[elecena] RF ESP32C3-WROOM02UN4 RF ESP32C3-WROOM02UN4 - zmiany ceny Moduł IoT; 32-bit; 384kB-ROM; 408kB-SRAM; 4MB-Flash; WiFi 802.11; Bluetooth 5.0; GPIO; SPI; UART; I2C; I2S; 3V~3,6V; -40°C~85°C; 18x14,3x3,2mm; ESP32C3-WROOM02UN4; RF ESP32C3-WROOM02UN4 RF ESP32C3-WROOM02UN4 - 9.94 PLN https://elecena.pl/product/29879893/rf-esp32c3-wroom02un4-rf-esp32c3-wroom02un4 2026-02-25 RF ESP32C3-WROOM02UN4 RF ESP32C3-WROOM02UN4 - 10.21 PLN https://elecena.pl/product/29879893/rf-esp32c3-wroom02un4-rf-esp32c3-wroom02un4 2026-10-01