Pebble Home Assistant To-Do

A (re)Pebble OS watchapp that lists to do items of a single Home Assistant Local To Do List.

Created by Claude Code.

Features

• Displays to-do items with large text (GOTHIC_28_BOLD) and visual checkboxes
• Tap SELECT on any item to toggle it checked/unchecked (synced to HA instantly)
• "Delete Completed" action removes all completed items from app and HA
• Settings page in the Pebble Android app lets you configure HA URL, token, and to do list

Project Structure

src/
  main.c               — Watch app (C, Pebble SDK 3)
  js/
    pebble-js-app.js   — Companion JS (runs on Android, calls HA REST API)
appinfo.json           — App metadata and message keys
wscript                — Build script

Setup

1. Build

Install the Pebble SDK and run:

pebble build
pebble install --phone <YOUR_PHONE_IP>

2. Configure via Settings

Open the Pebble Android app → your app → Settings:

Field	Example
Home Assistant URL	http://192.168.1.100:8123
Long-Lived Access Token	ey... (from HA Profile page)
To-Do List Entity ID	todo.shopping_list

Find your entity ID in HA → Developer Tools → States, filter by todo..

3. Getting a Long-Lived Token

1. Open Home Assistant
2. Click your profile (bottom-left)
3. Scroll to Long-Lived Access Tokens
4. Create one and paste it into the Pebble settings

Controls

Button	Action
UP / DOWN	Scroll list
SELECT	Toggle item checked/unchecked
SELECT on "Delete Completed"	Remove all completed items from HA
BACK	Exit app

HA API Endpoints Used

• GET /api/todo_lists/{entity_id}/items — fetch items
• POST /api/services/todo/update_item — toggle status
• POST /api/services/todo/remove_completed_items — bulk delete