Isithombe 1. Usayizi wekhodi ye-PCB QR kanye nesithombe sokubekwa kokubuyekezwa kokukhiqiza kwe-PCB. Usayizi wekhodi ye-PCB QR kanye nokubekwa kunquma ukuthi amaskena angakwazi yini ukufunda ibhodi njalo ngokuhlanganiswa, ukuhlolwa, ukuthunyelwa, kanye nenkonzo yasensimini. Ikhodi encane kakhulu, ebonakalisa kakhulu, noma...








