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4-kanal Diskrete Eingang Modul 220 VAC, optokoppler Isoliert + 3,3 V/+ 5V Logic Ausgang für Arduino ESP32 - AliExpress
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LILYGO®T-Relais ESP32 5V Relais Modul 8 Kanal Mit Optokoppler Isolation Drahtlose Entwicklung Bord WIFI Bluetooth Für Arduino
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LILYGO T-Relay ESP32 Wireless Development Board 5V 8 Kanal Relais TTGO Modul WiFi BLE mit Optokoppler Isolation für Arduino: Amazon.de: Computer & Zubehör
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LILYGO T-Relay ESP32 Wireless Development Board 5V 8 Kanal Relais TTGO Modul WiFi BLE mit Optokoppler Isolation für Arduino: Amazon.de: Computer & Zubehör
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LILYGO T-Relay ESP32 Wireless Development Board 5V 8 Kanal Relais TTGO Modul WiFi BLE mit Optokoppler Isolation für Arduino: Amazon.de: Computer & Zubehör
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