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The temperature & humidity sensor used in S31-LB is SHT31
Although not shown in the diagram
Includes: 4x SQ10 probes and pin tipped test needles (black)
Each phototransistor uses a capacitor discharge circuit that allows a digital I/O line on a microcontroller to take an analog reading of reflected IR by measuring the discharge time of the capacitor
intelligent trash can management system
Dragino WL03A-LS-EU868 solar powered LoRaWAN Non-Position Rope Type Water Leak Controller hub-zubehoer The temperature & humidity sensorThe Dragino WL03A LS is the solar powered version of WL03A LB, a LoRaWAN Non Position Rope Type Water Leak Controller designed for efficient water leakage detection. By placing the WL03A LB and its sensitive Water Leak Cable on the ground, any water presence triggers an alert and uplinks data to an IoT server via the LoRaWAN network. The device transmits data every 2 hours and during each water leak event, recording the leak count and duration. It
