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JanOS: Turn your phone into an IoT board

Screenshot of janos.io captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 3 calendar years, with breakout response in 2 of them.

submissions
3
submitters
3
observed span
2015–2023
peak thread · 30 comments
164 pts
latest 20+ return · 2023-04-28
164 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

This appears to be based on Firefox OS (aka "Boot to Gecko" B2G). Unfortunately, that was terminated Sept. 2016 [1]. The links to FOS on the JanOS site (such as "View porting instructions" on the Device List page) no longer work, though there is still a home page on Mozilla [2]. Edit: JanOS project looks to be zombied. The "Read more on our blog" link on the front page returns "Server Not Found". [1] https://groups.google.com/g/mozilla.dev.fxos/c/FoAwifahNPY/m... [2]…

mgsouth·164-point thread·

I feel like this is something that needs to happen. The observation about $80 GSM shields is spot on. Amazing things would happen if we could have a $30 IoT board with built-in LTE and a country-by-country easy-to-follow guide to how to buy a SIMM and get online. My one critique of the project is that I think the most important part (from a marketing perspective) is the "make your own connected IoT board for cheap!". The OS part is…

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
288

reference only — not used in Hall rules or ranking

Total comments
53

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2015-02-11Show HN: JanOS – A new OS that turns your smartphone into an IoT boardFirst breakoutjanjongboom12323
2016-09-27JanOS: Turn your phone into an IoT boardphantom_oracle10
2023-04-28JanOS: Turn your phone into an IoT boardBest thread · Latest 20+ point returndanboarder16430