2 layers60.5 × 91.5 mm

Kicad sailframes e1
FForzano/xgsail-e1
Open-hardware ESP32 sailing tracker (E1): GNSS/IMU/wind/pressure logging, ESP-NOW mesh for live fleet position + race-start detection, BLE/WiFi upload. Firmware, KiCad PCB, and a published TypeScript client SDK.
21 parts1Apache-2.0