4 layers52.7 × 42.5 mm
OmniProbe
emertcakir/OmniProbe
Open-source SWD, JTAG, UART, SPI, I2C and Logic Analyzer platform powered by RP2040
77 parts4MIT
4 layers43 × 34 mm
GPS
npgo22/GPS- Size
- 43 × 34 mm
- Copper layers
- 4
- Thickness
- 1.61 mm
- Parts
- 29
- Nets
- 35
- Pads
- 103
- Tracks, vias
- 51, 136
- Pours
- 10
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 18 Jan 2026
- Updated
- 29 Jun 2026
Overview
GPS is an open-source printed circuit board by npgo22, from the npgo22/GPS repository on GitHub. It is a 4-layer board of 43 × 34 mm with 29 parts on 35 nets, routed with 51 tracks and 136 vias.
It is built around the AP2112K-3.3 and TXS0108EPW. Its parts include 14 capacitors, 3 ICs, 2 resistors, 2 connectors and 1 diode. It belongs with the radio and wireless boards of this library.
Main components
2
AP2112K-3.3
SOT253.3V 600mA CMOS Low Dropout Linear Regulator with EnableDiodes IncorporatedUncategorised
TXS0108EPW
TSSOP-20-40℃~+85℃ 1 1.4V~3.6V 1.65V~5.5V 60Mbps 8 Automatic direction detection、Output enable high-impedance、Integrated pull-up resistor Bidirectional Level translator Push-Pull、Open-drain TSSOP-20 Translators, Level Shifters ROHSTexas InstrumentsTranslators, Level Shifters
Parts
29| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 22uF | APRLPrints:C_0805 | C1, C2, C3, C5, C7, C9 |
| 5 | 100nF | APRLPrints:C_0603 | C4, C6, C8, C12, C14 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 2 | 10k | APRLPrints:R_0603 | R1, R2 |
| 2 | 33pF | APRLPrints:C_0603 | C10, C11 |
| 1 | 100mA hold | APRLPrints:Fuse_0805_2012Metric | F1 |
| 1 | 100pF | APRLPrints:C_0603 | C13 |
| 1 | 68 nH | libgps:LQW18AN68NG8Z | L1 |
| 1 | AP2112K-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U1 |
| 1 | Conn_01x07 | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J1 |
| 1 | LC29H | libgps:ublox_NEO | U3 |
| 1 | LED_Small | APRLPrints:LED_0603 | D1 |
| 1 | SMA | libgps:SMA_BAT_Wireless_BWSMA-KWE-Z001 | J2 |
| 1 | TXS0108EPW | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U2 |
The 28 most common of 29 parts.
Questions
How big is the GPS PCB?
It measures 43 × 34 mm and has 4 copper layers, 1.61 mm thick.
What parts does the GPS use?
29 parts, built around the AP2112K-3.3 and TXS0108EPW. 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 GPS KiCad files?
From the npgo22/GPS repository on GitHub, at the commit this page was made from: the board is GPS.kicad_pcb and its schematic GPS.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the GPS design in my own project?
Its repository states no licence, so its author keeps all rights: ask npgo22 before reusing the design.
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