Open-Source eInk Bike Computer
Bike computer in Outdoors & travel
An open-source eInk bike computer that people find readable in direct sunlight and practical for rides. The most common caveat is that some metrics look hard to read while riding.
An open-source eInk bike computer that people find readable in direct sunlight and practical for rides. The most common caveat is that some metrics look hard to read while riding.
15 people gave an opinion
- recommend it
- 14
- criticize it
- 1
- approval share
- 93%
Recommended in 1 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 14 people recommend itNeeds 10 or more, met.
- 14 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 1 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
eInk screen readable in sunlight
“i do absolutely love how readable it is in direct sunlight”
Comment from 4 Sep 2026 in “Show HN: Open-Source eInk Bike Computer” “eInk is the right display tech.”
Comment from 4 Sep 2026 in “Show HN: Open-Source eInk Bike Computer” Praise for the project's innovation
“I think that’s genuinely cool and the main innovation here.”
Comment from 4 Sep 2026 in “Show HN: Open-Source eInk Bike Computer” “Love the project and progress made”
Comment from 5 Sep 2026 in “Show HN: Open-Source eInk Bike Computer” “Excellent job! I had no idea about the LilyGo platform. Amazing.”
Comment from 6 Sep 2026 in “Show HN: Open-Source eInk Bike Computer”
What people warn about
Each mark is one comment
Some metrics hard to read while riding
“some of the metrics look like they'd be nearly impossible to read while riding”
Comment from 4 Sep 2026 in “Show HN: Open-Source eInk Bike Computer”
What people said
16 of the 17 comments that mention it, newest first. Each links to the original comment.
“Excellent job! I had no idea about the LilyGo platform. Amazing.”
“Love the project and progress made”
“i do absolutely love how readable it is in direct sunlight”
“awesome stuff. I have a Wahoo bike comp but would love to use an OSS alternative”
“1Hz imposes an average 0.5s latency on any update, which would be obnoxious in some situations.”
“Larger buttons, smaller device overall.”
“I think that’s genuinely cool and the main innovation here.”
“There's also a wireframe map view that is higher-contrast and much more practical for your gravel rides”
“This device has a backlight enabled by a physical button, and navi refresh rate doesn't matter because you're riding and not staring at it.”
“some of the metrics look like they'd be nearly impossible to read while riding”
“Within 10 seconds I was convinced I needed to try this.”
“The semi-interactive walkthrough on the website is really cool, great way to show the UX.”
“eInk is the right display tech.”
“i have ridden with this unit over five hundred miles and not had any issues”
“Insane! Quality on the ANT too!”
“this might just fit the bill”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.