2 layers86.1 × 71.9 mm Orion, the printed circuit board in 3D

Orion

A repo on my project of making a DIY startracker for my astrophotography desires.

Size: 86.1 × 71.9 mm
Copper layers: 2
Thickness: 1.66 mm
Parts: 105
Nets: 111
Pads: 400
Tracks, vias: 848, 278
Pours: 4
Routed: Yes
KiCad: KiCad 10.0 (file 20260206)
Created: 11 Aug 2026
Updated: 13 Oct 2026

Overview

Orion is an open-source printed circuit board by NBER08, from the NBER08/StartrackerOrion-Hardware repository on GitHub, published under the MIT licence. It is a 2-layer board of 86.1 × 71.9 mm with 105 parts on 111 nets, routed with 848 tracks and 278 vias.

It is built around the ESP32-S3-WROOM-1-N8, XL6009 and TMC2209-LA, with the SRV05-4, TPS2121RUXR and LI0603G121R-10 among its other parts. Its parts include 37 resistors, 35 capacitors, 8 ICs, 6 connectors and 3 diodes. It belongs with the ESP32 boards of this library.

Main components

README

README.md

Logo

Orion Main

3D Top Angled 3D Bottom Angled

SPECIFICATIONS

Parameter	Value
Dimensions	86.06 × 71.93 mm

DIRECTORY STRUCTURE

text

.
├─ Computations       # Misc calculations
├─ HTML               # HTML files for generated webpage
├─ Images             # Pictures and renders
│
├─ kibot_resources    # External resources for KiBot
│  ├─ colors          # Color theme for KiCad
│  ├─ fonts           # Fonts used in the project
│  ├─ scripts         # External scripts used with KiBot
│  └─ templates       # Templates for KiBot generated reports
│
├─ kibot_yaml         # KiBot YAML config files
├─ KiRI               # KiRI (PCB diff viewer) files
│
├─ lib                # KiCad footprint and symbol libraries
│  ├─ 3d_models       # Component 3D models
│  ├─ lib_fp          # Footprint libraries
│  └─ lib_sym         # Symbol libraries
│
├─ Logos              # Logos
│
├─ Manufacturing      # Assembly and fabrication documents
│  ├─ Assembly        # Assembly documents (BoM, pos, notes)
│  │

Parts

105

Qty	Value	Footprint	References
19	100n	Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C10, C12, C15, C19, C20, C21, C22, C23, C24, C25, C26, C27, C28, C29, C30, C35 +3
7	10k	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R2, R22, R23, R24, R25, R27, R29
6	1k	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R16, R17, R18, R19, R20, R21
6	220m	Resistor_SMD:R_2512_6332Metric_Pad1.40x3.35mm_HandSolder	R26, R28, R30, R31, R32, R33
5	47k	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R4, R34, R35, R36, R37
4	100u	Capacitor_THT:CP_Radial_D5.0mm_P2.00mm	C16, C17, C18, C34
4	MountingHole_Pad	MountingHole:MountingHole_3.2mm_M3_DIN965_Pad	H1, H2, H3, H4
3	100u	Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder	C1, C3, C5
3	22n	Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C31, C32, C33
3	Conn_01x04_Pin	Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical	J3, J4, J5
3	TMC2209-LA	Package_DFN_QFN:VQFN-28-1EP_5x5mm_P0.5mm_EP3.7x3.7mm	U6, U7, U8
2	120	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R1, R3
2	1u	Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C11, C14
2	33k	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R6, R9
2	5k1	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R14, R15
2	Conn_01x04_Pin	Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical	J1, J6
2	RED	LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder	D1, D2
1	100k	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R5
1	10m	Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R11
1	10u	Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C7
1	21k5	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R10
1	22k1	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R8
1	22p	Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C2
1	22u	Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C4
1	2k8	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R12
1	330	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R13
1	3V3	TestPoint:TestPoint_Pad_D1.5mm	TP2
1	47u	Inductor_SMD:L_Changjiang_FXL1365	L2
1	47u	Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C13
1	5u6	Project_Components:WE-XHMI_4040	L1
1	82k	Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R7
1	BATT	TestPoint:TestPoint_Pad_D1.5mm	TP4
1	BOOT	Button_Switch_SMD:SW_SPST_PTS647_Sx38	SW2
1	Battery	Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical	BT1
1	ESP32-S3-WROOM-1	Project_Components:ESP32-S3-WROOM-1_novias	U1
1	GND	TestPoint:TestPoint_Pad_D1.5mm	TP5
1	INA219BxDCN	Package_TO_SOT_SMD:SOT-23-8	U4
1	LI0603G121R-10	Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder	FB1
1	LMR51420	Package_TO_SOT_SMD:SOT-23-6_Handsoldering	U2
1	RST	Button_Switch_SMD:SW_SPST_PTS647_Sx38	SW1
1	SRV05-4	Package_TO_SOT_SMD:SOT-23-6_Handsoldering	U5
1	SS34	Diode_SMD:D_SMA_Handsoldering	D3
1	TPS2121RUXR	TPS2121RUXR:IC_TPS2121RUXR	U3
1	USB4105GFA	Project_Components:GCT_USB4105GFA	J2
1	VBUS	TestPoint:TestPoint_Pad_D1.5mm	TP1
1	VM	TestPoint:TestPoint_Pad_D1.5mm	TP3
1	XL6009	Project_Components:DPAK170P1435X465-6N	VR1

Questions

How big is the Orion PCB?

It measures 86.1 × 71.9 mm and has 2 copper layers, 1.66 mm thick.

What parts does the Orion use?

105 parts, built around the ESP32-S3-WROOM-1-N8, XL6009, TMC2209-LA and SRV05-4. 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 Orion KiCad files?

From the NBER08/StartrackerOrion-Hardware repository on GitHub, at the commit this page was made from: the board is Orion.kicad_pcb and its schematic Block Diagram.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Orion design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

Category and platform

ESP32

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/nber08-startrackerorion-hardware" title="Orion in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/nber08-startrackerorion-hardware.jpg" alt="Orion" width="1200" height="900">

A picture that opens the board, for a README

[![Orion](https://pcbkit.io/embed/boards/nber08-startrackerorion-hardware.jpg?size=s)](https://pcbkit.io/boards/nber08-startrackerorion-hardware)

Source

Repository: NBER08/StartrackerOrion-Hardware
Board file: Orion.kicad_pcb
Commit: f9e2cc9
Licence: MIT

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