Reviews Ultrasonic Level

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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AOICRIE 5pcs HC-SR04 Ultrasonic Sensor Distance Module for Nano Robot XBee ZigBee by ElecRight for Ultrasonic Proximity Sensors Motion Detectors (5PCS)

  • Test mode :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 Ultrasonic Sensor Distance Module: using IO trigger for at least 10us high level signal..
  • Quiescent current: less than 2mA, Test distance = ((Duration of high level)*(Sonic :340m/s))/2..
  • The detection zone: 0.78~196 in/ (2cm~500cm).
  • High precision: up to 0.12 in/(0.3 cm) Effectual angle: less than 15°.
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Anti Barking Device, Rechargeable Bark Control Device with Effective 4 Frequency Levels and Adjustable Sensitivity, Mini Automatic Ultrasonic Dog Barking Control Devices for Most Dogs (Black)

  • 【】The rcxdalksdcilp mini bark control uses ultrasonic technology that allows humans to hear a slight sound but is not affected by the sound. When the sound starts, the dog will notice the sound and other family members or neighbors will not be worried about being affected. Ultrasound does not impose substantial penalties on the dog..
  • 【 】The built-in pickup can detect the dog's barking, and the dog barking control device will automatically emit ultrasonic waves that the dog can hear, effectively training your dog to stop excessive and noisy barking. After the dog stops, the ultrasonic barking control device automatically stops emitting ultrasonic waves..
  • 【 】The barking control device ultrasonic has a choice of 4 sensitivities. The environment can be set up with the best suitable gear, the induction distance can be selected, adjust the sensitivity to achieve. Level 1 is the least sensitive and level 4 is the most sensitive..
  • 【 】The rechargeable anti barking device ultrasonic has 4 frequencies to choose from, Each dog could choose the suitable frequency (15KHZ-30KHZ), and if the dog was not sensitive to ....
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Portable Household Ultrasonic Cleaner 2.0 Version, Professional Mini Immersible Ultrasonic Cleaning Machine, Jewelry Cleaner for Cleaning Fruit, Vegetable, Dentures, Dishes, Clothes, Glasses, Jewelry

  • 【Newest Technology】 The 2.0 version "ultrasonic cleaner" updates the main board to solve the problem that the previous generation product automatically shut down due to overheating after 5-10 minutes of operation. Ideal for cleaning jewelry, glass ,watch, dentures, fruit and vegetables, underwear, vinyl record, disk, razors, baby bottle and toys, tableware, cosmetic brush...etc..
  • 【Microscopic Level Cleaning】 The newest washing technology utilizes ultrasonic technology to remove tough stains from clothes and effectively sanitize fruits/vegetables from chemicals and pesticides residues at the cellular level which result in a deeper clean..
  • 【Premium-Grade Material】 The 360 degrees of portable ultrasonic cleaner is made from aluminum alloy as the surface of the cleaner is coated with insulation oxidizing sand blasting, thereby, greatly improving the service life of product..
  • 【Easy to Use】 After connecting the power supply, simply place the Ultrasonic Washing Device into a bowl /tank/ sink /bucket (anything can hold water ) with 3L-5 L of water. Then press the switch button and it will automaticall....
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VIIMI Anti Barking Device, Rechargeable Bark Control Device with Effective 4 Frequency Levels and Adjustable Sensitivity, Mini Automatic Ultrasonic Dog Barking Control Devices for Most Dogs (Black)

  • 【 】The ASNXBXW built-in pickup can detect the dog's barking, and the dog barking control device will automatically emit ultrasonic waves that the dog can hear, effectively training your dog to stop excessive and noisy barking. After the dog stops, the ultrasonic barking control device automatically stops emitting ultrasonic waves..
  • 【 】The rechargeable anti barking device ultrasonic has 4 frequencies to choose from, Each dog could choose the suitable frequency (15KHZ-30KHZ), and if the dog was not sensitive to this by using it for a long time, please change the different frequency better. The dog device is suitable for dogs between 6 months and 8 years of age, except for dogs with hearing impairments or under 6 months and special large dogs..
  • 【】The mini bark control uses ultrasonic technology that allows humans to hear a slight sound but is not affected by the sound. When the sound starts, the dog will notice the sound and other family members or neighbors will not be worried about being affected. Ultrasound does not impose substantial penalties on the dog..
  • 【 】The barking control devices shell UV resistance, not easy to fade. It can be easily hung on trees, indoor, and outdoor walls, or fences to stop any dog barking (an Ultrasonic an....
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Anti Barking Device, 2021 Upgrade Ultrasonic Bark Deterrents, Bark Control Device for Outdoor, Up to 50 Feet Range (Black)

  • ►ULTRASONIC BARK CONTROL:Leegoligo Latest upgrade version, Stop excessive, noisy dog barking by emitting an ultrasonic sound to silence the dog.
  • More effective than old version deterrents and waterproof..
  • ►SAFE AND EFFECTIVE: Contain sensitive microphone isolates, ultrasonic controller for bark with effective distance of 50 feet, and people couldn't hear the sonic (recommended starting mode for indoors is level 1, increase if needed)..
  • ►SUITABLE FOR VARIOUS SIZES: This mini bark control deterrents uses high-frequency sound that works to reduce excessive bark of dogs within hearing range.
  • For dogs 6 months and older UP TO 50 FOOT RANGE. Without need of traditional collar is safe for the most varieties of dogs..
  • ►THE SMALLEST ANTI BARKING DEVICE: This ultrasonic anti barking controller comes with a well-designed mini shape, can be hung on a tree, indoor, outdoor wall or fence post to stop any dogs barking(within range).
  • Four buttons for operation, including a test button, an off button and 3 level buttons..
  • ►ENERGY SAVING: Operates 9-Volt batteries (not included),average battery life 5-6 months depending on use..
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COCLPP Sonic Dog Barking Control Device,Ultrasonic Dog Bark Deterrent,Mini Dog Repellent 26 FT Range,Security Anti Barking Device Dogs

  • ►ULTRASONIC BARK CONTROL: Latest upgrade version, Stop excessive, noisy dog barking by emitting an ultrasonic sound to silence the dog.
  • More effective than old version deterrents and waterproof..
  • ►SAFE AND EFFECTIVE: Contain sensitive microphone isolates, ultrasonic controller for bark with effective distance of 26 feet, and people couldn't hear the sonic (recommended starting mode for indoors is level 1, increase if needed)..
  • ►SUITABLE FOR VARIOUS SIZES: This stop dog barking deterrent uses high-frequency sound that works to reduce excessive bark of dogs within hearing range.
  • For dogs 6 months and older UP TO 50 FOOT RANGE. Without need of traditional collar is safe for the most varieties of dogs..
  • ►THE SMALLEST STOP BARKING DEVICE: This ultrasonic dog bark deterrent comes with a well-designed mini shape, can be hung on a tree, indoor, outdoor wall or fence post to stop any dogs barking(within range).
  • Four buttons for operation, including a test button, an off button and 3 level buttons..
  • ►ENERGY SAVING: Operates 9-Volt batteries (not included),average battery life 5-6 months depending on use..
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COCLPP Sonic Dog Barking Control Device,Ultrasonic Dog Bark Deterrent,Mini Dog Repellent 50 FT Range,Security Anti Barking Device Dogs

  • ►ULTRASONIC BARK CONTROL: Latest upgrade version, Stop excessive, noisy dog barking by emitting an ultrasonic sound to silence the dog.
  • More effective than old version deterrents and waterproof..
  • ►SAFE AND EFFECTIVE: Contain sensitive microphone isolates, ultrasonic controller for bark with effective distance of 50 feet, and people couldn't hear the sonic (recommended starting mode for indoors is level 1, increase if needed)..
  • ►SUITABLE FOR VARIOUS SIZES: This stop dog barking deterrent uses high-frequency sound that works to reduce excessive bark of dogs within hearing range.
  • For dogs 6 months and older UP TO 50 FOOT RANGE. Without need of traditional collar is safe for the most varieties of dogs..
  • ►THE SMALLEST STOP BARKING DEVICE: This ultrasonic dog bark deterrent comes with a well-designed mini shape, can be hung on a tree, indoor, outdoor wall or fence post to stop any dogs barking(within range).
  • Four buttons for operation, including a test button, an off button and 3 level buttons..
  • ►ENERGY SAVING: Operates 9-Volt batteries (not included),average battery life 5-6 m....
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Mini Motion/Daylight Ceiling Sensor-DIM Kit

  • Combines passive infrared and ultrasonic technology providing the most accurate motion ceiling sensor possible. The ultrasonic sensor can defect fine movements such as typing, and flipping book pages.
  • The ceiling sensor is designed to be mounted about 8-10 feet off the ground. The implementation of two sensing technologies in each unit helps to avoid false triggering while still accurately sensing motion.
  • 6 different trigger modes that use a combination of both PIR and ultrasonic sensor. Has adjustable time delays via dip switch (5 sec - 30 min).
  • Multi-level Coverage, up to 1, 600 ft² PIR coverage and up to 1000 ft² ultrasonic coverage.
  • UL/ CUL Listed. Operating temperature (32 – 131°F).
  • California Title 20 and 24 compliant. 120/277 VAC, 1/4HP-120VAC.
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2023 Solar Ultrasonic in Repellent Defender Rat, Squirrel, Deer, Raccoon, Skunk, Rabbit, Mole, Dog, Cat, Waterproof with Motion Detector

  • Repels Burrowing Animals in A Humane Way - Animal Repellent Ultrasonic Outdoor Solar Powered repels unwanted animals by emitting ultrasonic sound and flashing when the PIR sensor detects a motion. It would make an uncomfortable circumstance where the animals are unbearable to stay and move to other places in 2-4 weeks..
  • Wide Motion-Activated Sensor to Drive Away the Animal Automatically - This ultrasonic cat repellent outdoor is 110degree infrared sensor angle, max detection range is 25- 30feet. The detection distance reduces with smaller animal sizes. Make sure to load enough repellents so as to cover up all the protected area. Note: Birds at ground level may be easily detected, but birds flying are more challenging to detect..
  • Solar Powered or USB Charged with Rechargeable Batteries - This Solar raccoon repellent deer repellent marten repellent ultrasonic can be charged via solar panel or USB cord (included), it includes 3xAA 800mAH NiMH batteries (included and replaceable), which can last up to 5-7days after fully charged. USB charge method can make sure you get charged during continues raining and cloudy days..
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Songhe HC-SR04 Ultrasonic Sensor Module Distance Measuring Sensor Module for Arduino UNO MEGA2560 Nano 5pcs

  • Operating Principle -- Ultrasonic hc-sr04 distance measuring transducer sensor, it consists of ultrasonic transmitter, receiver, and control circuit..
  • HC-SR04 ultrasonic sensor module -- Using IO trigger for at least 10us high level signal, when triggered it sends out a series of 40KHz ultrasonic....
  • Test Distance Formula -- The distance between the unit and the object is calculated by measuring the traveling time of sound and output it as the....
  • Package Include -- 5 X HC-SR04 Ultrasonic Sensors , 10 X Female-Male Dupont Cables , 10 X Female-Female Dupont Cables , 3 X HC-SR04 Mounting Bracket.
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UANAX Sonic Barking Deterrents Control Device,Ultrasonic Dog Bark Deterrent,Mini Sonic Repellent 50 FT Range,Ultrasound Silencer No Bark Training Control Device Security for Dogs

  • ►ULTRASONIC BARK CONTROL:Latest upgrade version, Stop excessive, noisy dog barking by emitting an ultrasonic sound to silence the dog.
  • More effective than old version deterrents and waterproof..
  • ►SAFE AND EFFICIENT: Contain sensitive microphone isolates, ultrasonic controller for bark with effective distance of 50 feet, and people couldn't hear the sonic (recommended starting mode for indoors is level 1, increase if needed)..
  • ►FOR DIFFERENT SIZES: This mini bark control deterrents uses high-frequency sound that works to reduce excessive bark of dogs within hearing range.
  • For dogs 6 months and older UP TO 50 FOOT RANGE. Without need of traditional collar is safe for the most varieties of dogs..
  • ►MINI DESIGN: This ultrasonic no barking controller comes with a well-designed mini shape, can be hung on a tree, indoor, outdoor wall or fence post to stop any dogs barking(within range).
  • Four buttons for operation, including a test button, an off button and 3 level buttons..
  • ►ENERGY SAVING: Operates 9-Volt batteries (not included),average battery life 5-6 months depending on use..
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UANAX Sonic Barking Deterrents Control Device,Ultrasonic Dog Bark Deterrent,Upgrade Mini Sonic Repellent 50 FT Range,Ultrasound Silencer No Bark Training Control Device Security for Dogs

  • ►ULTRASONIC BARK CONTROL: Latest upgrade version, Stop excessive, noisy dog barking by emitting an ultrasonic sound to silence the dog.
  • More effective than old version deterrents and waterproof..
  • ►SAFE AND EFFICIENT: Contain sensitive microphone isolates, ultrasonic controller for bark with effective distance of 50 feet, and people couldn't hear the sonic (recommended starting mode for indoors is level 1, increase if needed)..
  • ►FOR DIFFERENT SIZES: This mini bark control deterrents uses high-frequency sound that works to reduce excessive bark of dogs within hearing range.
  • For dogs 6 months and older UP TO 50 FOOT RANGE. Without need of traditional collar is safe for the most varieties of dogs..
  • ►MINI DESIGN: This ultrasonic no barking controller comes with a well-designed mini shape, can be hung on a tree, indoor, outdoor wall or fence post to stop any dogs barking(within range).
  • Four buttons for operation, including a test button, an off button and 3 level buttons..
  • ►ENERGY SAVING: Operates 9-Volt batteries (not included),average battery life 5-6 months depending on use..
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