Scanwheel: A Pocket-Sized POV TV
Scanwheel: A Pocket-Sized POV TV No comments by: Matt Varian July 26, 2026 Title: Copy Short Link: Copy When you hear the word TV, you probably think of a big LED screen, maybe even the old CRT TVs, but in either case it’s something large and fairly complicated. However, thanks to the persistence of vision, it doesn’t have to be. In this handheld-sized project from [Ancient], the Scanwheel is born, a miniature mechanical TV that uses a spinning disk and some LEDs to produce an image.
- ▪Scanwheel: A Pocket-Sized POV TV No comments by: Matt Varian July 26, 2026 Title: Copy Short Link: Copy When you hear the word TV, you probably think of a big LED screen, maybe even the old CRT TVs, but in either case it’s something large a
- ▪However, thanks to the persistence of vision, it doesn’t have to be.
- ▪In this handheld-sized project from [Ancient], the Scanwheel is born, a miniature mechanical TV that uses a spinning disk and some LEDs to produce an image.
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Record
| Original publisher | Hackaday |
| Canonical URL | https://hackaday.com/2026/07/26/scanwheel-a-pocket-sized-pov-tv/ |
| Publication time | Mon, 27 Jul 2026 05:00:00 +0000 |
| Retrieval time | 2026-07-27T05:08:56.193Z |
| Last seen | 2026-07-27T05:08:56.193Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | 5hkcBIrlfXS- · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Scanwheel: A Pocket-Sized POV TV No comments by: Matt Varian July 26, 2026 Title: Copy Short Link: Copy When you hear the word TV, you probably think of a big LED screen, maybe even the old CRT TVs, but in either case it’s something large and fairly complicated. However, thanks to the persistence of vision, it doesn’t have to be. In this handheld-sized project from [Ancient], the Scanwheel is born, a miniature mechanical TV that uses a spinning disk and some LEDs to produce an image. The electronics of the Scanwheel are pretty straightforward. The smarts come from a Raspberry Pi Pico, an A4988 motor driver, a couple of LEDs, and a small 21-02485 stepper motor. The Raspberry Pi Pico is used to command the motor speed as well as coordinate the LEDs to turn on at the right time.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Hackaday.
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