Document about device Sigfox antenna design

Designing Sigfox antenna for your device? I just found very nice document about antenna design for Sigfox (and other IoT ;-) devices. I know how complicated is find right balance between design of device itself and antenna inside. This is valid especially for B2C devices where antenna should be in best case invisible. So I thing that document is very helpful. http://www.sigfox.com/en/resources/white-paper/antenna-design-essentials-for-sigfox-ready-tm-devices and here is a webinar http://www.s...
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Swimming pool wireless temperature sensor

I'm not really bathing type of person... But you know I have wife and daughter so small swimming pool in the garden is almost mandatory. OK when am not frequent occupant of that blue thing so I have to be at least a maintenance guy. Standard pool set offers just limited room for innovation so I decided to do something cool to be aware of unacceptable temperature of water inside and because I like cool stuff, cool beer bud definitely not cool water. You can admit that there are hundreds of swimmi...
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