[elecena] STM32F446RCT7TR - zmiany ceny IC: mikrokontroler STM32 ARM; 180MHz; LQFP64; 1,8รท3,6VDC; STM32F4 STM32F446RCT7TR - 28.84 PLN https://elecena.pl/product/30493323/stm32f446rct7tr 2026-07-13 STM32F446RCT7TR - 28.78 PLN https://elecena.pl/product/30493323/stm32f446rct7tr 2026-09-10