Smart sauyawa yana nufin na'urar da ke amfani da haɗuwa da shirye-shirye na allon sarrafawa da kayan lantarki don cimma kewaye mai hankali sauyawa sarrafawa. Sauya sarrafawa kuma aka sani da BANG-BANG sarrafawa, saboda wannan hanyar sarrafawa ne mai sauki da kuma sauki don cimma, saboda haka an yi amfani da shi a cikin sarrafa kayan aikin gida da hasken wuta da yawa. Amma sarrafa sauyawa na yau da kullun yana da wuya ya biya buƙatun ƙarin inganta daidaito da adana makamashi.

Hanyar sarrafawa ta yau da kullun a cikin tsarin sarrafawa, yawan sarrafawa yana da jihohi biyu kawai, ko dai haɗi, don daidaitaccen darajar daidaitaccen darajar, ko yanke, yawan sarrafawa sifili ne, don haka daidaitaccen yanayin sarrafawa ba shi da halaye na sarrafawa na wucin gadi, a lokacin sarrafawa na wucin gadi, mutum dole ne ya zaɓi daban-daban daban daban-daban daban-daban daban-daban daban-daban daban-daban daban-daban daban-daban daban-daban daban-daban daban-daban daban-daban daban Wannan dogara ne akan ilimin mutum da kwarewa, bisa ga ainihin kuskuren canji doka da kuma sarrafa abu (ko tsari) inertia, tsabta jinkiri da rikice-rikice da sauran halaye, da wani tsari zabi daban-daban sarrafawa dabarun sarrafawa sarrafawa kira mai hankali sarrafawa.

Idan aka kwatanta da kayan aikin bango na inji, yana da ayyuka masu yawa, amfani da aminci, kuma yana da kyakkyawan salon. Karya rawar sauyawa da sauyawa na gargajiya na gano, ban da kirkire-kirkire a cikin aiki kuma ya ba da tasirin kayan ado na sauyawa. Ana amfani da mai hankali canzawa a fannoni da yawa a cikin gida mai hankali canzawa, ofishin mai hankali canzawa, masana'antu mai hankali canzawa, noma gandun daji kifi mai hankali canzawa da sauransu, yana adana makamashi sosai, inganta samar da inganci da rage farashin aiki, da gaske ya sami hankali a duniya.

Tare da sanarwar wayoyin hannu masu wayo, ma'anar sauyawar wayoyin hannu ma tana ci gaba, a hankali ta zama aikace-aikacen da aka fi so na sarrafa wayoyin hannu, bisa ga kiyaye sauyawar sarrafa nesa, kuma ta faɗaɗa sa ido kan amfani da makamashi a cikin gidan wayoyin hannu, dabarun dabarun sabis na girgije na baya ya ba da shawarar tura nau'ikan yanayin sabis na ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙimar ƙ ​