[elecena] MK21DN512AVLK5 - zmiany ceny IC: mikrokontroler ARM; 64kBSRAM,512kBFLASH; LQFP80; 1,71รท3,6VDC MK21DN512AVLK5 - 47.08 PLN https://elecena.pl/product/30722332/mk21dn512avlk5 2026-09-22 MK21DN512AVLK5 - 46.99 PLN https://elecena.pl/product/30722332/mk21dn512avlk5 2026-10-17