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Koruza open-source gigabit free space optical wireless
I have previously mentioned the great work that Musti and the guys in Slovenia have been doing on open-source free-space optical links. Basically they use a gigabit fibre transceiver aimed through a...
View ArticleUnbricking a Kindle paperwhite
I have a student who is working on real-time tracking of our University's loop-bus, together with displays at each bus stop to tell how many minutes until the loop-bus next arrives. We are using Kindle...
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Installing mesh extenders with Michael
An old friend of the Serval Project, Michael Adeyeye, is here with us in the batcave for the week to see what we are doing, and for us to share knowledge with him. Apart from it being great to catch up...
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Connecting the internet, Outback style
This week I am up at Arkaroola in the Australian Outback together with Ülf, who is visiting us from Germany. We are finishing the installation of some long-range Wi-Fi communications equipment that I...
View ArticleServal Mesh 0.92 is out on Google Play
After quite a delay, we have finally released a new version of the Serval Mesh. This is still an experimental release, but it does contain a number of important improvements, including but not limited...
View ArticleSome interest in the open-source collapsible communications tower
It was nice to hear of some further interest in the open-source collapsible communications tower concept that we have worked on over the past year or...
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Bleeding Edge Mesh Extender kits finally ready for shipping
It has taken us much longer than we had hoped, but we finally have the Mesh Extender kits ready to post out to our generous supporters from our Indiegogo campaign. As a token of appreciation to our...
View ArticleMac OSX "Hold for authentication" when trying to print
Today I tried to get printing to work from my mac (running Yosemite) to the printers here at work. The printers are accessed using SMB. I could easily add the printers, but when I tried to print, it...
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MDP, Rhizome, MeshMS and VoMP over Bluetooth
Under a grant from US-AID we are in the process of adding some low-bandwidth transports to the Serval Mesh. Ultimately, this will hopefully include Wi-Fi Direct service directory, Bluetooth Device...
View ArticleOSX Yosemite Printer keeps pausing, and gets stuck on "Ready to print"
If you are printing to a PaperCut server, apparently printing can have trouble from a mac running Yosemite, due to the improved security in CUPS 2.0, which is part of Yosemite.The interim solution is...
View ArticleMapping assistance for Vanuatu Cyclone Response
We have had a request from the head of the Disaster Research Centre here at Flinders University asking for volunteers to help re-map Vanuatu following the category 5 cyclone that hit there in the last...
View ArticleWorking on the Mesh Extender UHF Radios and other things
It's been a while since the last post, but we have been busy in the background on some exciting things:With the help of the NLnet Foundation, we are making the first steps towards an iOS port of the...
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Testing RFD900 radio at Arkaroola
Last week I was up at Arkaroola for Science Week, and took the opportunity to test the RFD900 radios up there in preparation for some upcoming Mesh Extender testing there.The idea of the tests was to...
View ArticleSimple CSMA firmware for RFD900 radios
I have been continuing to work on getting multiple Mesh Extenders communicating nicely via the RFD900 radio. As I have previously mentioned, the challenge with this is that the frequency hopping...
View ArticleShaking the bugs down with ad-hoc communications via RFD900
Last week I was up at Arkaroola again working on getting the Mesh Extenders to communicate via the RFD900 radios running my new CSMA firmware using our new spectrum license that allows us to avoid...
View ArticleDebugging RFD900 Ad-Hoc UHF behaviour
So I am getting closer to having working ad-hoc UHF communications between Mesh Extenders with RFD900 family radios running our custom CSMA firmware (not that for now you need a spectrum license from...
View ArticleRFD900+ now supported by flash-rfd900 utility
We have a bunch of the newer RFD900+ radios, which have 1 - 2 dB better receive sensitivity than the older RFD900/900a (no plus) versions of the radio. However, we were previously unable to use these...
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Working on Mesh Extender firmware
I've been working on various aspects of the Mesh Extender firmware lately.There are now a bunch of configuration options you can set by putting text files on the FAT partition of the USB memory stick....
View ArticleGetting rid of the Offers4U ad-ware track-ware on Mac
Offers4U is an annoying ad-inserting thing for browsers that pops up large annoying "offer suggestions" and other junk when browsing the web (which also implies that it is taking a bit too close a look...
View Articleautoconf AC_PROG_JAVAC possibly undefined macro
Some folks are occassionally hitting a problem where they receive an error similar to the following when they try to run autoconf on the serval-dna repository (or indeed other software):autoconf...
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