Optimal resistor ratio in the DAC with low precision resistors - statistical approach. - Rada Dragovic-Ivanovic; Zoran Mijanovic; Ljubisa Stankovic; Nedjeljko Lekic (ICECS, 2002)

The simple multiprocessor communication system. - Nedjeljko Lekic; Zoran Mijanovic; Desa Gobovic; Rada Dragovic-Ivanovic (ICECS, 2002)

The simple RS232 hub to interface microcontroller peripheral devices with the central processor. - Nedjeljko Lekic; Zoran Mijanovic; Rada Dragovic-Ivanovic; Dragan Filipovic (ICECS, 2003)

The identification system for monitoring of teaching activities. - Nedjeljko Lekic; Zoran Mijanovic; Radovan Stojanovic (EUROCON, 2011)

NFC identification system for fuel dispensing control on petrol station. - Nedjeljko Lekic; Zoran Mijanovic (EUROCON, 2013)

E-mail script tunneling. - Veselin Manojlovic; Zoran Mijanovic (MECO, 2013)