ReviewsWireless Ultrasonic Water Level Sensor

2pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino Uno R3 Mega 2560 Nano Raspberry Pi 3 Smart Robotics Projects

HC-SR04 Ultrasonic Sensor Distance Module:using IO trigger for at least 10us high level signal..
The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back..
If the signal back,through high level,time of high output IO duration is the time from sending ultrasonic to returning.Test distance = (high level time velocity of sound (340M/S)/2..
Resolution:0.3 cm,Module precision:blind spots (2cm)-SUPER CLOSE..
The module performance is stable,measure distance accurately.SRF05,SRF02 ultrasonic ranging module comparable.This module is compatible with GH-311 anti-theft module..

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creatorele DC 12V 24V 32V Automatic Boat Bilge Float Switch Bilge Switches Flow Sensor for Automatic Electric Water Pump

【Bilge Float Switch】:Can be connected to various submersible pumps, bilge pumps,and water pumps .Shells made of high quality ABS material, the internal metal contacts to ensure reliable start / stop..
【Use with pumps】:Turn pump on when water level reaches 2″(51mm).
Turn pump off when water level reaches 3/4″(19mm)..
【Performance】:Long life, switching frequency up to 10 million times.
Ultrasonic welding, forming a seal, reliable and secure, not leaking..
【Specification】:Max Amps 12volts: 20A / Max Amps 24volts: 10A / Max Amps 32volts: 8A.
【Easy to Clean】:Ideal flow sensor for bilge pumps Latest design includes a removable base for easy cleaning and servicing..

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Blast Motion Replacement Wireless Sensor Charger | for use Golf, Baseball & Softball Sensors (900-00052)

COMPATIBILITY: This replacement charger is compatible with all Blast Motion Sensors (Not Included)..
HOW TO USE: To start the charging process connect the black Wireless Charger and the cable connection. Once the cable is connected to the Wireless Charger and the blast logo is facing up, the charging process can begin..
EASY TO USE: When the sensor is placed on the charger an audio tone will sound. There are 3 indicator lights on the charger:.
LED LIGHT INDICATORS: Red LED – The charger is not active (the sensor is not on charger or the sensor is fully charged). Blue LED – The sensor is charging. Green LED – The sensor is completely charged..
CHARGING TIME: A full charge takes 60 min. Once the sensor is charged you can see the battery level on the top right of the app. When the sensor is showing less than 20% battery level or the sensor LED starts to blink red, a charge is needed.
PACKAGE CONTAINS: Wireless Charger, 1m Micro USB Cable..
Included components: wireless charger, micro USB charging cable.

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Sump Alarm Wifi Water Sensor, Wireless Sump Pump Alarm with 10 Float Switch for Indoor Outdoor Use, Weatherproof Water Detector Alarm with Free Email Alert, Audible Alarm and Server-Side Backup

MONITOR WATER LEVELS from anywhere with a wireless water detector and septic alarm by Sump Alarm. Our flood sensor lets you know when water levels approach a dangerous stage..
INNOVATIVE WATER ALARM is the first outdoor wifi water leak detector. IP67-rated with gasketed enclosure and weatherproof components, Sump Alarm Water Alarm is ideal for lift stations, grinder pumps and pool sumps..
POLYPROPYLENE FLOAT SWITCH on our water sensor alarm detects changes within 6” for fast troubleshooting. Minimize property damage with quick notification from our water level sensor..
FREE EMAIL ALERTS from Sump Alarm Smart Water Sensor keep you informed from anywhere in the world. An optional monthly/yearly subscription service sends text and/or voice notices for the liquid level alarm..
Server-side backup of the water alarm detector alerts you to loss of power or internet. An LED light and a 90 db horn deliver visual and audible alerts from the moisture sensor..

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Wireless Parking Sensor Kit Reverse Radar System with 4 Car Backup Sensor Wireless LED Distance Display with Sound Warning + 4 Blue Car Reverse Sensor for Auto Vans RV Trailer

[High Quality Wireless Parking Radar] This parking radar system is equipped with a high-precision and highly agile ultrasonic sensor*4, a central....
[New Technology Upgrade] Support the wireless connection of the center control box and the LED display, free from the trouble of wiring clutter.Don't....
[Easy to Install] The wireless parking sensor kit saves you from the hassle of cluttering and affecting aesthetics, you no longer have to worry about....
[Reliable Components]4 full weatherproof Parking Sensor, Superior performance+ LED distance display, clear vision and friendly. Don't worry about it....
[Quality Warranty] Car Reverse Sensor Kit made of high-quality materials, excellent design ensures durability and excellent use. 24-hour high-quality....

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Car Humidifier Colorful Desktop Humidifiers TRUYOK Portable Mini humiterfier for Room Office Bedroom etc. with Auto Off, 2 Mist Modes, Super Quiet - USB (Pink)

...is built-in water level sensor inside that will automatically turn off the power after 6 hours. The Leak-proof nano design of this portable humidifier ensures the water mist is nano fine mist and keep you away from pouring liquid in accidence, NO NEED TO WORRY about your night table / phone / laptop anymore..
✅ 【ULTRASONIC OPERATION 】 Humidify your living space to prevent dry, stuffy air and flu/cold infecting your loved ones. Prevent dry and chapped skin in dry seasons with no noise. Note: Full refund or replacement for any quality related issue, one year warranty , 7 days , 24 hours online customer service, buy with confidence!.

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Mist Maker Fogger 3 Head Ultrasonic Air-Cooled Fogger Air Humidifier with Transformer for Garden Waterscape Pool Water Fountain Pond Atomizer Pond Rockery Fish Tank Vase Tank Grow Room US STOCK

【3 HEAD DESIGN】 - This mist market comes with 3pcs spray unit, brings huge quantity mist,also with water level sensor and new improved unscratchable ceramic smart disc..
【ULTRASONIC FREQUENCIES】- This 3-head mist maker humidifier utilizes electrical oscillation at ultrasonic frequencies to create the mist and water spray. This oscillation also produces negative ions, which help to freshen the air and the mist will add humidity to a room..
【EASY TO OPERATE】 - Put mist maker in the water, and plug it in then the mist appears. Copper cavity helps better heat dissipation, and the removable atomizing sheet is easy to replace..
【VARIOUS USES】 - This 3-head ultrasonic mist maker can be used in many horticultural applications. Like hydroponics, propagation, foliar feeding, grow room and greenhouse humidity generation, etc. You can put the fountain atomizer in your pond, rockery, fish tank, vase, tank, etc..
【100% SATISFIED SERVICE】 - US STOCK & FREE SHIPPING! FAST Delivery from our US warehouse(CA or NJ)! Wayclound is a professional team. If you have any questions about the product, please contact us. We will provide after-sales service 24 hours a day..

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Mxzzand 3in Industrial Robot Parts Accessories Omnidirectional Wheel Metal 2Pcs for Industry Production with 10pcs Driven Roller

...Pair, 2 Bridge Connectors, 3 Cube Connectors, 1 L Connector, 1 U Connector. 2 Snap Connector Caps, 2 3" Rectangle Connectors, 2 4" Rectangle Connectors, 2 5" Rectangle Connectors, 2 T Connectors, 8 Colored Foam Cubes, various screws and nuts.
2 Arduino-Uno-Compatible Boards, 1 USB A-B Cable, 1 Joystick, 1 RGB LED, 1 Ultrasonic Distance Sensor, 8 Red LEDs, 8 Green LEDs, 8 Blue LEDs, 8 Yellow LEDs, 2 7-Color LEDs, 2 GRB LEDs, 12 220 Ohm Resistors, 12 10k Ohm Resistors, 1 LDR VT90N2 Photoresistor, jumper wires, 3 10k Potentiometers, 1 Fullsize Breadboard, 6 Push Buttons.
1 9V Battery Holder, 1 Mini Breadboard, 1 Linkbot-Arduino Cable, 1 2-in-1 Dual Phillips/Slotted Screwdriver, 3 Snap Connectors, 1 Cube Connector, 1 L Connector, 3 Mounting Plates, 2 Sensor Bracket, 1 Li-ion Rechargeable Battery,.
1 Color Sensor, 2 Short Distance IR Distance Sensors,1 RGB LED Module with Common Positive Lead (Common Anode), 2 RGB LED Module with Common Negative Lead (Common Cathode), 2 Ultrasonic Range Sensors, 1 IR Range Sensor, 1 Cable for IR Range Sensor, 2 Light Sensors, 3 Line Following Sensors, 2 Touch Sensors, 4 Sensor Brackets, 4 Sensor Inserts, 1 Universal Pan-Tilt, 3 Pan-Tilt Mounts, PDF file for textbook "Learning Physical Computing with Arduino for the Absolute ....

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HiLetgo MEGA2560 ATmega2560-16AU Sensor Shield Sensor Expansion Board V2.0 with Bluetooth SD Card APC220 Wireless RF Ultrasonic Sensor Communication Interface

This MEGA Sensor Shield V2.0 dedicated sensor expansion board assembly market a variety of advantages in one of the expansion board design, PCB Immersion Gold processing technology..
Board not only all digital and analog interface to the steering gear line order form extended out, but also ad hoc Bluetooth module communication interface, SD card module communication interface, APC220 wireless RF module communication interface, and RB URF v1.1 ultrasonic sensor interface, independent expansion a more easy and convenient..
For beginners, do not have to worry about cumbersome and complex circuit connection, will simplify this circuit sensor expansion board in the true sense, it can often be easily connected with the sensor..
A sensor requires only a general 3P sensor cable (regardless of digital cable and analog cable), complete the circuit connection, the preparation of the corresponding program downloaded to MEGA controller reads the sensor data, or receive wireless module back pass data through the arithmetic processing, the final easy to complete your own interactive works..
Sensor Shield allows you to connect to various modules like sensors, servos, relays, buttons, potentiometers..

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2PCS TCS34725 RGB Color Sensor Module with IR Filter and White LED I2C Interface

Ultrasonic hc-sr04 distance measuring transducer sensor includes an ultrasonic transmitter, a receiver and a control circuit..
HC-SR04 consists of ultrasonic transmitter, receiver, and control circuit. When trigged it sends out a series of 40KHz ultrasonic pulses and receives echo from an object..
The distance between the unit and the object is calculated by measuring the traveling time of sound and output it as the width of a TTL pulse..
Ranging distance: 2cm~450cm: High precision: up to 0.3cm.
Input trigger pulse：10us TTL Level Working voltage：5V(DC).
Package Content: 5pcs HC-SR04 with a gift of 10 pcs female to male dupont cable.

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HiLetgo 5pcs HC-SR04 Ultrasonic Module Distance Sensor

The HC-SR04 ultrasonic sensor can send eight 40 kHz and detect whether there is any pulse signal back.If it back, a high level signal will be outputed by IO, and the duration of the signal is the time from sending ultrasonic to returning.
HC-SR04 Test Distance : high level time velocity of sound (340M/S) /2.
Equipped with anti-reverse pin socket – making the wiring much tighter and convenient.
Uses the MCU STC15W104 which has a built-in clock, no need of external crystal oscillator..

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