Ambient LED car lightning

Cilj ovog završnog rada bio je razvoj mikroupravljačkog sustava za upravljanje unutarnjom rasvjetom automobila koristeći Arduino razvojnu pločicu. Korisniku je kreirano pet načina osvjetljenja, jedan od kojih je osvjetljenje koje ovisi o broju okretaja motora. Razvijen je analogni sklop za filtraciju i pojačanje signala na razinu koju mikroupravljač točnije mjeri. Pri razvoju analognog sklopa korištena je simulacija u programu Multisim, te su rezultati simulacije bili vjerni prikaz stvarnih mjerenja. Prilikom pisanja programa uzimala su se u obzir ograničenja sklopovlja, kao što je korištenje interrupta radi veće frekvencije uzorkovanja te pouzdanijeg rada. Nakon izrade sklopa i razvoja programa sustav je testiran te su rezultati bili zadovoljavajući.The aim of this paper was development of a microcontroller-based system for controlling car interior lighting using an Arduino development board. There were five modes of lighting created for the user, one of which was engine RPM dependent. An analog signal amplification and filtration circuit was developed in order to modulate the signal to better suit a microcontroller input. Circuit simulation in Multisim was used to develop the analog circuit, and simulation results were a good representation of measured results with the finished circuit. Hardware constraints of the microcontroller were taken into account during software development and interrupts were used to achieve a higher polling rate and a more reliable system. The system was tested and the results were satisfactory