

Keyboard
Collection of PCB design for personal projects
- Size
- 228.6 × 79.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 117
- Nets
- 98
- Pads
- 552
- Tracks, vias
- 561, 65
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 2 Aug 2024
- Updated
- 13 Aug 2024
Overview
Keyboard is an open-source printed circuit board by 3sculape, from the 3sculape/pcb-design repository on GitHub. It is a 2-layer board of 228.6 × 79.8 mm with 117 parts on 98 nets, routed with 561 tracks and 65 vias.
It is built around the STM32F072CBT6, AMS1117-3.3 and USBLC6-2P6. Its parts include 49 switches, 47 diodes, 11 capacitors, 3 resistors and 3 ICs. It belongs with the keyboards and input boards and the STM32 boards of this library.
Main components
3STM32F072CBT6
LQFP-48(7x7)-40℃~+85℃ 1.65V~3.6V 128KB 12bit 12bit 16KB 32 Bit 37 48MHz ARM Cortex-M0 Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsUSBLC6-2P6
SOT-666-6-40℃~+125℃ 150nA 17V 2 3.5pF 5.25V 5A@8/20us 6V ESD IEC 61000-4-2 Unidirectional SOT-666-6 ESD and Surge Protection (TVS/ESD) ROHSSTMicroelectronicsESD And Surge Protection (TVS/ESD)
Parts
117| Qty | Value | Footprint | References |
|---|---|---|---|
| 47 | D | Diode_SMD:D_SOD-123 | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +31 |
| 47 | Keyswitch | PCM_Switch_Keyboard_Hotswap_Kailh:SW_Hotswap_Kailh_MX | SW1, SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23 +31 |
| 5 | 100n | Capacitor_SMD:C_0603_1608Metric | C0, C5, C6, C7, C8 |
| 2 | 10n | Capacitor_SMD:C_0603_1608Metric | C9, C10 |
| 2 | 5k1 | Resistor_SMD:R_0603_1608Metric | R1, R2 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 10u | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | 1u | Capacitor_SMD:C_0603_1608Metric | C11 |
| 1 | 22u | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 4u7 | Capacitor_SMD:C_0603_1608Metric | C4 |
| 1 | 500m | Fuse:Fuse_0603_1608Metric | F1 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | FerriteBead | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | STM32F072CBT6 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U2 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_SKQG_WithStem | SW50 |
| 1 | SW_SPDT | Button_Switch_SMD:SW_SPDT_PCM12 | SW49 |
| 1 | USBLC6-2P6 | Package_TO_SOT_SMD:SOT-666 | U1 |
| 1 | USB_C_Receptacle_USB2.0_16P | Connector_USB:USB_C_Receptacle_XKB_U262-16XN-4BVC11 | J1 |
The 116 most common of 117 parts.
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Questions
How big is the Keyboard PCB?
It measures 228.6 × 79.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Keyboard use?
117 parts, built around the STM32F072CBT6, AMS1117-3.3 and USBLC6-2P6. 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 3sculape/pcb-design repository on GitHub, at the commit this page was made from: the board is keyboard/keyboard.kicad_pcb and its schematic keyboard/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 3sculape before reusing the design.