PJDL

Hardware

embedded bus protocol

SHOW HN2020

Legend

PJDL

PJDL an open alternative to 1-wire with a range of 2000m

github.com

#1-wire alternative#embedded bus#arduino serial protocol#long range bus

337points
16comments
#114of 3,028 in 2020
Top 4%of 2020 by points

How HN took it

LovedMost comments that take a side are positive

5 positive, 2 neutral or asking, 0 mixed, 0 critical, out of 7 comments about the project. Thread score +0.56.

Idea: 3 for, 0 againstExecution: 1 for, 0 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

  • Elegant short-circuit sync frame detection

    From 1 comment
    • > if(!sync() || !sync() || !sync()) return SWBB_FAIL; I don't know why, but I find this really elegant. It's a lovely use of short-circuit returns combined with the electrical…
      Schwolop on HN
  • Exciting for cheap microcontroller networking

    From 2 comments
    • This is really fucking cool, I thought I was weird for wanting to run a CAN bus in addition to Ethernet for cheap uC's without TCP/ip.
      verall on HN
    • This is incredible. I don’t think people grok how momentous this is. We can transition to a better internet with this. Wow. Thank you.
      dfischer on HN

Objections

  • Post hard to understand for general readers

    From 1 comment
    • I think it's because only a minority of readers understand what this project is about! Your explanation is very technical, and the title doesn't really draw attention to…
      fractallyte on HN

Requests

  • Explain use cases in plain language

    From 1 comment
    • I think it's because only a minority of readers understand what this project is about! Your explanation is very technical, and the title doesn't really draw attention to…
      fractallyte on HN
  • Add a MIDIUSB strategy

    From 1 comment
    • The first paragraph of the readme says it works over USB, but I couldn't find any more information about that. Is USB actually supported? I recently had a project where I needed…
      the_pwner224 on HN

Questions

  • Is USB supported?

    From 1 comment
    • The first paragraph of the readme says it works over USB, but I couldn't find any more information about that. Is USB actually supported? I recently had a project where I needed…
      the_pwner224 on HN

Alternatives named

  • CAN bus

    From 2 comments
    • This is really fucking cool, I thought I was weird for wanting to run a CAN bus in addition to Ethernet for cheap uC's without TCP/ip.
      verall on HN
    • This would simplify automotive wiring quite a bit.
      westmeal on HN
  • RS485

    From 1 comment
    • If you run ethernet cable, you are actually running 4 good quality twisted pairs. You can reuse pairs from Cat5/6 cable for CAN, or RS485 or PJDL or whatever. The same cable…
      gridspy 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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