CoquiKeyboard snapshot-21-9-2021
About the CoquiKeyboard snapshot-21-9-2021 PCB
CoquiKeyboard snapshot-21-9-2021 is an open source STM32 PCB design by coquizen, published on GitHub. It is a 2-layer board measuring 307.4 × 81.3 mm, with 149 components from 29 distinct parts.
Its main chip is the STM32F303-LQFP48, from the STM32 family. Other key parts include the USBLC6-2SC6 and MCP1700-3302E_SOT23. By type, the board carries 58 switches, 58 diodes, 3 ICs, 1 crystal, 1 connector and 1 fuse.
It belongs with the keyboards designs in this gallery.
From the project
Revision 2 of the Coqui Keyboard with STM32 MCU
Main components on the CoquiKeyboard snapshot-21-9-2021
CoquiKeyboard snapshot-21-9-2021 bill of materials (BOM)
149 components, 29 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32F303-LQFP48 STMicroelectronics | LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | USBLC6-2SC6 | SOT-23-6 | U2 |
| 1 | MCP1700-3302E_SOT23 | SOT-23 | U3 |
| 1 | 8MHz | Crystal_SMD_5032-4Pin_5.0x3.2mm | Y1 |
| 1 | TYPE-C-31-M12_13 Korean HRO | TYPE-C-31-M-12 | J1 |
| 5 | 100n | C_0805_2012Metric | CB1, CB2, CB3, CF1, CRO1 |
| 1 | 1u | C_0805_2012Metric | CB4 |
| 1 | 10n | C_0805_2012Metric | CB5 |
| 1 | 4.7u | C_0805_2012Metric | CB6 |
| 3 | 4.7n | C_0805_2012Metric | CRST1, CSH1, CUSB1 |
| 1 | 10u | C_0805_2012Metric | CRST2 |
| 2 | 22p | C_0805_2012Metric | CX1, CX2 |
| 1 | RB060M-60TR | D_SOD-123 | DF1 |
| 1 | 1N4148 | D_SOD-123 | DRST1 |
| 1 | 1N4007 | D_SOD-123 | DS1 |
| 1 | 1A trip polyfuse | Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder | F1 |
| 1 | DTC123J ROHM Semicon | SOT-23 | QRST1 |
| 2 | 5.1k | R_SMD_1206 | RCC1, RCC2 |
| 2 | 22R | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | RDN1, RDP1 |
| 1 | 1.5k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | RDPUp1 |
Show 9 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 100k | R_SMD_1206 | RF1, RRST1 |
| 1 | 1M | R_SMD_1206 | RSH1 |
| 1 | SW_Push | K2-1187SQ-A4SW-06 | SRST1 |
| 48 | MXSwitch | MX100H | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +40 |
| 6 | MXSwitch | MX125H | SW17, SW43, SW49, SW50, SW53, SW54 |
| 2 | MXSwitch | MX175H | SW29, SW32 |
| 1 | MXSwitch | MX225HR | SW51 |
| 1 | MXSwitch | MX275HR | SW52 |
| 58 | 1N4148 | D_SOD-123 | D1, D2, D3, D4, D5, D6, D7, D8 +50 |
CoquiKeyboard snapshot-21-9-2021 design files
The KiCad project lives in the coquizen/CoquiKeyboardRev2 repository on GitHub; these links point at the commit this page was built from.
CoquiKeyboard snapshot-21-9-2021: common questions
What microcontroller does the CoquiKeyboard snapshot-21-9-2021 use?
The CoquiKeyboard snapshot-21-9-2021 is built around the STM32F303-LQFP48, from the STM32 family.
How big is the CoquiKeyboard snapshot-21-9-2021 PCB?
The CoquiKeyboard snapshot-21-9-2021 measures 307.4 × 81.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the CoquiKeyboard snapshot-21-9-2021?
149 components, from 29 distinct parts. The full bill of materials is listed on this page.
Where can I download the CoquiKeyboard snapshot-21-9-2021 design files?
From the coquizen/CoquiKeyboardRev2 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the CoquiKeyboard snapshot-21-9-2021 design in my own project?
The repository has no license, so all rights stay with coquizen. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the CoquiKeyboard snapshot-21-9-2021 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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