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Homebridge TestFlight
Pimoroni, Raspberry Pi

Intercom Automation HAT

homebridge-intercom-automation-hat · v2.1.2

VerifiedLocalMatterHomebridge 2.0

Adds an intercom doorbell and door opener to HomeKit using a Raspberry Pi with a Pimoroni Automation HAT.

What it says it supports

Brands

  • Pimoroni
  • Raspberry Pi

Devices it names

  • Automation HAT
  • Automation HAT Mini
  • Raspberry Pi Zero 2
  • analog-input doorbell detection
  • relay lock output

Shows up in Apple Home as from its README

What people report

Intercom bell via Pimoroni Automation HAT; Home shows the bell as 'Not Supported' but notifications still arrive.

  • Partly works1
DeviceStatusWhat they saidSource
Pimoroni Automation HAT intercomPartly worksBell shows Not Supported in Home; notification still works
Saved copy
Lo and behold I just figured it out. Look in intercom-automation-hat.py and replace automationhat.output.one with automationhat.relay.one or other output of choice.

Excerpt saved from GitHub on 2026-10-22.

Issue #1 · 2020-10

Gathered from the plugin’s GitHub issues, pull requests, discussions, wiki and docs, and from r/homebridge. These are individual reports, so check the linked thread and the date before you buy.

How it connects

Local

Raspberry Pi GPIO via Automation HAT

You’ll need

  • Raspberry Pi
  • Pimoroni Automation HAT or HAT Mini

Compatibility

Verified by HomebridgeYes
Homebridge versions^1.6.0 || ^2.0.0
Homebridge 2.0Yes
Node.js^22.12.0 || ^24.0.0
Settings in Homebridge UIYes
MatterYes (uses the Homebridge 2 Matter API)
Platform nameIntercomAutomationHAT
LicenseMIT

Community signals

Downloads a week4
Downloads a month38
GitHub stars8
Open issues1
Closed issues0
Last code push2026-05-20
Latest version2.1.2 (2026-05-20)
First published2020-03-16
Releases12

In ReReHome

Whatever this plugin publishes reaches Apple Home as a normal HomeKit accessory behind your Homebridge bridge, so ReReHome shows and controls it like any other.

Bridges get their own settings page listing the accessories behind them.

HomeKit services in its code

Found by scanning the published npm package. A plugin can register a service only for some devices.

  • Doorbell
  • LockMechanism