aboutsummaryrefslogtreecommitdiff
path: root/public/wireless-sensor-networks.html
diff options
context:
space:
mode:
Diffstat (limited to 'public/wireless-sensor-networks.html')
-rwxr-xr-xpublic/wireless-sensor-networks.html71
1 files changed, 0 insertions, 71 deletions
diff --git a/public/wireless-sensor-networks.html b/public/wireless-sensor-networks.html
deleted file mode 100755
index c53f4e1..0000000
--- a/public/wireless-sensor-networks.html
+++ /dev/null
@@ -1,71 +0,0 @@
1<!doctype html><html lang=en-us><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=generator content="JBMAFP - github.com/mitjafelicijan/jbmafp"><link href="data:image/x-icon;base64,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" rel=icon type=image/x-icon><title>Wireless sensor networks</title><meta name=description content="Zigbee networks have this wonderful capability to self-heal, which means theycan reorder connections between them if one of them is inoperable."><meta name=author content="Mitja Felicijan"><link rel=alternate type=application/rss+xml title="Mitja Felicijan's posts" href=https://mitjafelicijan.com/index.xml><link rel=alternate type=application/rss+xml title="Mitja Felicijan's notes" href=https://mitjafelicijan.com/notes.xml><style>:root{--border-color:gainsboro;--border-size:2px;--link-color:blue;--bg-color:#eee}*::selection{background:var(--link-color);color:#fff}*::-moz-selection{background:var(--link-color);color:#fff}*::-webkit-selection{background:var(--link-color);color:#fff}body{padding:2.5rem;max-width:1900px;background:#fff;font-family:sans-serif;line-height:1.35rem;font-size:16px}hr{border:0;border-bottom:var(--border-size)solid var(--border-color);margin-block-start:1.5rem}a{color:var(--link-color);text-decoration:none}h1,h2,h3{line-height:initial}h1{font-size:xx-large}footer{margin-block-start:2rem}cap{text-transform:capitalize}blockquote{font-style:italic}table{max-width:100%;border:var(--border-size)solid var(--border-color);border-collapse:separate;border-spacing:0}table thead tr th{border-bottom:var(--border-size)solid var(--border-color);text-align:left}table th,table td{padding:.5em .8em}ul.list li{padding:.2em 0}ul{line-height:1.35em}pre{text-wrap:nowrap;overflow-x:auto;padding:0 1em;border:var(--border-size)solid var(--border-color)}code{padding:0 3px;font-size:14px;border:0;background:var(--bg-color)}pre code{line-height:1.3em;background:#fff}pre,code,pre *,code *{font-family:monospace}figure{margin-inline-start:0;margin-inline-end:0}figcaption{width:800px;max-width:100%;text-align:center}figcaption p{margin:.3em 0 1.5em;font-style:italic}img,video,audio{width:800px;max-width:100%;border:var(--border-size)solid var(--border-color);padding:.5em}header nav{display:flex;gap:.9rem}article iframe{margin:0!important}audio::-webkit-media-controls-enclosure{border-radius:0}@media only screen and (max-width:600px){body{padding:.5em;word-wrap:break-word}header nav{gap:.7rem}header nav .hob{display:none}a{word-wrap:break-word}img,video,audio{padding:0}}</style><header><nav class=main itemscope itemtype=http://schema.org/SiteNavigationElement role=navigation aria-label="Main navigation"><a href=/>Home</a>
2<a href=/#posts>Posts</a>
3<a href=/#notes>Notes</a>
4<a href=/#sideprojects class=hob>Side Projects</a>
5<a href=/vault.html>Vault</a>
6<a href=https://github.com/mitjafelicijan target=_blank>Code</a>
7<a href=/mitjafelicijan.pgp.pub.txt target=_blank class=hob>PGP</a>
8<a href=/curriculum-vitae.html>CV</a>
9<a href=/index.xml target=_blank class=hob>RSS</a></nav></header><main role=main><article itemtype=http://schema.org/Article><h1 itemtype=headline>Wireless sensor networks</h1><p><cap>post</cap>, Oct 24, 2013 on <a href=https://mitjafelicijan.com>Mitja Felicijan's blog</a><div><p>Zigbee networks have this wonderful capability to self-heal, which means they
10can reorder connections between them if one of them is inoperable. This works
11our of the box when you deploy them. But you have to have in mind that achieving
12this is not as easy as you would think. None of it is plug&amp;play. So to make
13your life a bit easier, here are some pointers which, I hope, will help you.<ul><li>Be careful when you are ordering your equipment abroad. There are many rules
14and regulations you need to comply before you get your Xbee radios. What they
15do is they wait until you prove that you won’t use the technology for some
16kind of evil take over control of the world project :). For this, they have
17EAR (Export Administration Regulations) which basically means “This product
18may require a license to export from the United States.”.<li>I don’t know if this applies for every country, but when we purchased our Xbee
19radios from Mouser, this was mandatory! What we needed to do was to print out
20a form and write information about our company and send them a copy via
21email. With this document, we proved that we are a legitimate company.<li>When you complete your purchase and send all the documentation, you are not
22clear yet. Then customs will take it from there :). There will be some
23additional costs. Before purchasing, make sure you have as much information
24about costs as possible. Because it can get costly in the end.<li>I suggest you use companies from your country. You can seriously cut your
25costs. Here in Slovenia, the best option so far as I know is Farnell. And
26based on my personal experience, they rock! All I need to say!<li>Make plans when ordering larger quantities. Do not, I say, do not make your
27orders in December! :) Believe me! You will have problems with stock they can
28provide for you. So, we were forced to buy some things from Mouser, which was
29extremely painful because of all the regulations you need to obey when
30importing goods from the USA.<li>Make sure that firmware version on your Xbee radios is exactly the same! Do
31not get creative!!! I propose using templates. You can get template by
32exporting settings/profile in X-CTU application. Make sure you have enabled
33“Upgrade firmware” so you can be sure each radio has the same firmware.<li>And again: make plans! Plan everything! In months advanced! You will thank me
34later :)<li>Test, test, test. Wireless networks can be tricky.</ul><p>If you are serious, I suggest you buy this book, Building Wireless Sensor
35Networks. You will get a glimpse of how networks work in lumens terms. It is a
36good starting point for everybody who wants to build wireless networks.<p><strong>Additional resources:</strong><ul><li><a href=http://www.digi.com/aboutus/export/generalexportinfo>http://www.digi.com/aboutus/export/generalexportinfo</a><li><a href=http://doresearch.stanford.edu/research-scholarship/export-controls/export-controlled-or-embargoed-countries-entities-and-persons>http://doresearch.stanford.edu/research-scholarship/export-controls/export-controlled-or-embargoed-countries-entities-and-persons</a><li><a href=http://www.bis.doc.gov/licensing/exportingbasics.htm>http://www.bis.doc.gov/licensing/exportingbasics.htm</a></ul></div></article></main><section><hr><h2>Posts from blogs I follow around the net</h2><ul><li><a href=https://utcc.utoronto.ca/~cks/space/blog/linux/NFSv4ServerLockClients target=_blank rel=noopener>Finding which NFSv4 client owns a lock on a Linux NFS(v4) server</a> — <a href=https://utcc.utoronto.ca/~cks/space/blog/>Chris's Wiki :: blog</a><div>A while back I wrote an entry about finding which NFS client owns
37a lock on a Linux NFS server, which turned
38out to be specific to NFS v3 (which I really should have seen coming,
39since it involved NLM and lockd). Finding the NFS v4 client that
40owns a lock is, depending on your perspective, either simpl…<li><a href=http://www.landley.net/notes-2023.html#28-10-2023 target=_blank rel=noopener>October 28, 2023</a> — <a href=http://www.landley.net/notes-2023.html>Rob Landley's Blog Thing for 2023</a><div>Oh good grief, two of my least favorite licensing people, Larry Rosen
41and Bradley Kuhn, are interacting on the OSI's license-discuss
42list where the're doing
43bad computer history and insisting that a guy Larry Rosen
44coincidentally interviewed for a book years ago is clearly the origin of
45somethin…<li><a href="http://offbeatpursuit.com:80/blog/?id=25" target=_blank rel=noopener>A fix by any other name</a> — <a href=http://offbeatpursuit.com:80/blog/>WLOG - blog</a><div>tags:
46i2c, plan9
47Another month, another file system.
48Well, if you can’t fix it in software, fix it in hardware (looking at
49you, bme680, we’re not
50done yet). The show must go on, as they say, and I would like my
51experiments to go on.
52So a “new” addition to the environmental sensor family connected to
53the h…<li><a href=https://mirzapandzo.com/next-image-url-parameter-is-valid-but-upstream-response-is-invalid target=_blank rel=noopener>Next/Image "url" parameter is valid but upstream response is invalid</a> — <a href=https://mirzapandzo.com/>Mirza Pandzo's Blog</a><div>Getting "url" parameter is valid but upstream response is invalid error with Next/Image on WSL2<li><a href=https://drewdevault.com/2023/10/13/Going-off-script.html target=_blank rel=noopener>Going off-script</a> — <a href=https://drewdevault.com>Drew DeVault's blog</a><div>There is a phenomenon in society which I find quite bizarre. Upon our entry to
54this mortal coil, we are endowed with self-awareness, agency, and free will.
55Each of the 8 billion members of this human race represents a unique person, a
56unique worldview, and a unique agency. Yet, many of us have the sam…<li><a href=https://szymonkaliski.com/writing/2023-10-02-building-a-diy-pen-plotter/ target=_blank rel=noopener>Building a DIY Pen Plotter</a> — <a href=http://github.com/dylang/node-rss>Szymon Kaliski</a><div>This article documents my learnings from designing and building a DIY Pen Plotter during the summer of 2023.
57My ultimate goal is to build my…<li><a href=https://neil.computer/notes/chart-of-accounts-for-startups-and-saas-companies/ target=_blank rel=noopener>Chart of Accounts for Startups and SaaS Companies</a> — <a href=https://neil.computer/>Neil Panchal</a><div>Accounting is fundamental to starting a business. You need to have a basic understanding of accounting principles and essential bookkeeping. I had to learn it. There was no choice. For filing taxes, your CPA is going to ask you for an Income Statement (also known as P/L statement). If<li><a href=https://journal.valeriansaliou.name/deploy-a-nomad-cluster-on-alpine-linux-with-vultr/ target=_blank rel=noopener>Deploy a Nomad Cluster on Alpine Linux with Vultr</a> — <a href=https://journal.valeriansaliou.name/>Valerian Saliou</a><div>After spending countless hours trying to understand how to deploy my apps on Kubernetes for the first time to host Mirage, an AI API service that I run, I ended up making myself a promise that the next app I work on would be using a more productive & simpler<li><a href=https://jcs.org/2023/10/25/wifi_da target=_blank rel=noopener>BlueSCSI Wi-Fi Desk Accessory 1.0 Released</a> — <a href=https://jcs.org/>joshua stein</a><div>BlueSCSI Wi-Fi Desk Accessory
581.0 has been released:
59wifi_da-1.0.sit
60(StuffIt 3 archive)
61SHA256: ccfc9d27dd5da7412d10cef73b81119a1fec3848e4d1d88ff652a07ffdc6a69aSHA1: ff124972f202ceda6d7fa4788110a67ccda6a13a
62This is the initial public release of my BlueSCSI Wi-Fi Desk Accessory for
63classic MacOS.<li><a href=https://michael.stapelberg.ch/posts/2023-10-25-my-all-flash-zfs-network-storage-build/ target=_blank rel=noopener>My 2023 all-flash ZFS NAS (Network Storage) build</a> — <a href=https://michael.stapelberg.ch/>Michael Stapelbergs Website</a><div>For over 10 years now, I run two self-built NAS (Network Storage) devices which serve media (currently via Jellyfin) and run daily backups of all my PCs and servers.
64In this article, I describe my goals, which hardware I picked for my new build (and why) and how I set it up.
65Design Goals
66I use my netw…</ul><p>Generated with <a href=https://git.sr.ht/~sircmpwn/openring target=_blank rel=noopener>openring</a>.</section><footer><hr><p><big><strong>Want to comment or have something to add?</strong></big><p>You can write me an email
67at <a href=mailto:mitja.felicijan@gmail.com>mitja.felicijan@gmail.com</a> or
68catch up with me <a href=https://telegram.me/mitjafelicijan target=_blank>on Telegram</a>.<hr><p>This website does not track you. Content is made available under the <a href=https://creativecommons.org/licenses/by/4.0/ target=_blank rel=noreferrer>CC BY 4.0 license</a> unless
69specified otherwise. Blog is also available as <a href=/index.xml target=_blank>RSS feed</a>.</footer><script>
70 window.va = window.va || function () { (window.vaq = window.vaq || []).push(arguments); };
71 </script><script defer src=/_vercel/insights/script.js></script> \ No newline at end of file
generated by cgit v1.2.3 (git 2.46.0) at 2026-05-01 05:20:48 +0000