Idea of the day – Safe Nas
This product is like a classical NAS, but it is a safe NAS. It means that all the content is encrypted with a personal key. It is accessible on wifi only and the access is only authorized for 1 hour, …...
View ArticleRaspberry PI – wan emulation
PIWan project : Here is a new, quick & dirty project to be done with a raspberry PI : At work we currently have to simulate our application for a worldwide usage. We have really great tools for...
View ArticleAIX network debugging
Since a couple of day at work I had to investigate on some network issues for an application, it seems that we have a strange ARP configuration that may be the main issue… by the way, I discovered...
View ArticleCompared performance of different file transfer protocols over latency
Internet is providing more and more bandwidth to transfer files and files are bigger and bigger. One thing is not changing, it is latency as distance still the same over the time. When a protocol...
View ArticleGet the right size for an antenna
This post is mostly a remember for myself … The formula to get the right antenna size is the following one. Wavelengh = 300 / FmHz As an example 300 / 868Mhz = 0,345 m Then the antenna will be …...
View ArticleMake your IoT design on Sigfox or LoRa ?
Once you have found the great idea of the year and you want to start implementing your first prototype it is time to choose the right technology. Some would say you should not choose at this step and...
View ArticleSigfox technical basics
Sigfox has just published a documentation on the technical basis of the network. This pdf document is a good summary of all what you need to know to get start on the technology. The document is...
View ArticleThe Sigfox Network Emulator Kit
Sigfox is a LPWA network using the free radio frequency to communicate. There radio frequencies are changing in the different zone (Europe, America, Asia…) When you are developing a device you need to...
View ArticleThe Sigfox radio protocol
Sigfox is a LPWAn communication technology and network dedicated to IoT. The specificity of this solution is related to the LPWAn caracteristics : communicating Low Power (25mW) and Wide Area (60km)....
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