2 layers117.5 × 97.8 mm
Left
Ch3ru09/keyboardA
This is the repo where I keep all my Kicad files for the first keyboard I built from scratch
53 parts
2 layers117.5 × 97.8 mm
Right
Ch3ru09/keyboardAThis is the repo where I keep all my Kicad files for the first keyboard I built from scratch
- Size
- 117.5 × 97.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 53
- Nets
- 75
- Pads
- 311
- Tracks, vias
- 375, 67
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 25 May 2026
- Updated
- 17 Aug 2026
Overview
Right is an open-source printed circuit board by Ch3ru09, from the Ch3ru09/keyboardA repository on GitHub. It is a 2-layer board of 117.5 × 97.8 mm with 53 parts on 75 nets, routed with 375 tracks and 67 vias.
It is built around the FSUSB42MUX, SRV05-4 and XC6206P332MR, with the 1N4148W and SS14 among its other parts. Its parts include 18 diodes, 7 capacitors, 4 ICs, 3 resistors and 2 switches. It belongs with the STM32 boards of this library.
Main components
5
FSUSB42MUX
MSOP-10-40℃~+85℃ 12ns 13ns 2 250ps 2:1 3.7pF 3.9Ω 3V~4.4V 720MHz MSOP-10 Analog Switches, Multiplexers ROHSonsemiAnalog Switches, Multiplexers
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)
XC6206P332MR
SOT-23-40℃~+85℃@(Ta) 1 1uA 200mA 3.3V 6V Fixed Over Current Protection Positive SOT-23-3L Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTorex SemiconductorVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
1N4148W
SOD-123150mA 1A 1V@50mA 1uA@75V 400mW 4ns 75V Independent SOD-123 Switching Diodes ROHSSTMicroelectronicsSwitching Diodes
SS14
SMA(DO-214AC)-55℃~+150℃ 1A 25A 300uA@40V 40V 550mV@1A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
README
README.mdKeyboard A
Parts
53| Qty | Value | Footprint | References |
|---|---|---|---|
| 17 | 1N4148W | Diode_SMD:D_SOD-123 | D1, D2, D3, D4, D5, D6, D7, D8, D10, D11, D12, D13, D14, D15, D16, D17 +1 |
| 17 | Choc-Keyswitch | Keyswitches Marbastlib Choc:SW_choc_v1_HS_CPG135001S30_1u | KEY1, KEY2, KEY3, KEY4, KEY5, KEY6, KEY7, KEY8, KEY10, KEY11, KEY12, KEY13, KEY14, KEY15, KEY16, KEY17 +1 |
| 3 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C4, C5 |
| 3 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C6, C7 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3 |
| 1 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | 1A | Fuse:Fuse_1206_3216Metric | F2 |
| 1 | 4.7uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | FSUSB42MUX | Package_SO:MSOP-10_3x3mm_P0.5mm | U4 |
| 1 | SRV05-4 | Package_TO_SOT_SMD:SOT-23-6 | U2 |
| 1 | SS14 | Diode_SMD:D_SMA_Handsoldering | D18 |
| 1 | STM32G0B1CBTx | Package_QFP:LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_TS-1088-xR020 | SW1 |
| 1 | SW_SPDT | Button_Switch_SMD:SW_SPDT_PCM12 | SW2 |
| 1 | USB_C_Receptacle_OUT | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J2 |
| 1 | XC6206P332MR | Package_TO_SOT_SMD:SOT-23-3 | U3 |
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Questions
How big is the Right PCB?
It measures 117.5 × 97.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Right use?
53 parts, built around the FSUSB42MUX, SRV05-4, XC6206P332MR and 1N4148W. 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 Right KiCad files?
From the Ch3ru09/keyboardA repository on GitHub, at the commit this page was made from: the board is right/right.kicad_pcb and its schematic left/left.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Right design in my own project?
Its repository states no licence, so its author keeps all rights: ask Ch3ru09 before reusing the design.