Muhupenyu hwezuva nezuva, iyo yakawanda-layer-layer PCB Circumd board parizvino ndiyo inonyanya kushandiswa dunhu redunhu redunhu redunhu. Nechikamu chakakosha kudaro, chinofanira kubatsirwa nezvakawanda zvakanakira zveiyo yakawanda-layer PCB Dunhu redunhu. Ngatitarisei nezvakanakira zvakanaka.
5. Inogona kuumba dunhu neyakaitwa neyakagadzirirwa, iyo inogona kuumba chikamu chepamusoro chinotapurudzira;
6. Doka redunhu renzvimbo yekuchengetedzeka rinogona kuiswa, uye simbi core yekushambadzira yekushambadzira inogona zvakare kuiswa kuti isangane nezvinodiwa zvehukuru hwakakosha sekuvhara uye kupisa kusapfeka.
Nekukura kwekuenderera kwehunyanzvi hwemagetsi uye kuenderera mberi kwezvinodiwa zvemagetsi zvemapepa mucomputer, kurapwa, iyo redunhu, kuderedza huwandu hwekupaza, kuderedza kukura uye kuwedzera kukura kwemhando. Nekuda kwekugumira kwenzvimbo iripo, mapuranga akapfurwa-maviri-akadhindwa haakwanise kuwedzera kuwedzera kwekuwedzera kwesyrenity. Naizvozvo, zvakafanira kufunga nezvekushandiswa kwemabhodhi edunhu akawanda nehuwandu hwakakwira hwemagariro uye musangano wepamusoro wekuwedzera. Magorodhi wedunhu akave akashandiswa zvakanyanya mukugadzira zvigadzirwa zvemagetsi nekuda kwekugadzira kwavo dhizaini, yakagadzikana uye yakavimbika yemagetsi kuita uye yakakwirira yehupfumi kuita kwehupfumi.