Software

SendIt firmware is fully open source and licensed under the GPLv3 license.

View the source on github.

Firmware Overview

SendIt firmware runs on the YarrboardFramework, which provides:

  • Individual configuration for each of the 8 ADC channels
  • Web-based configuration UI — no manual file editing required
  • Multiple integration options: MQTT, Home Assistant, SignalK, HTTP, and WebSockets

To get started, follow the steps below in order:

  1. Firmware Installation — flash firmware and connect to WiFi
  2. Configuration — set up your channels and calibrate sensors
  3. API & Integrations — connect to MQTT, Home Assistant, or SignalK

Table of contents