2 layers99.6 × 23.8 mm
4 layers50.8 × 22.9 mm
Adafruit nRF52840 Bluefruit Feather Express Rev D
alanwong2357/MacroPad- Size
- 50.8 × 22.9 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 45
- Nets
- 70
- Pads
- 214
- Tracks, vias
- 674, 85
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 10 Jan 2021
- Updated
- 10 Jan 2021
Overview
Adafruit nRF52840 Bluefruit Feather Express Rev D is an open-source printed circuit board by alanwong2357, from the alanwong2357/MacroPad repository on GitHub. It is a 4-layer board of 50.8 × 22.9 mm with 45 parts on 70 nets, routed with 674 tracks and 85 vias.
It is built around the MCP73831T-2ACI/OT-HXY, DMG2305UX and MBR120. Its parts include 10 capacitors, 7 resistors, 5 diodes, 4 crystals and 3 ICs. It belongs with the microcontroller boards boards and the nRF52 and nRF5x boards of this library.
Main components
3Parts
45| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 10uF | Adafruit nRF52840 Bluefruit Feather Express Rev D:0805-NO | C5, C6, C7, C8, C9 |
| 3 | 0.1uF | Adafruit nRF52840 Bluefruit Feather Express Rev D:0603-NO | C3, C4, C10 |
| 3 | 1K | Adafruit nRF52840 Bluefruit Feather Express Rev D:0603-NO | R2, R3, R5 |
| 3 | TPTP10R | Adafruit nRF52840 Bluefruit Feather Express Rev D:TP10R | D-1, D+1, TP1 |
| 2 | 22 | Adafruit nRF52840 Bluefruit Feather Express Rev D:0603-NO | R10, R11 |
| 2 | 22pF | Adafruit nRF52840 Bluefruit Feather Express Rev D:0603-NO | C1, C2 |
| 2 | FIDUCIAL_1MM | Adafruit nRF52840 Bluefruit Feather Express Rev D:FIDUCIAL_1MM | FID1, FID2 |
| 2 | KMR2 | Adafruit nRF52840 Bluefruit Feather Express Rev D:BTN_KMR2_4.6X2.8 | SW1, SW2 |
| 2 | TPTP12R | Adafruit nRF52840 Bluefruit Feather Express Rev D:TP12R | SWC1, SWD1 |
| 1 | Adafruit nRF52840 Bluefruit Feather Express Rev D:NRF52840_BOT | U$12 | |
| 1 | Adafruit nRF52840 Bluefruit Feather Express Rev D:NRF52840_TOP | U$14 | |
| 1 | Adafruit nRF52840 Bluefruit Feather Express Rev D:PCBFEAT-REV-056 | U$10 | |
| 1 | 100K | Adafruit nRF52840 Bluefruit Feather Express Rev D:RESPACK_4X0603 | R12 |
| 1 | 2x5 0.05" | Adafruit nRF52840 Bluefruit Feather Express Rev D:2X05_1.27MM_BOX_POSTS | X2 |
| 1 | 32.768 | Adafruit nRF52840 Bluefruit Feather Express Rev D:XTAL3215 | Y2 |
| 1 | 4.7K | Adafruit nRF52840 Bluefruit Feather Express Rev D:0603-NO | R4 |
| 1 | 4u20329 | Adafruit nRF52840 Bluefruit Feather Express Rev D:4UCONN_20329_V2 | X1 |
| 1 | AP2112(3.3V) | Adafruit nRF52840 Bluefruit Feather Express Rev D:SOT23-5 | U2 |
| 1 | BLUE | Adafruit nRF52840 Bluefruit Feather Express Rev D:CHIPLED_0805_NOOUTLINE | D4 |
| 1 | DMG2305 | Adafruit nRF52840 Bluefruit Feather Express Rev D:SOT23-R | Q3 |
| 1 | DNP | Adafruit nRF52840 Bluefruit Feather Express Rev D:_0805MP | L1 |
| 1 | FEATHERWING_NODIM | Adafruit nRF52840 Bluefruit Feather Express Rev D:FEATHERWING_NODIM | MS1 |
| 1 | GD25Q16 | Adafruit nRF52840 Bluefruit Feather Express Rev D:USON8 | IC2 |
| 1 | JSTPH | Adafruit nRF52840 Bluefruit Feather Express Rev D:JSTPH2 | X3 |
| 1 | MBR120 | Adafruit nRF52840 Bluefruit Feather Express Rev D:SOD-123 | D1 |
| 1 | MCP73831T-2ACI/OT | Adafruit nRF52840 Bluefruit Feather Express Rev D:SOT23-5 | U3 |
| 1 | MDBT50 | Adafruit nRF52840 Bluefruit Feather Express Rev D:MDBT50 | MDBT1 |
| 1 | ORANGE | Adafruit nRF52840 Bluefruit Feather Express Rev D:CHIPLED_0805_NOOUTLINE | D3 |
| 1 | RED | Adafruit nRF52840 Bluefruit Feather Express Rev D:CHIPLED_0805_NOOUTLINE | D2 |
| 1 | WS2812B3535 | Adafruit nRF52840 Bluefruit Feather Express Rev D:LED3535 | LED1 |
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Questions
How big is the Adafruit nRF52840 Bluefruit Feather Express Rev D PCB?
It measures 50.8 × 22.9 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Adafruit nRF52840 Bluefruit Feather Express Rev D use?
45 parts, built around the MCP73831T-2ACI/OT-HXY, DMG2305UX and MBR120. 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 Adafruit nRF52840 Bluefruit Feather Express Rev D KiCad files?
From the alanwong2357/MacroPad repository on GitHub, at the commit this page was made from: the board is Adafruit nRF52840 Bluefruit Feather Express Rev D/Adafruit nRF52840 Bluefruit Feather Express Rev D.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Adafruit nRF52840 Bluefruit Feather Express Rev D design in my own project?
Its repository states no licence, so its author keeps all rights: ask alanwong2357 before reusing the design.