4 layers65 × 70 mm
2 layers57 × 49.7 mm
Gp2026
baloghr/usonic1KiCad 9 project gp2026 (hardware revision 1.01): schematic, PCB, custom footprints (Library.pretty) and 3D models (packages3D).
- Size
- 57 × 49.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 17
- Nets
- 36
- Pads
- 73
- Tracks, vias
- 136, 2
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 29 Oct 2026
- Updated
- 29 Oct 2026
Overview
Gp2026 is an open-source printed circuit board by baloghr, from the baloghr/usonic repository on GitHub. It is a 2-layer board of 57 × 49.7 mm with 17 parts on 36 nets, routed with 136 tracks and 2 vias.
It is built around the TSR 1-2450E and HC-SR04. Its parts include 4 diodes, 3 resistors, 2 ICs and 2 crystals. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
2README
hardware/kicad/README.mdKiCad project
KiCad 9 project gp2026 (hardware revision 1.01): schematic, PCB, custom footprints
(Library.pretty) and 3D models (packages3D).
- Open
gp2026.kicad_proin KiCad 9. - Board size 57.0 × 49.7 mm, two layers, all through-hole.
- Fabrication files (Gerber, drill, positions) are not stored in the repository; generate them
with File → Fabrication Outputs or the Fabrication Toolkit add-on. The plugin
settings are in
fabrication-toolkit-options.json. - The vendor 3D model of the TRACO converter is not included; get it from the manufacturer's website if you want it in the 3D view.
Parts
17| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 330 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3 |
| 3 | LED | LED_THT:LED_D5.0mm | D1, D2, D3 |
| 2 | HC-SR04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | US2, US3 |
| 1 | 1N4007 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D4 |
| 1 | Arduino_Nano | myArduino:Arduino_Nano | U1 |
| 1 | Buzzer | Buzzer_Beeper:Buzzer_12x9.5RM7.6 | BZ1 |
| 1 | Conn_01x05 | Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical | US1 |
| 1 | Conn_01x05 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | X2 |
| 1 | Jumper_2_Small_Bridged | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | Screw_Terminal_01x02 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal | X1 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP2 |
| 1 | TSR1-2450E | Converter_DCDC:Converter_DCDC_TRACO_TSR1-xxxxE_THT | U2 |
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Questions
How big is the Gp2026 PCB?
It measures 57 × 49.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Gp2026 use?
17 parts, built around the TSR 1-2450E and HC-SR04. 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 Gp2026 KiCad files?
From the baloghr/usonic repository on GitHub, at the commit this page was made from: the board is hardware/kicad/gp2026.kicad_pcb and its schematic hardware/kicad/gp2026.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Gp2026 design in my own project?
Its repository states no licence, so its author keeps all rights: ask baloghr before reusing the design.