2 layers61.8 × 48.5 mm
2 layers29.4 × 10.2 mm
EFM8 bug
kubabuda/EFM8_bugSmall breakout board, to comfortably use EFM8BB01F8G and try out USB-C pcb connector
- Size
- 29.4 × 10.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 12
- Nets
- 23
- Pads
- 70
- Tracks, vias
- 182, 16
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 7 Jan 2023
- Updated
- 7 Jan 2023
Overview
EFM8 bug is an open-source printed circuit board by kubabuda, from the kubabuda/EFM8_bug repository on GitHub. It is a 2-layer board of 29.4 × 10.2 mm with 12 parts on 23 nets, routed with 182 tracks and 16 vias.
It is built around the EFM8BB10F8G-A-QFN20. Its parts include 4 connectors, 3 capacitors, 2 resistors, 2 ICs and 1 fuse. It belongs with the interfaces and adapters and microcontroller boards boards and the Silicon Labs (EFR32, EFM) boards of this library.
Main components
1README
README.mdEFM8 Bug board
Small breakout board, to comfortably use EFM8BB01F8G and try out USB-C pcb connector
Fab in 0.6 or 0.8 mm substrate
- Layout stronly inspired by osafune
- USB-C PCB connector courtesy of rabid-inventor
Parts
12| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 5.1K | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 2 | CONN_9 | Connector_PinHeader_2.54mm:PinHeader_1x09_P2.54mm_Vertical | P2, P3 |
| 1 | 1uF | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | 2.2uF | Capacitor_SMD:C_0603_1608Metric | C2 |
| 1 | AP2210-3.3TRG1 | Package_TO_SOT_SMD:SOT-23 | U1 |
| 1 | C2 Debug interface | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | P1 |
| 1 | C_Small | Capacitor_SMD:C_0402_1005Metric | C3 |
| 1 | EFM8BB10F8G-A-QFN20 | Package_DFN_QFN:SiliconLabs_QFN-20-1EP_3x3mm_P0.5mm_EP1.8x1.8mm | U2 |
| 1 | SR075-06 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | F1 |
| 1 | USB_C_Receptacle_USB2.0 | EFM8_Bug:usb-c-depopulated-2.0-power-only-pcb | J1 |
Questions
How big is the EFM8 bug PCB?
It measures 29.4 × 10.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the EFM8 bug use?
12 parts, built around the EFM8BB10F8G-A-QFN20. 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 EFM8 bug KiCad files?
From the kubabuda/EFM8_bug repository on GitHub, at the commit this page was made from: the board is EFM8_Bug.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the EFM8 bug design in my own project?
Its repository states no licence, so its author keeps all rights: ask kubabuda before reusing the design.
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