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Water flow sensor consists of a plastic valve body, a water rotor, and a hall-effect sensor. When water flows through the rotor, rotor rolls. Its speed changes with different rate of flow. The hall-effect sensor outputs the corresponding pulse Signal.Working voltage    5V-24V Max..

A float switch is a device used to sense the level of liquid within a tank. The switch may actuate a pump, an indicator, an alarm, or other device. Use them with hydroponics, saltwater tank, freshwater tank, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating, pu..

It is a 125KHz contactless access control reader, preclude the use of advanced RF receiver circuit design and embedded micro-controller, combined with efficient decoding algorithms. It has received high sensitivity, current, single DC power supply, low price, high performance characteristics. Dust, ..

Product name : IP68 waterpoof plastic enclosureProducts model : BWP10802Products style: 2 styles (A1-light grey, A2-light grey with transparent cover)Product specification : 228*206 *113mm [8.98*8.11*4.45 inch]Material: abs plastic material  [Product characteristics :] 1 , product wit..

IntroductionThe A02YYUW Waterproof Ultrasonic Sensor is a reliable, high-performance ranging module designed specifically for makers and smart home enthusiasts. This IP67-rated sensor delivers stable distance measurements from 3cm to 450cm, even in harsh, humid environments. Featuring a tiny 3cm bli..

Features:A simple wifi board with 4MB flash based on ESP8266Default firmware: lastest MicroPython ESP8266 firmwareAdd Deep-Sleep jumperOptimize the circuit11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)1 analog input(3.2V max input)a Micro USB connectionlo..