I built Timeframe, our family e-paper dashboard

Original Article ↗ Hacker News Discussion ↗

Cost and hardware options

  • Many like the concept of a calm, non-glowing “information radiator” but see the ~$2,000 large e‑ink panel as the main blocker.
  • Numerous cheaper options are discussed: Waveshare panels, Inkplate boards, reTerminal, Heltec Vision Master, M5Paper, MagInkCal builds, and AliExpress panels in the $50–$250 range.
  • Jailbroken Kindles and old e‑readers are repeatedly cited as the lowest‑cost path, often paired with Home Assistant / ESPHome.

Commercial and DIY ecosystem

  • TRMNL is frequently mentioned as a ready‑made, self‑hostable e‑ink dashboard with BYOD options and developer licenses, though some criticize its pricing and marketing clarity.
  • Several users share their own builds (ESP32 + e‑paper, Raspberry Pi + LCD, re-used tablets), often emphasizing 3D‑printed cases and battery operation.
  • Home Assistant is seen as a central hub; some want the project packaged as a Home Assistant app.

E‑ink market and technology

  • Many wonder why large e‑ink is still so expensive; explanations include limited volume, lingering patent effects, and niche demand.
  • People contrast small, cheap supermarket e‑ink tags with the huge markup on large panels and note that prices haven’t dropped for years.

Use cases: weather, calendars, and appliances

  • Strong support for shared family dashboards: calendars, weather, transit, chores, air quality, and smart‑home status.
  • Long subthread debates why people “need” constant weather info; defenders point to variable climates, outdoor activities, commuting, UV exposure, and flood risk.
  • Appliance status (washing machine, dryer, dishwasher) divides opinion: some see it as over‑engineering; others, especially in larger or busier households or with ADHD, find automatic reminders genuinely helpful.

Value, lifestyle, and “healthy tech”

  • One camp argues $3,000 and multiple services is unjustified when phones, alarms, and paper calendars exist; they worry about complexity and maintenance.
  • Others counter that:
    • Hobbies and learning justify the cost and time.
    • Ambient, glanceable displays reduce phone dependency and cognitive load.
    • It’s analogous to buying nice cameras, home renovations, or model trains.
  • Several prefer low‑tech solutions (paper calendars, glass/whiteboard walls, fridge notes) and say they work just as well or better for family coordination.

Alternatives and implementation details

  • Alternatives include LCD or OLED monitors with motion or mmWave sensors, old tablets in kiosk mode, and smart picture frames (e.g., DAKboard, Skylight, DC‑1–like devices).
  • Discussion touches on ghosting, dithering tricks for better e‑ink rendering, refresh‑rate limits, and the trade‑off between e‑ink’s aesthetics/low power and regular displays’ interactivity and cost.