Kuphela xa i-byte yokuqala kunye ne-byte yokugqibela i-4CH (okanye i-66h) kunye ne-ODH ngokulandelanayo, inokuthathwa njengedatha esebenzayo, ngaphandle koko i-microcontroller iyaqhubeka nokufunda. I-MCU sele isenza loop okwethutyana. Xa isitshixo se-K1 okanye i-K2 sibangelwa, i-microcontroller inika umgangatho ophantsi kwi-P1 2 pin ukuqala i-infrared sensor tn901. Logama nje i-infrared sensor tn901 ivuliwe, iyakulinganisa iqondo lobushushu kunye neqondo lobushushu ekujoliswe kulo, kodwa eyona tyhubhu ye-nixie edibeneyo enamanani ama-4 esiyisebenzisayo ayinakukwazi ukubonisa amaxabiso omabini ngaxeshanye. Ngoko ke, sahlula i-K1 kunye ne-K2 ukwahlula ukuba iqondo lobushushu le-ambient okanye iqondo lobushushu ekujoliswe kulo linokulinganiswa.