Open-source silent speech with $20 EMG sensors and a webcam
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Strong launch
Beat 75% of Show HN launches that day
#26 of 166 on Nov 2
#2 of 5 Hardware & IoT launches on Show HN on Nov 2. 15.0% of Hardware & IoT launches (3 of 20) reached 10+ points in the last 7 days. See Hardware & IoT →
points · traction gained Nov 8, 12:36 UTC → Nov 9, 10:27 UTC · % shown only when the previous traction was 5+
Traction frozen — tracking ended at 161h after listing. Show HN votes are re-read for ~168h.
comments
listed Nov 2, 17:48 UTC
Traction (points) over time
Key statistics
- Traction
- 4points
- Comments
- 5
- Rank in HDWR this week
- —not listed in the last 7 days
- Rank overall this week
- —
- Sector hit rate
- 15.0%3/20 · 7D
- Traction line
- Below10+ points
- First reading
- 3Nov 2, 19:58 UTC
- Last reading
- 4Nov 9, 10:27 UTC
- Readings
- 7over 161h
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3 of 20 Hardware & IoT launches on Show HN reached 10+ points over the last 7 days. The weekly brief shows what they did differently, so you can compare Open-source silent speech with $20 EMG sensors and a webcam.
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Top on Nov 2 · 166 Show HN launches that day, by points
- #1SubvocalTalk to your computer without making noise844 points
- #2WikihackHackerTube, but for Wikipedia articles mentioned on HN339 points
- #3Warsaw in voxelsAn interactive 3D map of the city centre325 points
- #4I've updated my Linux System Call website and API238 points
- #5HackerHackHackerBooks but for Posts Posted on HN185 points
More in Hardware & IoT · top Show HN launches, last 7 days
- Every satellite that passed over any place this week, and its photos486 points▲ +6
- Overheadthe planes overhead, painted on an e-ink frame13 pointsfrozen
- CerulionROS 2-compatible robotics runtime with multi-process replay11 points▲ +11
- A fan-made GTA 6 radio wheel with 12 playable stations6 points0
- Ru-Jevan open model that scores caller-supplied options on CPU (MIT)5 points0
Grades · each graded against other Hardware & IoT launches from the same source
Momentum
——
Traction gained in the latest daily interval
Not re-read in the latest run, so no recent gain
Velocity
B0.08 points/h
Votes per hour since listing (age capped at 48h)
Better than 76% · vs 94 Hardware & IoT · Show HN launches, last 30 days
Engagement
——
Comments per 10 points
Needs 10+ points; below that the ratio is mostly noise
Staying Power
——
Votes at last reading ÷ votes at first reading
Needs 10+ points and readings from two runs
Launch-day race · #26 of 166 Show HN launches on 2026-11-02
- #24Northstar web browser engine 1.0.40 released5 points
- #25Noctty4 points
- #26Open-source silent speech with $20 EMG sensors and a webcam4 points
- #27Fooboard4 points
- #283D pixel-art basketball game4 points
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Discussion
Keep going
- #27 of 166 on Nov 2Fooboard →
- Case studyHow HackerBooks reached 1,861 points on Show HN with a five-word pitch →
- Case studyHow "Steal My Bitcoin" turned a two-word dare into the #1 Show HN of the week →
- CategoryHardware & IoT: supply, hit rate, top launches →
Every Tuesday: the launches that broke through and the categories heating up. Get the free weekly brief →
Data as of Nov 13, 2026, 9:22 AM UTC. Sector comes from keyword rules on the title and tagline and can be wrong. How it works