The sensor's contacts are bolted together. It was discovered that there was only one sensor, but it had two trigger points, when I unscrewed them and attached plates with wires. I used the example of a point light bulb for the second point. Behind the kitchen set, below, is the actual cottage, which is entirely shuttered. Everything functions if there is a direct connection between the sensor and the hub, a wall, three kitchen cabinet cabinets, and a wall.
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