Nyob rau hauv lub ntiaj teb no technologically advanced, tus neeg siv interface tsim plays lub luag haujlwm tseem ceeb hauv kev txhim kho cov neeg siv kev paub ntawm ntau yam khoom siv thiab khoom siv.Ib qho kev daws teeb meem tshiab uas tau txais txiaj ntsig tseem ceeb yog PCB membrane hloov.Tsab ntawv xov xwm no tshawb txog qhov tsis sib xws ntawm PCB membrane keyboards, lawv cov khoom, cov ntsiab lus ua haujlwm, qhov zoo, kev siv, kev txiav txim siab tsim, txheej txheem tsim khoom, txij nkawm, thiab yav tom ntej tiam sis.