Octal3: No Power. It Still Holds. Gallery

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created by Arshia Keshvari • 07/22/2026 at 15:45

IoTextra Octal3 brings latching I/O to IoTflow and IoThome so your relays stay exactly where you left them, even after a power cut.

hardware

Software

completed project raspberry pi iot smart home mqtt Relay Node-RED ENVIRONMENTAL monitoring INDUSTRIAL automatioN blynk ESP32 Tasmota