# wuspy/portal_calendar

A Portal themed e-ink calendar based on the ESP32 platform

Repository: https://github.com/wuspy/portal_calendar
Canonical: https://ross.abutalabs.com/products/portal_calendar
Language: C++
License: MIT
License Family: permissive
Last push: 2025-10-29T06:16:04+00:00

## Health v2 (maintenance only)
Score: 54/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 49, release rhythm 35, longevity 100
- inputs: {"age_days": 1495, "days_push": 308, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1145, forks 68 (observed 2026-08-28T04:03:45.515213+00:00)

## What it is
A Portal-themed e-ink desk/wall calendar built on ESP32 hardware that runs for years on AAA batteries. It displays the date with Portal chamber hazard icons and optionally shows weather forecasts from OpenWeatherMap.

## Use cases
- build a battery-powered e-ink wall calendar
- make a Portal-themed desk calendar
- display a weather forecast on an e-ink display
- create a low-power ESP32 e-paper project
- replicate the Portal calendar from Reddit
- show date and weather on a Waveshare 7.5 inch e-ink screen

## When to choose
- you want a long-battery-life e-ink calendar for home or office
- you enjoy DIY electronics projects with ESP32 and e-paper displays
- you want a Portal-themed gift or decoration with optional weather data

## When to avoid
- you need a software-only calendar app for phone or computer
- you don't want to assemble hardware or flash firmware
- you need color displays or frequent full-screen refreshes

## Facets
- artifact type: application
- maturity: active
- function: embedded, iot, graphics, sdk
- domain: embedded-systems, iot, hardware, gaming-tools, weather
- platform: embedded, iot, cpp
- tags: esp32, e-ink, e-paper, portal-themed, calendar, openweathermap, arduino, platformio, low-power, diy-hardware

## Member repositories
- wuspy/portal_calendar (main) score 54

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:45.515213+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:34:41.221376+00:00, confidence not recorded.
  - readme: https://github.com/wuspy/portal_calendar (fetched 2026-08-28T04:03:45.515213+00:00, sha c6e22d1efb26)
- Data as of 2026-08-30T08:39:29.467469+00:00.