2 layers113.8 × 68.7 mm
2 layers134.4 × 30.4 mm
Keyboard
jaylin0131/Module-keyboard- Size
- 134.4 × 30.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 166
- Nets
- 143
- Pads
- 902
- Tracks, vias
- 378, 0
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 18 Aug 2025
- Updated
- 18 Aug 2025
Overview
Keyboard is an open-source printed circuit board by jaylin0131, from the jaylin0131/Module-keyboard repository on GitHub. It is a 2-layer board of 134.4 × 30.4 mm with 166 parts on 143 nets, routed with 378 tracks and 0 vias.
It is built around the BQ24075RGT, SRV05-4 and BLM15PX121SN1D11, with the BSD3C051V among its other parts. Its parts include 12 resistors, 7 capacitors, 5 switches, 4 ICs and 4 connectors. It belongs with the keyboards and input boards and the nRF52 and nRF5x boards of this library.
Main components
4
BQ24075RGT
QFN-16-EP(3x3)-40℃~+125℃ 1.5A 4.2V 4.35V~6.4V 6.5uA Charging IC Lithium Battery Not supported Support QFN-16-EP(3x3) Battery Management ROHSTexas InstrumentsBattery Management
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)
BLM15PX121SN1D11
04020402 Ferrite Beads ROHSMurataFerrite Beads
BSD3C051V
SOD-32316A@8/20us 1uA 20V 350W@8/20us 5V 60pF 6V Bidirectional IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 Single-channel TVS SOD-323 ESD and Surge Protection (TVS/ESD) ROHSBORNESD And Surge Protection (TVS/ESD)
Parts
166| Qty | Value | Footprint | References |
|---|---|---|---|
| 64 | D | Diode_SMD:D_SOD-123 | D_1, D_2, D_10, D_11, D_12, D_13, D_14, D_15, D_16, D_17, D_18, D_19, D_20, D_21, D_22, D_23 +48 |
| 64 | KEYSW | key-switches.pretty-0.11.0:SW_MX_HotSwap_PTH | K_1, K_2, K_10, K_11, K_12, K_13, K_14, K_15, K_16, K_17, K_18, K_19, K_20, K_21, K_22, K_23 +48 |
| 3 | 4u7 | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5, C6, C7 |
| 2 | 100n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C4 |
| 2 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R8, R11 |
| 2 | 1k5 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6, R9 |
| 2 | 1u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C3 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
| 2 | BLM15PX121SN1D | Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L1, L2 |
| 2 | MX_stab | PCM_marbastlib-mx:STAB_MX_P_2.25u | S42, S53 |
| 1 | 100R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R10 |
| 1 | 100k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12 |
| 1 | 2M | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4 |
| 1 | 2N7002 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | 3k9 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5 |
| 1 | 47k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7 |
| 1 | 750 mA | Fuse:Fuse_0805_2012Metric_Pad1.15x1.40mm_HandSolder | F1 |
| 1 | 806k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3 |
| 1 | BQ24075RGT | Package_DFN_QFN:VQFN-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm | U4 |
| 1 | BSD3C051V | Diode_SMD:D_SOD-323 | D1 |
| 1 | HRO Type-C-31-M-12 | PCM_marbastlib-various:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J2 |
| 1 | JST | Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal | J4 |
| 1 | MX_stab | PCM_marbastlib-mx:STAB_MX_P_6.25u | S59 |
| 1 | PWP | PCM_marbastlib-various:SW_MSK12C02-HB | SW2 |
| 1 | RST | Button_Switch_SMD:SW_Push_1P1T_NO_CK_KMR2 | SW1 |
| 1 | SRV05-4 | PCM_marbastlib-various:SOT-23-6-routable | U2 |
| 1 | SSD1306 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | TC2030_SWD | PCM_marbastlib-various:CON_TC2030_outlined | J3 |
| 1 | XC6206PxxxMR | Package_TO_SOT_SMD:SOT-23-3 | U3 |
| 1 | nRF52840_holyiot_18010 | PCM_marbastlib-various:nRF52840_holyiot_18010 | U1 |
| 1 | orange | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D2 |
Questions
How big is the Keyboard PCB?
It measures 134.4 × 30.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Keyboard use?
166 parts, built around the BQ24075RGT, SRV05-4, BLM15PX121SN1D11 and BSD3C051V. 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 Keyboard KiCad files?
From the jaylin0131/Module-keyboard repository on GitHub, at the commit this page was made from: the board is keyboard.kicad_pcb and its schematic keyboard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Keyboard design in my own project?
Its repository states no licence, so its author keeps all rights: ask jaylin0131 before reusing the design.
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