Esp32 wifi + bluetooth-kompatible ble acht kanal relais ESP32-WROOM sekundäre entwicklung board netzteil dc 5v/7-30v
USD 19.45USD 28.19
Esp32 wifi + bluetooth-kompatible ble acht kanal relais ESP32-WROOM sekundäre entwicklung board netzteil dc 5v/7-30v