Johan Siden

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Placing fire detectors in a forest is usually associated with powering problems since the sensors do not have access to external power supply and a periodical change of internal batteries is an undesired option. This paper presents an approach where the fire sensor itself, when heated by nearby fire, generates electrical energy to power a radio transmitter.(More)
Akademisk avhandling som med tillstånd av Mittuniversitetet i Sundsvall framläggs till offentlig för avläggande av licentiate i elektronik Torsdag den 08 Okt 2015, klockan 13:15 i sal O102, Mittuniversitetet Sundsvall. Seminariet kommer att hållas på engelska. ABSTRACT In this thesis, a reference setup for the characterization and calibration of low range(More)
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