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Two Time-of-Day Alarms
TR321 Series Router is a compact industrial cellular router
it can realize
Constant voltage (18V fixed) MPPT algorithm
Analog Water Pressure Sensor LoRa Antenna Two Time-of-Day AlarmsAnalog Water Pressure Sensor This is a water pressure sensor adopts DFRobot Gravity 3 pin interface. It supports standard 5V voltage input and 0. 5~4. 5V linear voltage output. It is compatible with multiple Arduino controllers. Briefly speaking, this water pressure sensor is a stethoscope to a water pipe. It will help you to diagnose whether there is water, how strong the water pressure is. It can be widely applied to smart home control systems
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