2 layers79.8 × 89.3 mm Kicad sailframes b1, the printed circuit board in 3D

Kicad sailframes b1

Open-source sailboat racing data logger and analytics platform.

Size: 79.8 × 89.3 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 72
Nets: 76
Pads: 263
Tracks, vias: 752, 107
Pours: 6
Routed: Yes
KiCad: KiCad 10.0 (file 20260206)
Created: 16 Mar 2026
Updated: 23 Jul 2026

Overview

Kicad sailframes b1 is an open-source printed circuit board by sailframes, from the sailframes/core repository on GitHub. It is a 2-layer board of 79.8 × 89.3 mm with 72 parts on 76 nets, routed with 752 tracks and 107 vias.

It is built around the LC29HEAMD, MT3608 and TP4056, with the SS14 and AO3401A among its other parts. Its parts include 25 resistors, 15 capacitors, 14 connectors, 10 diodes and 3 ICs.

Main components

README

README.md

SailFrames

Open-source sailboat racing data logger and analytics platform.

sailframes.com | github.com/sailframes | Apache 2.0 License

What is SailFrames?

SailFrames is a self-contained, waterproof data acquisition device for competitive sailboat racing. It captures high-precision GPS tracks, wind speed and direction, boat motion (heel/pitch/heading), barometric pressure, and cockpit video — all synchronized with GPS timestamps. Data syncs to AWS after each session for web-based race analysis and replay.

Repository Structure

text

sailframes/core/
├── edge-s/            # Raspberry Pi edge device
│   ├── services/      # Sensor acquisition (GPS, IMU, wind, pressure, camera)
│   ├── scripts/       # Install, start, stop, Wi-Fi mode
│   ├── config/        # Device configuration
│   └── tests/         # Sensor connectivity tests
├── edge-e/            # ESP32 edge device
│   ├── hardware/      # KiCad PCB designs
│   └── firmware/      # ESP32 Arduino firmware
├── web/               # Dashboard web application
│   ├── api/           # Backend API
│   └── frontend/      # React frontend
├── lambda/            # AWS Lambda functions
├── processing/        # Post-race data processing
├── infrastructure/    # AWS CDK/Terraform
├── scripts/           # Utility scripts
├── services/          # Systemd service definitions
├── config/            # Shared configuration
└── tests/             # Integration tests

Hardware

Component	Part	Interface
Compute	Raspberry Pi 5	—
GPS	u-blox ZED-F9P	USB
Wind	Calypso Ultrasonic Mini	BLE 5.1
IMU	BNO085 (GY-BNO08X)	I2C @ 0x4A
Pressure	DPS310	I2C @ 0x77
Camera	Pi Camera 3 Wide	CSI
Display	1602 LCD + PCF8574T	I2C @ 0x27
Enclosure	IP67 sealed	Gore-Tex vent

Quick Start (Edge Device)

bash

# Clone the repo
git clone https://github.com/sailframes/core.git
cd core

# Run the installer on Raspberry Pi
sudo bash edge-s/scripts/install.sh

# Test all sensors
python3 edge-s/tests/test_gps.py
python3 edge-s/tests/test_imu.py
python3 edge-s/tests/test_pressure.py
python3 edge-s/tests/test_wind.py
python3 edge-s/tests/test_camera.py

# Start all services
sudo bash edge-s/scripts/start.sh

# Check status
sudo systemctl status sailframes-*

Data Format

All sensor data is timestamped with GPS time (UTC):

text

/mnt/sailframes-data/
├── 2026-03-15/
│   ├── gps/
│   │   └── track_20260315_140000.csv
│   ├── imu/
│   │   └── imu_20260315_140000.csv
│   ├── pressure/
│   │   └── pressure_20260315_140000.csv
│   ├── wind/
│   │   └── wind_20260315_140000.csv
│   └── video/
│       └── cockpit_20260315_140000.mp4

Fleet

6 devices deployed
Sonar 23 and J/80 class boats
Boston Harbor, Massachusetts

License

Apache 2.0

Parts

Qty	Value	Footprint	References
7	10k	Resistor_SMD:R_0603_1608Metric	R7, R14, R16, R23, R24, R25, R26
6	100nF	Capacitor_SMD:C_0603_1608Metric	C1, C3, C5, C13, C16, C17
5	100k	Resistor_SMD:R_0603_1608Metric	R1, R2, R10, R15, R30
5	10uF	Capacitor_SMD:C_0603_1608Metric	C2, C4, C7, C12, C15
5	1k	Resistor_SMD:R_0603_1608Metric	R8, R9, R17, R18, R19
4	SS14	Diode_SMD:D_SMA	D7, D8, D9, D10
2	4.7k	Resistor_SMD:R_0603_1608Metric	R21, R22
2	BLUE	LED_SMD:LED_0603_1608Metric	D1, D6
2	Conn_01x15	Connector_PinSocket_2.54mm:PinSocket_1x15_P2.54mm_Vertical	J1, J4
1	0	Resistor_SMD:R_0603_1608Metric	R28
1	100pF	Capacitor_SMD:C_0402_1005Metric	C11
1	10nF	Capacitor_SMD:C_0402_1005Metric	C10
1	10nF	Capacitor_SMD:C_0603_1608Metric	C14
1	13.7k	Resistor_SMD:R_0603_1608Metric	R11
1	22uF	Capacitor_SMD:C_0603_1608Metric	C8
1	22uH	Inductor_SMD:L_Bourns_SRN6045TA	L1
1	2N3904	Package_TO_SOT_SMD:SOT-23	Q_INV1
1	2k	Resistor_SMD:R_0603_1608Metric	R6
1	33nH	Inductor_SMD:L_0402_1005Metric	L2
1	470	Resistor_SMD:R_0603_1608Metric	R20
1	47k	Resistor_SMD:R_0603_1608Metric	R31
1	68k	Resistor_SMD:R_0603_1608Metric	R32
1	AO3401A	Package_TO_SOT_SMD:SOT-23	Q_PWR1
1	BNO085_DIRECT_SOLDER	Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Vertical	J8
1	GNSS_DBG	Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical	J16
1	GPIO_EXP	Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical	J13
1	GREEN	LED_SMD:LED_0603_1608Metric	D3
1	HOSYOND_3.5_TFT	Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Vertical	J9
1	I2C_EXP1	Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical	J10
1	I2C_EXP2	Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical	J11
1	I2C_EXP3	Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical	J12
1	JST_PH_BAT	Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal	J2
1	LATCH_DBG	Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical	J17
1	LC29HEAMD	B1_JLC:GPSM-SMD_24P-L16.0-W12.2-P1.10-TL	U1
1	MICROSD	Connector_Card:microSD_HC_Hirose_DM3D-SF	J5
1	MT3608	Package_TO_SOT_SMD:SOT-23-6	U3
1	QI_PADS	Connector_Wire:SolderWire-0.5sqmm_1x02_P4.6mm_D0.9mm_OD2.1mm_Relief	J_QI1
1	RED	LED_SMD:LED_0603_1608Metric	D4
1	TP4056	Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm_ThermalVias	U2
1	U.FL	Connector_Coaxial:U.FL_Hirose_U.FL-R-SMT-1_Vertical	J3
1	UART_DBG	Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical	J14
1	WHITE	LED_SMD:LED_0603_1608Metric	D5
1	YELLOW	LED_SMD:LED_0603_1608Metric	D2

Questions

How big is the Kicad sailframes b1 PCB?

It measures 79.8 × 89.3 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Kicad sailframes b1 use?

72 parts, built around the LC29HEAMD, MT3608, TP4056 and SS14. 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 Kicad sailframes b1 KiCad files?

From the sailframes/core repository on GitHub, at the commit this page was made from: the board is edge-b/hardware/kicad_sailframes-b1.kicad_pcb and its schematic edge-b/hardware/kicad_sailframes-b1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Kicad sailframes b1 design in my own project?

Its repository states no licence, so its author keeps all rights: ask sailframes before reusing the design.

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/sailframes-core" title="Kicad sailframes b1 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/sailframes-core.jpg" alt="Kicad sailframes b1" width="1200" height="900">

A picture that opens the board, for a README

[![Kicad sailframes b1](https://pcbkit.io/embed/boards/sailframes-core.jpg?size=s)](https://pcbkit.io/boards/sailframes-core)

Source

Repository: sailframes/core
Board file: edge-b/hardware/kicad_sailframes-b1.kicad_pcb
Commit: c455d35
Licence: Not stated

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