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Unofficial Firmware - Work in Progress

This is not official FutureProofHomes firmware. This is an experimental development fork focused on implementing Sendspin synchronized multi-room audio. Expect bugs, breaking changes, and incomplete features.

For stable firmware, use the official FutureProofHomes/Satellite1-ESPHome.

Satellite1 Sendspin Firmware

Experimental multi-room audio for Satellite1

Default

Base firmware without radar sensor. Voice assistant and Sendspin audio.

Install Default

LD2410

With HLK-LD2410 radar for simple presence detection.

Install LD2410

LD2450

With HLK-LD2450 radar for zone and multi-target tracking.

Install LD2450

What is Sendspin?

Sendspin enables synchronized multi-room audio playback across ESPHome devices. Multiple Satellite1 units can play audio in perfect sync throughout your home.

This fork is a development project to bring Sendspin support to the Satellite1 hardware.

Project Goals

Sendspin integration for synchronized multi-room audio
Work towards upstream ESPHome component integration
Feature parity with Home Assistant Voice PE

Requirements

Google Chrome or Microsoft Edge (Web Serial required)
USB cable connected to your Satellite1
Home Assistant with Voice Assistant configured
ESPHome 2026.1.1 or newer

First Time Installation

The device will be erased during first install. After flashing, connect to the "satellite1" WiFi network to configure your home network.