Aikin fasaha yayi kama da na ruwa rigar gel wayoyin, yayin da saukakawa tayi daidai da busassun wayoyi - waxanda suke da saukin amfani amma galibi suna samar da sigina marasa kyau zuwa wutan lantarki.
Hudu daga cikin wayoyin an gina su a cikin maski, da kayan lantarki masu dacewa wadanda aka kirkiresu don bada damar bibiyar ido daga karfin da aka auna kusa da tsokokin fuska.
Don ba wa mask damar auna bugun sawa, an ƙirƙiri nau'in firikwensin nau'i na biyu wanda ke amsa bambancin matsin lamba a cikin jijiyoyin na sama.
Yin rikodin sigina na kiwon lafiya da halayya a fuska ko kusa da fuska yana da ƙalubale, a cewar Daraktan UMass Wearable Electronics Lab darekta Trisha Andrew, "saboda yawancin mutane suna da lamuran gaske kuma suna amsa abubuwan da aka ɗora a fuskokinsu ko kai."
"Zuwa yanzu, hada abubuwa daban-daban masu hangen nesa a cikin tufafi daya yana da nauyi, musamman idan ya shafi kananan abubuwan rufe ido," in ji wani masanin kimiyyar kwamfuta mai suna Deepak Ganesan.
Wutan lantarki sun fara rayuwa ne a matsayin dunkulallen zaren azurfa wanda aka saka a saman rigar auduga ta hydrophobic, tare da saman azurfa da aka canza zuwa chloride na azurfa don samar da hanyar amfani da ionic don siginonin karfin halittu.
Ta amfani da 'himma' hadawar tururin sinadarai, hydrogel mai dauke da azurfa an saka shi akan zaren da zaren azurfa.
Wannan hydrogel mai taushi yana aiwatar da ayyuka da yawa: Ana buƙatar fassara siginonin ilimin halittar ion zuwa igiyar lantarki, yana rage kayayyakin tarihi - misali siginar ɓata daga cin abinci - kuma yana rage hayaniya daga ɓataccen fannonin lantarki. Yana yin duk wannan ba tare da buƙatar ƙarin mannewa ba.
Hydrogel an shayar da shi kawai don amfani, kuma an gwada shi sau 40, kuma yana aiki sama da shekara guda, ba tare da wata kasawa ba a aikin.
Don hana abrasion na firikwensin, a kan zaren azurfa da haɗin hydrogel an ɗora auduga mai buɗe-saƙa, daga baya kuma akwai auduga mai suna hydrophobic don ayyana yankin da ake ji.
Fitarwa daga wayoyin yana cikin tsari na 10μV, wanda aka ƙirƙira shi da kara ƙarfin abu don yin siginar da ta dace da ƙananan ƙarfin ADC.
Na'urar firikwensin matsakaiciya ta ƙunshi zanen gado nalon nailan mai azurfa mai sandwich wanda yake auduga tsakanin zanen auduga wanda aka kula dashi domin gudanar dashi. Duk wani ƙarfi da ake amfani da shi a kan firikwensin yana haifar da raunin cikas tsakanin zannuwan da aka ruɗe da azurfa.
Haɗawa tsakanin firikwensin lantarki da lantarki sune ta hanyar azurfan hydrophobic a cikin bututun auduga, kuma mai karɓa na Bluetooth yana sadarwa da ma'auni zuwa kwamfutar da ke nesa don aiki.
Na'urar ta auna firikwensin ba sa kwance amincin sigina, koda an sa su na tsawon awanni takwas kuma, tare da kayan lantarki da aka cire, na'urori masu auna maski suna aiki har yanzu bayan tafiye-tafiye 15 ta na'urar wanki.
Hakanan amfani da likitanci, ana iya amfani da na'urorin da aka gina akan waɗannan ƙa'idojin hangen nesa a cikin caca da lasifikan kai tsaye na zahiri, a cewar jami'ar.
An gabatar da aikin a Fall Meeting of the American Chemical Society, kuma an bayyana shi a cikin takarda 'Multimodal Smart Eyewear for Longitudinal Eye Movement Tracking' wanda aka buga a Matter. Wannan takaddar rubatacciya ce kuma mai sauƙin fahimta, ana samun ta cikakke ba tare da biya ba.
Akwai kuma bidiyo