[elecena] Particle Argon IoT Development Board (Wi‑Fi + Mesh + Bluetooth)

[elecena] Particle Argon IoT Development Board (Wi‑Fi + Mesh + Bluetooth) - zmiany ceny Compact IoT development board based on Nordic nRF52840 with ESP32 Wi‑Fi coprocessor, Bluetooth 5, IEEE 802.15.4 mesh networking, OTA support and Particle Device Cloud integration.