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Purchase the 4 Channel (I2C or SPI) 3
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Always perform calibration tests with liquids similar to your actual application for best accuracy
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220AC Acoustic-Light Sensor Switch Module Auto On Off Light Smart Switch For Corridor Bath Warehouse Staircase Red PBS-11B 2PIN 12mm No Lock Push Button Momentary Switch 3A 250V Purchase the 4 Channel (I2C220AC Acoustic Light Sensor Switch Module Auto On Off Light Smart Switch For Corridor Bath Warehouse Staircase 220AC Acoustic Light Sensor Switch Module Auto On Off Light Smart Switch For Corridor Bath Warehouse Staircase Install 220AC Acoustic Light Sensor Module Auto On Off Light Smart Switch. which directly works on AC supply to control applications up to 40W. It is very easy to install and Operate. with work on the sound. Producing sound around