Reviews Wireless Ultrasonic Water Level Sensor

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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Fluval Ribbed Hosing for 306/307 - 406/407 9.8Ft A20015

  • Kamoer ATO one se automatic water replenisher, a good helper for the fish tank at home! It has the function of adding water overtime alarm to prevent water level overflow caused by sensor failure..
  • This ATO is equipped with S1 float sensor, also called anti-overflow sensor (to prevent excessive water replenishment and water overflow), S2 optical sensor (also called water replenishment sensor) and S3 water replenishment bucket level sensor. It detects the water level of the refill bucket. . Usually note: In the case of ATO running normally, S1 is not working, and the float state is sinking. S2 works..
  • In daily use, S2 is a sensor that detects the lowest water level. The function of S1 is to cause the float to rise when the water level exceeds the S2 optical sensor and reaches the S2 float sensor when S2 fails (for example, foam is generated in the sea tank, etc.) Alarm, stop refilling..
  • The float sensor detects whether the water replenishment tank is short of water, and once the water is short, it will stop and alarm..
  • Please install the sensor correctly (the main picture has a picture description), otherwise the product will not work. And the distance between the two sensors is not less than 10cm. The height difference between the make-up bucket and the ....
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Mini Candy Kettle Halloween Cauldron Witch Pot Party Favor Cups Decor St Patricks Day Pot of Gold Holder - 12 Pieces

  • Halloween Decoration: The Halloween Mist Maker has 12 LEDs which cycle through different colours,Red/Blue/Yellow Mixed Colors rotation combined with....
  • High-quality Materials: Halloween black cauldron with mist maker fogger using ABS plastic or zinc alloy, non-toxic, odorless, sturdy and durable, safe....
  • Intelligent Control: Halloween Witch Cauldron, a built-in low water level sensor, if the water level becomes too low, the device can be automatically....
  • Halloween Must-haves: Black Witch Cauldron with multifunctional ultrasonic atomizer, atomization volume ≥ 300mL / H, No heat or chemicals used, can....
  • Multi-occassion: 13*13*11cm(5.1*5.1*4.3in) Black witch cauldrons buckets with handles, easy to pick up and use anytime, anywhere, perfects decorations....
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Humidifier, Mini Humidifier with LED Night Light, Cool Mist Humidifier, USB Personal Desktop Humidifier for Car, Office Room, Bedroom, Auto Shut-Off, 2 Mist Modes Lasts Up to 6 Hours, Super Quiet

  • 【Portable Mini Humidifier】: Humidifier is compact and convenient to use in the office, yoga, car, bedroom, and travel scenes. It is easy to carry. It is powered supply by USB, so you could connect it with all USB interfaces..
  • 【Quiet Ultrasonic Operation】: This humidifier can make some noise when they’re producing moisture. They’re usually fairly quiet — they shouldn’t disturb anyone in the family while they’re sleeping, reading, or trying to work. Silence operation below 26dB allows you to sleep easily in a comfortable and quiet environment..
  • 【Two Spray Modes】: This portable Humidifier has two mist modes. When you press the button the first time, it will continuously spray, When you press again and it will intermittently spray, for 6 hours. The built-in water level sensor inside that will automatically power off when the water is lower than the safe water level..
  • 【Colorful Night Light】: This cool mist humidifier has a VIVID colorful light setting creates a peaceful ambiance while delivering a soothing mist. It offers maximum relaxation for you..
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PureGuardian 10L Output per Day Ultrasonic Warm and Cool Mist Humidifier, Large Room, Home, Office, Easy Quiet Operation, Digital Display, Auto Humidistat, Timer, Auto Shut-Off, Pure Guardian H7550

  • WARM AND COOL MIST HUMIDIFIER: The PureGuardian H7550 ultrasonic cool mist humidifier guards against dry air in the home, perfect for those with colds, allergies and dry skin.
  • The easy to fill 1.32 gallon tank covers 570 sq. ft. rooms and runs up to 90 hours.
  • SILVER CLEAN PROTECTED TANK: Silver Clean Protection fights the growth of slimy mold and mildew on the surface of the water tank a common problem with traditional humidifiers.
  • ULTRASONIC TECHNOLOGY: The H7550 disperses a soothing, cool mist into the air and is ultra quiet, making it ideal to have on while you sleep.
  • A smart mist sensor monitors the level of humidity in the room and adjusts to your selected level.
  • ADDITIONAL FEATURES: Digital display, night light, timer and 3 speed mist control.
  • A low water indicator light lets you know when to refill the tank.
  • Extended Reach Wands can be used to disperse an even mist throughout the entire room.
  • PureGuardian: by Guardian Technologies offers a full range of small appliance based solutions for happier and healthier lives at home, focused on creating powerful, safe and innovative technologies to help facilitate healthier, happier home environments.
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Guardian Technologies Pure Guardian H8000B Ultrasonic Warm Cool Mist Humidifier, 120 Hrs. Run Time, 2 Gal. Tank , 500 Sq. Ft. Coverage, Large Rooms, Quiet, Silver Clean Treated Tank, Extension Wand

  • WARM & COOL MIST HUMIDIFIER: The PureGuardian H8000B ultrasonic cool mist humidifier guards against dry air in the home, perfect for those with colds, allergies and dry skin.
  • The easy to fill 2 gallon tank covers 500 sq. ft. rooms and runs up to 120 hours.
  • SILVER CLEAN PROTECTED TANK: Silver Clean Protection fights the growth of slimy mold and mildew on the surface of the water tank a common problem with traditional humidifiers.
  • ULTRASONIC TECHNOLOGY: The H8000B disperses a soothing, cool mist into the air and is ultra quiet, making it ideal to have on while you sleep.
  • A smart mist sensor monitors the level of humidity in the room and adjusts to your selected level.
  • ADDITIONAL FEATURES: Equipped with an easy to use digital display, a night light, timer, 3 speed mist control, multi directional mist, automatic shut off when tank is empty, and a low water indicator illuminates when it's time to refill the tank.
  • PureGuardian: by Guardian Technologies offers a full range of small appliance based solutions for happier and healthier lives at home, focused on creating powerful, safe and innovative technologies to help facilitate healthier, happier home environments.
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