PJON

Hardware

embedded communication protocol

SHOW HN2015

44points
15comments
#658of 2,565 in 2015
Top 26%of 2015 by points

How HN took it

CuriousMostly questions and neutral comments

2 positive, 4 neutral or asking, 0 mixed, 1 critical, out of 7 comments about the project. Thread score +0.06.

Idea: 2 for, 0 againstPrivacy: 0 for, 1 against

The thread, comment by comment

Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.

positive neutral or mixed critical about another commenter or something else the maker

What HN said

What people liked

  • Useful idea for multi-master embedded networks

    From 2 comments
    • Thank you, this may be exactly what I need for a project!
      raphman_ on HN
    • This is really awesome. I tried to make something like this once since I needed multi-master with like 50-60 attiny chips with poor time consistency etc, but never really got…
      earlz on HN

Objections

  • Included RC4-based cipher is considered insecure

    From 1 comment
    • RC4? Please don't. Use e.g. NORX for an embedded-friendly cipher that isn't dangerously insecure.
      creshal on HN

Requests

  • Add 1-Wire style pull-up/pull-down hardware support

    From 1 comment
    • If I understand correctly, PJON is not directly a replacement for the 1-wire bus as it does not specify pull-up/-down hardware that would be necessary for using VCC as the…
      raphman_ on HN

Questions

  • How does it compare to clunet?

    From 1 comment
    • Not having looked closely at your code yet - how would you say it compares to something like: https://github.com/ClusterM/clunet ?
      harwoodr on HN
  • Why are there two speed modes and what defines bandwidth?

    From 1 comment
    • I know its not very important for automation, but what are the defining factor to arrive at that bandwidth? (If I were you, I wouldn't even maintain the two modes - the bandwidth…
      swah on HN

Alternatives named

  • 1-Wire

    From 1 comment
    • If I understand correctly, PJON is not directly a replacement for the 1-wire bus as it does not specify pull-up/-down hardware that would be necessary for using VCC as the…
      raphman_ on HN
  • clunet

    From 1 comment
    • Not having looked closely at your code yet - how would you say it compares to something like: https://github.com/ClusterM/clunet ?
      harwoodr on HN

Category, keywords, summaries and labels on this page were made by AI (Thread Reader v2) and not checked by hand. Each point links to the comments it came from.

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