2 layers95.3 × 100 mm
Beyblock20
ChrisChrisLoLo/beyblock20
The magnetic, modular, 20-key macropad that can join together to form an ortholinear board
59 parts335GPL-3.0
2 layers228.6 × 100 mm
Mongus48
ChrisChrisLoLo/beyblock20335The magnetic, modular, 20-key macropad that can join together to form an ortholinear board
- Size
- 228.6 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 124
- Nets
- 87
- Pads
- 556
- Tracks, vias
- 748, 181
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 24 Jul 2022
- Updated
- 9 Feb 2023
Overview
Mongus48 is an open-source printed circuit board by ChrisChrisLoLo, from the ChrisChrisLoLo/beyblock20 repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 228.6 × 100 mm with 124 parts on 87 nets, routed with 748 tracks and 181 vias.
It is built around the 74HC595 and LL4148. Its parts include 51 switches, 49 diodes, 3 ICs, 2 resistors and 2 connectors. It belongs with the keyboards and input boards and the SAM D and SAM boards of this library.
Main components
2README
pcb/mongus48/README.mdPre-prototyping phase: do NOT print me
I still need to validate that the shift registers are working as expected
Parts
124| Qty | Value | Footprint | References |
|---|---|---|---|
| 49 | LL4148 | Diode_SMD:D_MiniMELF | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +33 |
| 39 | SW_SPST | keyswitches:Kailh_socket_MX | SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23, SW24, SW25, SW26, SW27, SW28 +23 |
| 12 | MountingHole | MountingHole:MountingHole_2.2mm_M2_DIN965 | H1, H2, H3, H4, H5, H6, H7, H8, H9, H10, H11, H12 |
| 12 | locked | keyswitches:Kailh_socket_MX | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12 |
| 2 | 74HC595 | Package_SO:SOP-16_3.9x9.9mm_P1.27mm | U2, U3 |
| 2 | R | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R2 |
| 2 | TRRS | Keebio-Parts:TRRS-PJ-320A | locked, U5 |
| 1 | C_Polarized_US | Capacitor_SMD:CP_Elec_6.3x7.7 | C1 |
| 1 | Conn_01x04_Female | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | Conn_01x04_Male | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | OLED | kbd:OLED_v2 | OL1 |
| 1 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | RSW1 |
| 1 | SeeeduinoXIAO | Seeeduino XIAO KICAD:Seeeduino XIAO-MOUDLE14P-2.54-21X17.8MM | U1 |
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Questions
How big is the Mongus48 PCB?
It measures 228.6 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Mongus48 use?
124 parts, built around the 74HC595 and LL4148. 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 Mongus48 KiCad files?
From the ChrisChrisLoLo/beyblock20 repository on GitHub, at the commit this page was made from: the board is pcb/mongus48/mongus48.kicad_pcb and its schematic pcb/beyblock20/beyblock20.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mongus48 design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).