[elecena] STM32F031K4U6TR - zmiany ceny IC: mikrokontroler STM32 ARM; 48MHz; UFQFPN32; 2÷3,6VDC; -40÷85°C STM32F031K4U6TR - 7.56 PLN https://elecena.pl/product/29999757/stm32f031k4u6tr 2026-03-27 STM32F031K4U6TR - 7.52 PLN https://elecena.pl/product/29999757/stm32f031k4u6tr 2026-04-25