YWBL-WH DC 12-15V(AC 9-12V) Water Level Controller Module Water Level Detection Sensor Module For Fish Aquarium

Newzoll 5Pcs Rain Water Level Sensor, Liquid Level Detector For Arduino Raspberry Pi, Module Depth Of Detection, 62x20x8 mm

1PCS Water Level Controller Switch Module Sensor Controller 5V/12V Switch YT

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Yolink Smart Water Valve Controller 2, With Bulldog Water Valve Manipulator, Easy No-Plumber DIY Installation, Remote Control, Compatible With Alexa/

Yolink DIY Automatic Water Leak Detection & Shut-Off Starter Kit, EVO Valve Operator, Wireless Valve Controller, (3) Leak Sensors, Hub

Yolink X3 Version Smart Water Valve Controller, With Valve Operator, Easy No-Plumber DIY Installation, Remote Control, Compatible With Alexa/Google

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DIGITEN G1/2" Water Flow Sensor With 1.2M(3.9Ft) Cable, Hall Effect Sensor Flow Meter Flowmeter Counter 1-30L/Min - Arduino, Raspberry Pi, And Reverse

Arduino Limit Switch, End Stop Switch. Arduino. Limit & Snap Action Switches.