[elecena] Wi-Fi/Bluetooth module ESP32-S2-MINI-2-N4 - zmiany ceny Wi-Fi/Bluetooth module ESP32-S2-MINI-2-N4 - 3.51 EUR https://elecena.pl/product/30823576/wi-fi-bluetooth-module-esp32-s2-mini-2-n4 2026-10-19 Wi-Fi/Bluetooth module ESP32-S2-MINI-2-N4 - 3.39 EUR https://elecena.pl/product/30823576/wi-fi-bluetooth-module-esp32-s2-mini-2-n4 2026-10-29