[elecena] GD32E503R-START - zmiany ceny Zestaw Startowy GD32E503RET6; ARM Cortex-M33; USB B mini; RESET KEY; USER KEY; LED; GPIO; SWD; Arduino GD32E503R-START - 282.90 PLN https://elecena.pl/product/20982947/gd32e503r-start 2022-06-11 GD32E503R-START - 230.00 PLN https://elecena.pl/product/20982947/gd32e503r-start 2026-08-12