2 layers87.2 × 59 mm
Reform2-trackball2
jackhumbert/reform
This is the main repository for the MNT Reform open source laptop.
67 parts1
2 layers275.9 × 117.8 mm
Reform2-keyboard3
jackhumbert/reform1This is the main repository for the MNT Reform open source laptop.
- Size
- 275.9 × 117.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 379
- Nets
- 220
- Pads
- 1,024
- Tracks, vias
- 2,085, 383
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 14 Apr 2023
- Updated
- 14 Apr 2023
Overview
Reform2-keyboard3 is an open-source printed circuit board by jackhumbert, from the jackhumbert/reform repository on GitHub. It is a 2-layer board of 275.9 × 117.8 mm with 379 parts on 220 nets, routed with 2,085 tracks and 383 vias.
It is built around the ATMEGA32U4-AU, TPS61185RGE and USBLC6-2SC6, with the MMDL914T1G(TP), 0ZCJ0075AF2E and B250-13-F(MS) among its other parts. Its parts include 162 diodes, 82 switches, 19 resistors, 13 capacitors and 5 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
9
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)
TPS61185RGE
VQFN-24-EP(4x4)-40℃~+85℃ 1% 25mA 38V 4.2V~24V 600kHz~2MHz 8 Boost Built-in DC-DC Over-Temperature Protection (OTP)、Short-Circuit Protection PWM VQFN-24-EP(4x4) LED Drivers ROHSTexas InstrumentsLED Drivers
USBLC6-2SC6
SOT-23-60.35pF、0.8pF 100nA 150W@8/20us 15V 2 5V 6A@8/20us 6V ESD SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSUMWESD And Surge Protection (TVS/ESD)
MMDL914T1G(TP)
SOD-323SOD-323 Switching Diodes ROHSTECH PUBLICSwitching Diodes
0ZCJ0075AF2E
1206-40℃~+85℃ 1.5A 100A 16V 290mΩ 600mW 750mA 8s 90mΩ 1206 Resettable Fuses ROHSBel FuseResettable Fuses
B250-13-F(MS)
SMBSchottky DiodesMSKSEMI
BZT52-B5V6J
SOD-1231 Independent 1uA@2V 40Ω 5.49V~5.71V 5.6V 590mW SOD-123 Zener Diodes ROHSNexperiaZener DiodesMH3
-Connector AccessoriesAmphenolMH4
-Connector AccessoriesAltech
README
README.mdMNT Reform
This is the main repository for the MNT Reform open source laptop.
For details, check out Finishing Reform and related articles.
Impressions
License
Copyright 2018-2020 MNT Research GmbH.
The following licenses are used in the project, unless specified differently in a particular subfolder:
- Schematics, PCBs: CERN-OHL-S v2
- Other documentation, artwork, photos and drawings that are not trademarks (see below): CC-BY-SA 4.0
- Software, firmware: Various. GPL 3.0 if not specified otherwise in the file/subdirectory.
The "MNT" and "MNT REFORM" logos are trademarks of MNT Research GmbH. You may not use these in derived works. The reason for this is that we cannot be responsible for regulatory issues with derived boards and we cannot support them. If someone sees an MNT brand on a product, it has to be clear that it comes from MNT Research and not from a third party.
Made With
MNT Reform Team
- Lukas F. Hartmann (mntmn) - Schematics, PCB
- Ana Dantas - Industrial Design
- Greta Melnik - Quality & Assembly, Sleeve
Credits and Contributions
- fully automated technologies - inrush limiter circuit
Parts
379| Qty | Value | Footprint | References |
|---|---|---|---|
| 81 | TP | TestPoint:TestPoint_Pad_1.0x1.0mm | TP1, TP10, TP11, TP12, TP13, TP14, TP15, TP16, TP17, TP18, TP19, TP20, TP21, TP22, TP23, TP24 +65 |
| 80 | Choc | keyswitches:PG1350 | SW1, SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23 +64 |
| 80 | MMDL914T1G | Diode_SMD:D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +64 |
| 80 | WLED | LED_SMD:LED_0603_1608Metric | D100, D101, D102, D103, D104, D105, D106, D107, D108, D109, D110, D111, D112, D113, D114, D115 +64 |
| 7 | 1uF | Capacitor_SMD:C_0603_1608Metric | C3, C5, C8, C9, C11, C12, C13 |
| 5 | 22 | Resistor_SMD:R_0603_1608Metric | R1, R2, R17, R18, R19 |
| 3 | 4.7k | Resistor_SMD:R_0603_1608Metric | R5, R6, R9 |
| 2 | 0 | Resistor_SMD:R_0603_1608Metric | R4, R15 |
| 2 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C4, C6 |
| 2 | 10k | Resistor_SMD:R_0603_1608Metric | R3, R16 |
| 2 | 18pF | Capacitor_SMD:C_0603_1608Metric | C1, C2 |
| 2 | 4.7uF | Capacitor_SMD:C_0603_1608Metric | C7, C10 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric | R13, R14 |
| 2 | MNT | reform2-keyboard:mntreform | GFX1, GFX2 |
| 1 | 0ZCJ0075AF2E | Resistor_SMD:R_1206_3216Metric | F1 |
| 1 | 10uH | reform2-keyboard:IND_SRP4020TA-150M | L1 |
| 1 | 16MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | 1M | Resistor_SMD:R_0603_1608Metric | R11 |
| 1 | 54.9K | Resistor_SMD:R_0603_1608Metric | R12 |
| 1 | 604K | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | 62K | Resistor_SMD:R_0603_1608Metric | R7 |
| 1 | 715K | Resistor_SMD:R_0603_1608Metric | R10 |
| 1 | ATMEGA32U4-AU | Housings_QFP:TQFP-44_10x10mm_Pitch0.8mm | U1 |
| 1 | AUX | Connector_FFC-FPC:Molex_200528-0040_1x04-1MP_P1.00mm_Horizontal | J3 |
| 1 | AVR-ISP-6 | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J5 |
| 1 | B250-13-F | Diode_SMD:D_SMB_Handsoldering | D83 |
| 1 | BLM18PG221SH1D | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | BZT52-B5V6J | Diode_SMD:D_SOD-123 | D164 |
| 1 | MCP1700-3302E_SOT23 | Package_TO_SOT_SMD:SOT-23 | U3 |
| 1 | MH1 | MountingHole:MountingHole_2.2mm_M2_Pad | H1 |
| 1 | MH2 | MountingHole:MountingHole_2.2mm_M2_Pad | H2 |
| 1 | MH3 | MountingHole:MountingHole_2.2mm_M2_Pad | H3 |
| 1 | MH4 | MountingHole:MountingHole_2.2mm_M2_Pad | H4 |
| 1 | MH5 | MountingHole:MountingHole_2.2mm_M2_Pad | H5 |
| 1 | MH6 | MountingHole:MountingHole_2.2mm_M2_Pad | H6 |
| 1 | MNT | footprints:mnt-reform-keyboard-r2-badge | GFX3 |
| 1 | RESET | Button_Switch_SMD:SW_Push_1P1T_NO_CK_KMR2 | SW83 |
| 1 | SW_DIP_x01 | Button_Switch_SMD:SW_DIP_SPSTx01_Slide_Omron_A6S-110x_W8.9mm_P2.54mm | SW84 |
| 1 | TPS61185 | Package_DFN_QFN:VQFN-24-1EP_4x4mm_P0.5mm_EP2.45x2.45mm | U2 |
| 1 | UART | Connector_JST:JST_PH_S4B-PH-SM4-TB_1x04-1MP_P2.00mm_Horizontal | J2 |
| 1 | USB | Connector_JST:JST_PH_S4B-PH-SM4-TB_1x04-1MP_P2.00mm_Horizontal | J1 |
| 1 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U4 |
| 1 | USB_C_Receptacle_USB2.0 | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J4 |
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Questions
How big is the Reform2-keyboard3 PCB?
It measures 275.9 × 117.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Reform2-keyboard3 use?
379 parts, built around the ATMEGA32U4-AU, TPS61185RGE, USBLC6-2SC6 and MMDL914T1G(TP). 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 Reform2-keyboard3 KiCad files?
From the jackhumbert/reform repository on GitHub, at the commit this page was made from: the board is reform2-keyboard3-pcb/reform2-keyboard3.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Reform2-keyboard3 design in my own project?
Its repository states no licence, so its author keeps all rights: ask jackhumbert before reusing the design.