[elecena] STM32F407VET6TR - zmiany ceny Mikrokontroler ARM Cortex-M4 32bit 168MHz LQFP100 STM32F407VET6TR - 63.20 PLN https://elecena.pl/product/30733462/stm32f407vet6tr 2026-09-28 STM32F407VET6TR - 54.96 PLN https://elecena.pl/product/30733462/stm32f407vet6tr 2026-10-03 STM32F407VET6TR - 63.20 PLN https://elecena.pl/product/30733462/stm32f407vet6tr 2026-10-21 STM32F407VET6TR - 62.66 PLN https://elecena.pl/product/30733462/stm32f407vet6tr 2026-10-27