[elecena] Wi-Fi/Bluetooth module ESP32-S2-SOLO-2U-N4R2 - zmiany ceny Wi-Fi/Bluetooth module ESP32-S2-SOLO-2U-N4R2 - 3.87 EUR https://elecena.pl/product/30823583/wi-fi-bluetooth-module-esp32-s2-solo-2u-n4r2 2026-10-19 Wi-Fi/Bluetooth module ESP32-S2-SOLO-2U-N4R2 - 3.69 EUR https://elecena.pl/product/30823583/wi-fi-bluetooth-module-esp32-s2-solo-2u-n4r2 2026-10-29