the board carries 48 switches, 48 diodes, 7 resistors, 5 capacitors, 3 jumpers and 2 ICs.
It belongs with the keyboards designs in this gallery.
From the project
Home of the Shapeshifter 4060 keyboard
Main components on the Laptreus v2.2-backup
Laptreus v2.2-backup bill of materials (BOM)
121 components, 65 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATMEGA32U4 | TQFP-44_10x10mm_P0.8mm | IC1 |
| 1 | PRTR5V0U2X | SOT-143_With_Adhesive | U6 |
| 1 | 8MHz | RESONATOR-SMD | Y1 |
| 1 | HRO-TYPE-C-31-M-12 | HRO-TYPE-C-31-M-12 | J1 |
| 1 | Conn_01x04 | JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J2 |
| 1 | BoardOutline | 60-percent-plus-tofu | BOARD1 |
| 1 | Polyfuse | Fuse_1812_4532Metric | F1 |
| 3 | PINHD-1X1CB | 1X01-CLEANBIG | JP1, JP2, JP3 |
| 1 | TAB | Kailh_Socket_With_Diode_No_Diode_Trace | SW1 |
| 1 | Q | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW2 |
| 1 | W | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW3 |
| 1 | E | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW4 |
| 1 | R | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW5 |
| 1 | T | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW6 |
| 1 | Y | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW7 |
| 1 | U | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW8 |
| 1 | I | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW9 |
| 1 | O | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW10 |
| 1 | P | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW11 |
| 1 | BKSP | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW12 |
Show 45 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESC | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW13 |
| 1 | A | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode_No_Diode_Trace | SW14 |
| 1 | S | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW15 |
| 1 | D | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW16 |
| 1 | F/LOWER | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW17 |
| 1 | G | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW18 |
| 1 | H | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW19 |
| 1 | J/RAISE | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW20 |
| 1 | K | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW21 |
| 1 | L | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW22 |
| 1 | ; | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode_No_Diode_Trace | SW23 |
| 1 | " | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode_No_Diode_Trace | SW24 |
| 1 | SHIFT | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode_No_Diode_Trace | SW25 |
| 1 | Z | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW26 |
| 1 | X | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW27 |
| 1 | C | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW28 |
| 1 | V | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW29 |
| 1 | B | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW30 |
| 1 | N | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW31 |
| 1 | M | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW32 |
| 1 | , | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW33 |
| 1 | . | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW34 |
| 1 | / | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW35 |
| 1 | ENTER | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode_No_Diode_Trace | SW36 |
| 1 | HYPER | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW37 |
| 1 | CTRL/GRV | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW38 |
| 1 | ALT/TAB | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW39 |
| 1 | CMD | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW40 |
| 1 | SHIFT | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW41 |
| 1 | BKSP/LIFT | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW42 |
| 1 | ENTER/LIFT | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW43 |
| 1 | SPACE | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW44 |
| 1 | LEFT | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW45 |
| 1 | DOWN | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW46 |
| 1 | UP | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW47 |
| 1 | RIGHT | Hybrid_Kailh_MX_Choc_Socket_Through_Hole_With_Diode | SW48 |
| 1 | SWITCH_PUSH | SW_SPST_B3U-1000P | SW_RESET1 |
| 1 | SWITCH_PUSH | Kailh_Socket_With_Diode_No_Diode_Trace | SW_RESET2 |
| 48 | DIODE | D_SOD-323_With_Adhesive | D1, D2, D3, D4, D5, D6, D7, D8 +40 |
| 1 | YELLOW | LED_0603_1608Metric_Castellated | L1 |
| 4 | 1µF | Capacitor-0805MP | C2, C4, C5, C7 |
| 1 | 10µF | Capacitor-0805MP | C3 |
| 3 | 1K | R_0603_1608Metric_With_Adhesive | R1, R10, R13 |
| 2 | 22 | R_0603_1608Metric_With_Adhesive | R8, R9 |
| 2 | 5.1K | R_0603_1608Metric_With_Adhesive | R11, R12 |
Laptreus v2.2-backup design files
The KiCad project lives in the kitsunekeyboards/shapeshifter4060 repository on GitHub; these links point at the commit this page was built from.
Laptreus v2.2-backup: common questions
What microcontroller does the Laptreus v2.2-backup use?
The Laptreus v2.2-backup is built around the ATMEGA32U4, from the AVR/Arduino family.
How big is the Laptreus v2.2-backup PCB?
The Laptreus v2.2-backup measures 285 × 95.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Laptreus v2.2-backup?
121 components, from 65 distinct parts. The full bill of materials is listed on this page.
Where can I download the Laptreus v2.2-backup design files?
From the kitsunekeyboards/shapeshifter4060 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Laptreus v2.2-backup design in my own project?
Yes, under the terms of its MIT license, which kitsunekeyboards chose for the repository.
Can I test firmware for the Laptreus v2.2-backup without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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285 × 95.1 mm123 parts2LMIT1
Laptreus v3
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Attempt2
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Attempt1
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