4 layers62.8 × 53.3 mm
4 layers18.6 × 24.9 mm
Whirl
dotcypress/whirl- Size
- 18.6 × 24.9 mm
- Copper layers
- 4
- Thickness
- 1.71 mm
- Parts
- 22
- Nets
- 36
- Pads
- 108
- Tracks, vias
- 284, 34
- Pours
- 146
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 12 Mar 2023
- Updated
- 26 Mar 2023
Overview
Whirl is an open-source printed circuit board by dotcypress, from the dotcypress/whirl repository on GitHub. It is a 4-layer board of 18.6 × 24.9 mm with 22 parts on 36 nets, routed with 284 tracks and 34 vias.
It is built around the STSPIN230. Its parts include 7 capacitors, 5 connectors, 4 resistors, 2 ICs and 1 diode. It belongs with the STM32 boards of this library.
Main components
1Parts
22| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100nF | Capacitor_SMD:C_0603_1608Metric | C2, C3, C6, C7 |
| 3 | 10KΩ | Resistor_SMD:R_0603_1608Metric | R1, R2, R4 |
| 2 | 190Ω | Resistor_SMD:R_Array_Convex_4x0603 | RN1, RN2 |
| 2 | 4.7uF | Capacitor_SMD:C_0603_1608Metric | C1, C5 |
| 1 | 0.3Ω | Resistor_SMD:R_1206_3216Metric | R3 |
| 1 | 22uF | Capacitor_SMD:C_1210_3225Metric | C4 |
| 1 | Encoder | Connector_JST:JST_SH_SM05B-SRSS-TB_1x05-1MP_P1.00mm_Horizontal | J2 |
| 1 | MOTOR | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | Power | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J4 |
| 1 | QWIIC | Connector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J1 |
| 1 | STATUS | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | STM32C011F4Ux | Package_DFN_QFN:ST_UFQFPN-20_3x3mm_P0.5mm | U1 |
| 1 | STSPIN230 | Package_DFN_QFN:VQFN-16-1EP_3x3mm_P0.5mm_EP1.8x1.8mm | U2 |
| 1 | TagConnect | Connector:Tag-Connect_TC2030-IDC-NL_2x03_P1.27mm_Vertical | J3 |
The 21 most common of 22 parts.
Questions
How big is the Whirl PCB?
It measures 18.6 × 24.9 mm and has 4 copper layers, 1.71 mm thick.
What parts does the Whirl use?
22 parts, built around the STSPIN230. 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 Whirl KiCad files?
From the dotcypress/whirl repository on GitHub, at the commit this page was made from: the board is whirl.kicad_pcb and its schematic whirl.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Whirl design in my own project?
Its repository states no licence, so its author keeps all rights: ask dotcypress before reusing the design.
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