Browser-Based Tempest
Transmitting VHF Morse via Monitor EMI Leakage
Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.
Want to reach these readers? Sponsor an issue.
HN · launched Sep 7, 2026 · 5 upvotes (top 87%) · 0 views
Niche: browser-based utility tools · 670 launches, 61 in the last 7 days ▼ -10% · Explore this niche →
Category and tags
- Horizontal
- Hardware & robotics
- Developer
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 670 launches in browser-based utility tools →
Could you build this?
No Using monitor electromagnetic interference (TEMPEST) leakage triggered via browser pixel rendering to transmit radio signals requires specialized RF physics and low-level graphics hardware timing.
What it would actually take: This exploit requires calculating exact pixel clock frequencies, refresh rates, and display interface (HDMI/DisplayPort) differential signaling harmonics, then writing specialized WebGL shaders to alternate high-contrast raster patterns precisely timed to modulate VHF carrier waves. Accomplishing this requires deep signals analysis, RF electrical engineering, and low-level display driver hardware expertise.
Discussion
No comments on this launch.
Competitors
Other products that read as similar to this one : 969 launches clear the similarity bar, closest 8 shown.
Attention rank: #811 of 970 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 311 days after the earliest competitor.
- Rdio · hn · 2026-08-14 · 27 upvotes · similarity 0.56
- MorseApp · github · 2026-09-09 · 9 upvotes · similarity 0.53
- Blotter, a live map of LAPD radio activity · hn · 2026-04-28 · 8 upvotes · similarity 0.53
- SDR-Lab-2.0 · github · 2026-09-20 · 17 upvotes · similarity 0.51
- Agent FM · hn · 2026-05-12 · 9 upvotes · similarity 0.49
- Onda, an internet radio TUI with stream quality selection · hn · 2026-07-01 · 6 upvotes · similarity 0.49
- Otto · hn · 2026-06-22 · 5 upvotes · similarity 0.49
- Formally verified FPGA watchdog for AM broadcast in unmanned tunnels · hn · 2026-02-18 · 62 upvotes · similarity 0.48
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.