6 layers100 × 100 mm
4 layers40.8 × 14 mm
Sharkbait tracker
LithosphereRocketry/sharkbait-tracker1A small and low-cost GPS tracker for model rocketry applications.
- Size
- 40.8 × 14 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 56
- Nets
- 55
- Pads
- 212
- Tracks, vias
- 366, 135
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 14 Jan 2025
- Updated
- 9 Jun 2025
Overview
Sharkbait tracker is an open-source printed circuit board by LithosphereRocketry, from the LithosphereRocketry/sharkbait-tracker repository on GitHub, published under the GPL-3.0 licence. It is a 4-layer board of 40.8 × 14 mm with 56 parts on 55 nets, routed with 366 tracks and 135 vias.
It is built around the XT25F32FDTIGT. Its parts include 19 capacitors, 10 resistors, 5 ICs, 5 inductors and 2 connectors. It belongs with the STM32 boards of this library.
Main components
1README
README.mdsharkbait-tracker
A small and low-cost GPS tracker for model rocketry applications.
Parts
56| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C1, C5, C7, C8, C11, C17, C18 |
| 5 | 4.7k | Resistor_SMD:R_0402_1005Metric | R1, R2, R7, R8, R12 |
| 4 | 220 | Resistor_SMD:R_0402_1005Metric | R3, R4, R10, R11 |
| 2 | 0 | Capacitor_SMD:C_0402_1005Metric | C14, C19 |
| 2 | 10uF | Capacitor_SMD:C_0603_1608Metric | C2, C4 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C3, C6 |
| 2 | 6.8p | Capacitor_SMD:C_0402_1005Metric | C10, C12 |
| 2 | 68p | Capacitor_SMD:C_0402_1005Metric | C9, C16 |
| 2 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2 |
| 1 | 0R | Inductor_SMD:L_0402_1005Metric | L5 |
| 1 | 10n | Inductor_SMD:L_0402_1005Metric | L4 |
| 1 | 3.3p | Capacitor_SMD:C_0402_1005Metric | C15 |
| 1 | 3.9n | Inductor_SMD:L_0402_1005Metric | L3 |
| 1 | 32MHz | Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm | Y1 |
| 1 | 4.7n | Inductor_SMD:L_0402_1005Metric | L2 |
| 1 | 4.7p | Capacitor_SMD:C_0402_1005Metric | C13 |
| 1 | 68u | Inductor_SMD:L_0603_1608Metric | L1 |
| 1 | 75 | Resistor_SMD:R_0402_1005Metric | R9 |
| 1 | BOOT | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | Conn_01x04 | Connector_Molex:Molex_PicoBlade_53047-0410_1x04_P1.25mm_Vertical | J1 |
| 1 | Conn_Coaxial_Small | Connector_Coaxial_Custom:SMA_Samtec_SMA-J-P-H-ST-EM1_EdgeMount_WireWhip | J2 |
| 1 | DBG_RX | TestPoint:TestPoint_Pad_D1.0mm | TP1 |
| 1 | DBG_TX | TestPoint:TestPoint_Pad_D1.0mm | TP2 |
| 1 | GPS_RX | TestPoint:TestPoint_Pad_D1.0mm | TP7 |
| 1 | GPS_TX | TestPoint:TestPoint_Pad_D1.0mm | TP6 |
| 1 | LLCC68 | Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm_ThermalVias | U4 |
| 1 | LiPo | Connector_PinHeader_2.00mm:PinHeader_1x02_P2.00mm_Vertical | BT1 |
| 1 | MISO | TestPoint:TestPoint_Pad_D1.0mm | TP4 |
| 1 | MOSI | TestPoint:TestPoint_Pad_D1.0mm | TP5 |
| 1 | Quectel_L96 | RF_Module_Custom:CAM-M8_QuectelL96 | U1 |
| 1 | RED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | RST | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | SCK | TestPoint:TestPoint_Pad_D1.0mm | TP3 |
| 1 | STM32L031G6Ux | Package_DFN_QFN:QFN-28_4x4mm_P0.5mm | U5 |
| 1 | Ublox_VCCIO | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP3 |
| 1 | XC6206PxxxMR | Package_TO_SOT_SMD:SOT-23-3 | U2 |
| 1 | XT25F32FDTIGT | Package_SON:Winbond_USON-8-1EP_3x2mm_P0.5mm_EP0.2x1.6mm | U3 |
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Questions
How big is the Sharkbait tracker PCB?
It measures 40.8 × 14 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Sharkbait tracker use?
56 parts, built around the XT25F32FDTIGT. 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 Sharkbait tracker KiCad files?
From the LithosphereRocketry/sharkbait-tracker repository on GitHub, at the commit this page was made from: the board is hardware/sharkbait-tracker/sharkbait-tracker.kicad_pcb and its schematic hardware/sharkbait-tracker/rf_tx.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Sharkbait tracker design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).