[elecena] ESP32 Industrial Relay Controller Module (10 I/O, RS485/Ethernet/WiFi/BLE)

[elecena] ESP32 Industrial Relay Controller Module (10 I/O, RS485/Ethernet/WiFi/BLE) - zmiany ceny ESP32-based industrial controller featuring relay outputs, optically isolated inputs, RS485, Ethernet, WiFi, and BLE for machine automation and monitoring.