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Fracture
SharKingStudios/Fracture
An infinitely expandable, velocity sensing split midi keyboard.
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Hallpico
plushugh/hallpico6An RP2040 Pro Micro (nologotech) based analog magnetic Hall Effect 4-key keypad
- Size
- 61 × 58.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 20
- Nets
- 34
- Pads
- 112
- Tracks, vias
- 78, 27
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 3 Mar 2024
- Updated
- 5 Mar 2024
Overview
Hallpico is an open-source printed circuit board by plushugh, from the plushugh/hallpico repository on GitHub. It is a 2-layer board of 61 × 58.4 mm with 20 parts on 34 nets, routed with 78 tracks and 27 vias.
It is built around the GH39FKSW and SK6812MINI-E. Its parts include 5 ICs, 4 diodes, 2 switches and 1 connector. It belongs with the keyboards and input boards and the RP2040 boards of this library.
Main components
2
GH39FKSW
SOT-23-3L-40℃~+85℃ 0.7% 1.8mV/Gs 15V 6mA ±100mT SOT-23-3L Linear Hall Sensors ROHSHiTrend TechLinear Hall Sensors
SK6812MINI-E
SMD-40℃~+85℃ 0.6mA 1.78mm 120mcd~240mcd 120° 160mcd~320mcd 1kHz 2.8mm 2000V 3.2mm 3.7V~5.5V 460nm~470nm 515nm~525nm 620nm~625nm 800Kbit/s 815mcd~1275mcd Semi-transparent lens SMD RGB LEDs(Built-in IC) ROHSOPSCO OptoelectronicsRGB LEDs(Built-In IC)
Parts
20| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | GH39FKSW | Package_TO_SOT_SMD:SOT-23 | U2, U3, U4, U5 |
| 4 | KeyMount | Library:SW_HE_MX_PCB | H1, H2, H3, H4 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.5mm_Pad_Via | H5, H6, H7, H8 |
| 4 | SK6812MINI-E | Library:SK6812-MINI-E | D1, D2, D3, D4 |
| 2 | SW_SPST | Button_Switch_SMD:SW_SPST_PTS810 | SW1, SW2 |
| 1 | BOOT Jump Wire | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J1 |
| 1 | RP2040 Pro Micro | Library:RP2040_ProMicro | U1 |
Questions
How big is the Hallpico PCB?
It measures 61 × 58.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Hallpico use?
20 parts, built around the GH39FKSW and SK6812MINI-E. 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 Hallpico KiCad files?
From the plushugh/hallpico repository on GitHub, at the commit this page was made from: the board is hallpico.kicad_pcb and its schematic hallpico.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Hallpico design in my own project?
Its repository states no licence, so its author keeps all rights: ask plushugh before reusing the design.
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