Detta examensarbete utfördes på Syntronics kontor i Linköping. De hade en idé om att göra en porttelefon med hjälp av ett kretskort som de själva utvecklat, Midrange-plattformen. Detta kretskort är till för att vara flexibelt och kunna användas till olika syften.De förutsättningar jag utgick ifrån var att fortsätta på ett annat projekt som hade undersökt möjligheterna till att koppla in en videokamera till Midrange-plattformen. Jag skulle således fortsätta med samma hårdvara som de valt ut och använt.Min uppgift var att utveckla en Android tablet-app samt ta fram ett protokoll för överföring av bilder/video från Midrange-plattformen till Androidappen.Resultatet blev en Androidapp och ett egendefinierat protokoll för överföring av bilder. Men då problem uppstod med användningen av den kamera som jag fick gjordes istället en simulerad version av Midrange-plattformen med inkopplad kamera..

The high level of energy consumption that the industrialised countries have reached and thepollution that this brings has long been a cause for analysis and debate, development and usageof so called renewable energy sources is therefore more important than ever. The energy in theelectromagnetic radiation from the sun is an interesting alternative. One way of harvesting thisenergy is by using solar cells, devices that generate DC current when exposed to electromagneticradiation.The goal of this master?s thesis was to design a solar powered power supply to Syntronic AB?sMidrange platform. The envisioned application is a stand-alone distributed embedded system,for example a node-based temperature monitoring system.

The thesis investigates if it is possible to replace several pumpimpellers with one controllable pumpimpeller, with a economical and a manufacturing analisys aspect. The studied pumpimpeller is mounted on a Midrange wastewaterpump, N3127MT.In the thesis a contemplated manufacturing process is evaluated for a concept that are supposed to act as a controllable pumpimpeller. The pumpimpeller are studied in a manufacturing and flow matter and are presented in the thesis.The manufacturing cost is also estimated, and this has been compared to the storage cost and other costs that the existing pumpimpeller generates.The thesis also shows that the concept has minor losses in cutting quality aswell as the effiency comparing to the existing pumpimpeller.The concept also raises the manufacturing cost and this increasing cost makes the presented concept to expensive to carry through.An investigation of the costs that the existing pumpimpeller produces has also been done, and this shows that there is not that much expenses to earn regarding to for example the storage cost. The storage cost includes information from Flygt?s central storagecenter in Lindas, Sweden and Metz, France, and also an inventory about the pumpimpellers located at Flygt?s different distributors worldwide.The thesis shows that a controllable pumpimpeller will generally increase the cost for the pumpimpeller and the performance of the pumpimpeller will decrease..