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The RC switch measures the width of incoming RC pulses and compares it to a user-configurable threshold (with ±64 µs of hysteresis) to decide whether to activate the relay
and provides complete electrical isolation between the USB and I²C sides
Arduino Yun kompatibel für eine Entwicklungsbeschleunigung
bottom view
Dragino LWL04-EU868 LoRaWAN-Wassersensor bio-acc The RC switch measures theThe Dragino LWL04 is a compact LoRaWAN sensor for fast and reliable water leak detection. As soon as water connects the three adjustable metal probes on the bottom of the device, a leak event is triggered and reported via the EU868 LoRaWAN network. The sensor is particularly easy to install it doesn't require mounting, but simply needs to be placed on a flat surface. The height adjustable contacts ensure precise detection, only when there is actual
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