An saita fitilun gudu na rana (wanda kuma aka sani da fitilun gudu na rana) da fitilun gudu na rana don nuna kasancewar motoci a gaba a lokacin rana kuma an sanya su a ɓangarorin biyu na gaba.
Ana amfani da fitilun rana don yin waɗannan ayyuka:
Haske ne da ke sauƙaƙa gane abin hawa da rana. Manufarsa ba wai don direba ya ga hanya ba ne, sai dai don ya sanar da wasu cewa mota tana zuwa. Don haka wannan fitilar ba haske ba ce, amma fitilar sigina ce. Tabbas, ƙara hasken rana na iya sa motar ta yi kyau da kyau, amma babban tasirin hasken rana, ba shine a yi kyau ba, sai dai a samar da abin hawa da za a gane shi.
Kunna fitilun gudu na rana yana rage haɗarin haɗuran ababen hawa da kashi 12.4% yayin tuƙi a ƙasashen waje. Hakanan yana rage haɗarin mutuwa da kashi 26.4%. A takaice, manufar fitilun zirga-zirga na rana ita ce don kare zirga-zirgar ababen hawa. Saboda haka, a cikin 'yan shekarun nan, ƙasashe da yawa sun tsara ma'aunin fitilun gudu na rana don tabbatar da cewa samarwa da shigar da fitilun gudu na rana na iya taka rawa sosai wajen tabbatar da aminci.
Mafi mahimmancin abin da ke cikin hasken rana na LED shine aikin rarraba hasken. Hasken rana ya kamata ya cika buƙatun haske na asali, amma bai kamata su yi haske sosai ba, don kada su dame wasu. Dangane da sigogin fasaha, ƙarfin haske a kan axis na tunani bai kamata ya zama ƙasa da 400cd ba, kuma ƙarfin haske a wasu hanyoyi bai kamata ya zama ƙasa da kashi na samfurin 400cd da maki masu dacewa a cikin zane-zanen rarraba hasken ba. A kowace hanya, ƙarfin haske da hasken da hasken ke fitarwa bai kamata ya wuce 80 ba.0cd.
