[elecena] ESP-WROOM-02U-N4

[elecena] ESP-WROOM-02U-N4 - zmiany ceny Moduł; Wi-Fi; transceiver; 4MB FLASH/PSRAM/160KB SRAM/KB ROM; 2.7-3.6V; 18x14.3x3.2m ESP-WROOM-02U-N4 - 16.08 PLN https://elecena.pl/product/30406209/esp-wroom-02u-n4 2026-06-13 ESP-WROOM-02U-N4 - 16.17 PLN https://elecena.pl/product/30406209/esp-wroom-02u-n4 2026-09-28