Aphetisoke karolo ea elektroniki e sebelisang melao-motheo ea electromagnetic kapa litlamorao tse ling ho fihlela "automatic on/off" ea lipotoloho. Mosebetsi oa eona oa mantlha ke ho laola ho tima ha li-circuits tse kholo tsa hona joale / tse phahameng tse nang le lisebelisoa tse nyenyane tsa hona joale / lipontšo, ha li ntse li finyella ho arohana ha motlakase pakeng tsa lipotoloho ho netefatsa polokeho ea bofelo ba taolo.

Mesebetsi ea eona e ka sehloohong e ka aroloa ka mekhahlelo e meraro:

1. Taolo le Amplification: E ka fetola matšoao a fokolang a taolo (a kang milliampere-level currents output by single-chip microcomputers le sensors) hore e be maqhubu a matla a lekaneng ho khanna lisebelisoa tse matla (tse kang li-motor le heaters), tse sebetsang e le "signal amplifier". Ka mohlala, malapeng a bohlale, mats'oao a manyenyane a motlakase a romelloang ka lisebelisoa tsa thelefono ea cellular a ka laoloa ka li-relay ho tima le ho tima matla a li-air conditioner le mabone a ka tlung.

2. Ho itšehla thajana ha motlakase: Ha ho na motlakase o tobileng pakeng tsa potoloho ea taolo (motlakase o tlaase, motlakase o monyenyane) le potoloho e laoloang (matla a phahameng, a maholo a hona joale). Litaelo tsa taolo li fetisoa feela ka mats'oao a motlakase kapa a optical ho thibela motlakase o phahameng ho kena setsing sa taolo le ho senya lisebelisoa kapa ho beha polokeho ea basebetsi kotsing. Hangata sena se fumanoa lipotolohong tsa taolo ea lisebelisoa tsa mochini oa indasteri le lisebelisoa tsa motlakase.

3. Logic le Tšireletso: E ka kopanngoa ho kenya ts'ebetsong logic e rarahaneng ea potoloho, e kang ho koala (ho thibela likoloi tse peli ho tloha ka nako e le 'ngoe) le ho lieha ho laola (ho lieha ho hokahanya mojaro ka nako e itseng ka mor'a hore ho be le matla). Li-relay tse ling tse inehetseng (joalo ka li-relay tse fetelletseng le li-relay tse futhumatsang haholo) le tsona li ka beha leihlo ho se tloaelehe ha potoloho. Ha motlakase o le moholo haholo kapa mocheso o phahame haholo, ba tla khaola potoloho ka bo eona ho sireletsa lisebelisoa tsa motlakase hore li se ke tsa senyeha.