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Arduino Yun as a possible Mesh Extender Platform
Regular readers of this blog will know that we have been looking at a variety of hardware options for the Serval Mesh Extender.The Serval Mesh Extender is a device that combines ad-hoc WiFi meshing...
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Custom case for MR3020 based Mesh Extender prototypes
With the help of the very capable Musti from WLAN Slovenija and some of our crowd funding campaign funds (thank you again to everyone who contributed!) we now have a nice 3D-printable case for the...
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Mesh Extender custom case fitting
As mentioned in the last post we now have a 3D printable case for the MR3020-based Mesh Extender prototypes. Until today we had only seen the images of the one that Musti printed in Slovenia. But now...
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Improved 3D printable case for mesh extender
In recent blog posts I have been talking about the 3D printable cases for the mesh extender prototypes. We had a little problem with the first prototype not fitting the USB memory sticks that we had,...
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Serval recognised in International Red Cross/Crescent World Disasters Report
It is very pleasing to see our partnership with New Zealand Red Cross to enable communications during disasters has been recognised in the International Federation of the Red Cross/Crescent (IFRC)...
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Open-Source Collapsable Communications Tower
I have been helping some mechanical engineering students from the side-lines with a project to make an open-source rapidly-erectable communications tower, with internal space for comms gear and...
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Don't Panic, it's a Serval Mesh Extender
I have been working on the firmware for the Mesh Extenders the last couple of weeks.This has involved combining a few features to make a 0.01 release that can go out on the perk Mesh Extenders, as well...
View ArticleOpenITP UX Sprint ahead of RightsCon 2014
In just a couple of weeks it will be time for RightsCon.org 2014 in San Francisco.In the days just before RightsCon, OpenITP are running a UX sprint that we are participating in.With the generous...
View ArticleLow-cost mobile medical devices might just happen
People who know me well know that I have been talking about my desire to commoditise many medical devices by making a mobile-phone based platform that can accept a variety of medical sensors.The...
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Imitation is the best form of flattery
Recently Jeremy and I attended RightsCon 2014. Among a variety of good things we were able to do and good people to meet with, we caught up with Miles, who has replicated our Mesh Extenders using the...
View ArticleThe DARPA Spectrum Challenge is interesting
The DARPA Spectrum Challenge was held last week. This is an interesting event encouraging innovation in using spectrum much more...
View ArticleHumanitarian UAVs
A good friend pointed me to this blog post this morning about the use of UAVs in Humanitarian contexts:http://irevolution.net/2014/05/01/intro-to-humanitarian-uavs/This is something that we have been...
View ArticleStopping Samsung Galaxy S2 data partition filling up
We have a number of Galaxy S2's that we use for Serval. Some of those we keep "stock", so no root or anything fancy, for testing Serval Mesh on. The one of those I use as my day-to-day phone has...
View ArticleTunnelling IP traffic over the Serval Overlay Mesh
We have been asked a number of times over the past few years if it is possible to carry IP traffic over a Serval Mesh network. Our answer has always been along the lines of "yes, you could in...
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Serval Rugged Battery Pack
One of the tasks we have been funding from our crowd funding campaign last year is the design of a rugged battery pack that can run from a solar panel, car battery, hand crank or other various power...
View ArticleDesign files for free and open-source collapsable communications tower
After rather a long time, we finally have the design files for the communications tower online at:https://github.com/servalproject/foss-comms-towerWe also have a paper that we will present at the IEEE...
View ArticleProblems with SanDisk Cruzer Fit flash drives
For the Mesh Extender we need physically very small USB memory sticks for the Rhizome data store.We have had problems with these in the past: some Verbatim ones wouldn't mount reliably at boot. So we...
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Getting ready for National Science Week again
Australian National Science Week is coming up fast, and similar to last year, my family and I will visit some remote schools to encourage young people to think positively about science, and maybe...
View ArticlePure C firmware loader for RFD900 Radios
We are using the RFD900 radios in the Mesh Extenders, as described in previous posts.The normal route for programming these is to use a python script or mono based GUI that comes with the SiK firmware....
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Arkaroola Long-shot Wi-Fi for National Science Week
Last week was National Science Week, which had my family and I heading up to Hawker Area School and Leigh Creek Area School and Marree Aboriginal School for sessions with students, before heading up to...
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