Giovanni,
Can you highlight some "real world" use cases where PJON is/was used? I'm curious what folks have used PJON for, especially over RF (excluding Wi-Fi), such as the "video camera control" project in another comment.
Can you highlight some "real world" use cases where PJON is/was used? I'm curious what folks have used PJON for, especially over RF (excluding Wi-Fi), such as the "video camera control" project in another comment.
The core of the community uses PJON over PJDL in home automation systems, irrigation systems, feeding systems ecc. Soon Mysensors will include PJON over PJDL in their list of supported transports. PJON works also over TCP, UDP, MQTT, ESPNOW, LoRa ecc. so generally a router is built and programmed to run 2 instances of PJON for example PJDL and MQTT, to then route data to and from a process running on a real-time operative system
See: https://github.com/gioblu/PJON/blob/master/examples/routing/...
which can also run PJON thanks to the wide support of the implementation.
See: https://github.com/gioblu/PJON/wiki
Looks to be handy for many to connect devices, even on different media.
Although many also use PJON to implement mesh or peer-to-peer networks, there is a group in Australia building such a network using PJON over LoRa.
I must say I hope we will be able to start building a private network infrastructure with it, that would be awesome.
Companies and institutions are also implementing PJON within their products and services. AD24, a Czech company, recently created a mesh network over PJON to connect advertising monitors around the city of Prague. It looks there are also few companies in Germany which use PJON to create real world automation systems.
Recently contacted by the Universitat Politècnica de València (UPV) to support the development of a PJON network of temperature and humidity sensors to monitor the vault of the Cathedral of Valencia and avoid its decay, I hope this will end up done, it would be really rewarding.
Before asking. I did spend perhaps 15-20 minutes exploring the web site and Git repo. I found the "how?" and "why?" but I was having trouble coming up with valid, "real world" use cases for PJON and wasn't finding a lot of examples. I was impressed by all of the (minimal) hardware and mediums/transports that could be used -- I just couldn't think of what to actually do with it!
I've just recently started to become interested in "home automation", though -- mostly because I'm a geek and, as I looked around, I realized that there's so much data that I could be gathering and things that I could be controlling and/or interacting with or, at the least, monitoring.
Knowing what others are using PJON for is enlightening, however, and is giving me ideas and inspiration. Hopefully I'll think things through and come up with a real plan before I go on a shopping spree and end up with even more piles of electronics laying around!
Thanks again -- to you and the others -- for taking the time to enlighten me!
(On a side note, I sincerely feel that it's a shame that your "Show HN" got flagged and I apologize on behalf of HN. I can only say that, like anything else, it isn't perfect and odd things can happen at times. At the least, though, your submission was successful in making PJON more widely known!)