4 layers90 × 100 mm
2 layers72 × 59 mm
Simple OSU! keypad
- Size
- 72 × 59 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 61
- Nets
- 67
- Pads
- 266
- Tracks, vias
- 381, 50
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 10 Feb 2022
- Updated
- 11 Mar 2025
Overview
Muon is an open-source printed circuit board by Dekanova, from the Dekanova/muon-kbd repository on GitHub. It is a 2-layer board of 72 × 59 mm with 61 parts on 67 nets, routed with 381 tracks and 50 vias.
It is built around the RP2040, W25Q80DVSSIG and SRV05-4, with the TLV75533PDBVR-MS, SK6812MINI-E and TS-1187A-B-A-B among its other parts. Its parts include 23 capacitors, 10 resistors, 7 switches, 6 diodes and 4 ICs. It belongs with the RP2040 boards of this library.
Main components
7
RP2040
LQFN-56(7x7)12bit 133MHz 30 LQFN-56(7x7) Microcontrollers (MCU/MPU/SOC) ROHSRaspberry PiMicrocontrollers (MCU/MPU/SOC)
W25Q80DVSSIG
SOIC-8-208mil-40℃~+85℃ 100,000 cycles 104MHz 10uA 2.7V~3.6V 20 Years 8Mbit SPI SOIC-8-208mil NOR FLASH ROHSWinbond ElecNOR FLASH
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)
TLV75533PDBVR-MS
SOT-23-5SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMSKSEMIUncategorised
SK6812MINI-E
SMD-40℃~+85℃ 0.6mA 1.78mm 120mcd~240mcd 120° 160mcd~320mcd 1kHz 2.8mm 2000V 3.2mm 3.7V~5.5V 460nm~470nm 515nm~525nm 620nm~625nm 800Kbit/s 815mcd~1275mcd Semi-transparent lens SMD RGB LEDs(Built-in IC) ROHSOPSCO OptoelectronicsRGB LEDs(Built-In IC)
TS-1187A-B-A-B
SMD-4P,5.1x5.1mm-30℃~+85℃ 1.5mm 1.6N 100,000 cycles 12V 5.1mm 5.1mm 50mA Gold No Round Button SPST Surface Mount,Vertical Without Bracket SMD-4P,5.1x5.1mm Tactile Switches ROHSXKB ConnectionTactile Switches
WS2812B
5mm X 5mm Surface Mount RGB LED with Intelligent ControlWorldsemiUncategorised
README
README.mdA smol and simple osu keypad
This is the Muon PCB.
Details
Firmware for this board can be found here https://github.com/Dekanova/muon-firmware. ROM flash is pretty big and should be able to fit whatever you want on it.
Feel free to make a PR if you get other firmware working on this board!
Features
- RP2040 (easy firmware changes)
- hybrid MX/low profile choc hotswap socket
- rgb keyglow & underglow
- usb-c
Usage
TODO: once hybrid keyswitch gen is merged, move from local reference
- Kicad 6.0
- openinput library from kicad content&lib manager
Images (last updated: v0.6)
A huge thanks to openinput for their generic KiCad lib.
Also thanks to marbastlib for their component lib.
This project is licenced under CERN Open Hardware Licence v2 - Strongly Reciprocal see usage guide for more info
Parts
61| Qty | Value | Footprint | References |
|---|---|---|---|
| 17 | 100nF | Capacitor_SMD:C_0402_1005Metric | C4, C6, C7, C8, C10, C11, C13, C14, C15, C16, C17, C18, C19, C21, C22, C23 +1 |
| 4 | , , , | ||
| 4 | 1uF | Capacitor_SMD:C_0402_1005Metric | C2, C3, C12, C20 |
| 3 | Kailh Hotswap | local-hybrid:SW_Hotswap_Hybrid_1.00u | SW1, SW2, SW7 |
| 3 | SK6812MINI-E | marbastlib-various:LED_6028R | LED1, LED2, LED3 |
| 3 | TS-1187A-B-A-B | button:SW_TS-1187A-B-A-B | S1, S2, S3 |
| 2 | 10k | Resistor_SMD:R_0402_1005Metric | R8, R9 |
| 2 | 220 | Resistor_SMD:R_0402_1005Metric | R2, R5 |
| 2 | 27 | Resistor_SMD:R_0402_1005Metric | R6, R7 |
| 2 | 5.1k | Resistor_SMD:R_0402_1005Metric | R3, R4 |
| 2 | 5pF | Capacitor_SMD:C_0402_1005Metric | C1, C5 |
| 2 | WS2812B | LED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D1, D2 |
| 1 | 1M | Resistor_SMD:R_0402_1005Metric | R10 |
| 1 | 1k | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | 500mA | Fuse:Fuse_0402_1005Metric | F1 |
| 1 | BLM18HE152SN1D | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | Crystal_GND24_Small | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | Debug Pins | Connector:Tag-Connect_TC2030-IDC-NL_2x03_P1.27mm_Vertical | J1 |
| 1 | G*** | kibuzzard-63718440 | kibuzzard-63718440 |
| 1 | G*** | kibuzzard-63718431 | kibuzzard-63718431 |
| 1 | RP2040 | rp2040:QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U3 |
| 1 | Reset | Button_Switch_SMD:SW_SPST_PTS810 | SW3 |
| 1 | SRV05-4 | marbastlib-various:SOT-23-6-routable | U1 |
| 1 | STATUS LED | LED_SMD:LED_0402_1005Metric | D3 |
| 1 | TLV75533PDBVR | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | USB_C_Receptacle_USB2.0 | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J2 |
| 1 | W25Q80DVSSIG | kicad-w25q-library:W25Q_SOIC-8 | U4 |
Questions
How big is the Muon PCB?
It measures 72 × 59 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Muon use?
61 parts, built around the RP2040, W25Q80DVSSIG, SRV05-4 and TLV75533PDBVR-MS. 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 Muon KiCad files?
From the Dekanova/muon-kbd repository on GitHub, at the commit this page was made from: the board is pcb/muon.kicad_pcb and its schematic pcb/muon.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Muon design in my own project?
Its repository states no licence, so its author keeps all rights: ask Dekanova before reusing the design.
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