ReviewsUltrasonic Level Measurement

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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Metsoo Ultrasonic Dog Chaser, 2 in 1 Dog Bark Deterrent, Handheld Dog Training Tool of 16.4ft Range, Bark Control Device with Wrist Strap LED Indicate for Outdoor

  • ►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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Anti Barking Device Ultrasonic Anti Barking Sonic Bark Deterrents Bark Control Device Dog Bark Contrl Outdoor Birdhouse

  • Durable pet gentle bark control, pet training and weatherproof birdhouse barking deterrent: This ultrasonic outdoor bark control deter your own dog or....
  • Adjustable ultrasonic level control long range sonic dog bark deterrents: This dog ultrasonic deterrent is safe for small Medium Large dogs. Emits....
  • Effective range up to 50 feet sonic anti bark: outdoor bark control is automatically activated when it detects barks up to 50 feet away. It then emits....
  • Device 100% safe ultrasonic bark control outdoor, humane sonic bark deterrents and professional way to train your dog to stop barking with this....
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HiLetgo Analog Current Meter Sensor Module AC 0~5A Ammeter Sensor Board Based on TA12-100 for Arduino

  • 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 pulses and receives echo from an object, the duration of the signal is the time from sending ultrasonic to returning..
  • 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 width of a TTL pulse,hc-sr04 test distance following formula -- L = 1/2 × T × C ( L is the distance, T is the time between the emission and reception, and C is the sonic speed ).
  • 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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STÙNICK Dog Bark Deterrent with Multi-Function Dog Bark Control. Pet Anti-Barking Silencer and Trainer. No Collar Indoor & Outdoor Stop Barking Dog Devices

  • ►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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Winfend Solar Animal Repeller Ultrasonic Outdoor, Deer Repellent Raccoon Repellent Ultrasonic with Motion Sensor, Deter Unwanted Critters Such as Deer Raccoon Squirrel Dog Cat Birds Marten Fox

  • No Chemical, Repels Animals & Pest in A Human Way - Animal Repellent Ultrasonic Outdoor Solar Powered repels unwanted critters 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 place in 2-4weeks..
  • Wide Motion-Activated Sensor to Drive Away the Animal Automatically - This ultrasonic animal repeller outdoor is 110degree infrared sensor angle, max detection range is 25- 30feet. The detection distance reduces with smaller pest 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..
  • Different Frequency Modes with Ultrasonic Sound and Flashes - This Sonic Animal deterrent Outdoor can repel raccoon, deer....
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GORNORVA Aluminum Mist Maker Mini Fog Maker, 12 LED Mister Maker UL Certificated Fog Machine Atomizer Air Humidifier for Water Fountain Pond Rockery Vase Birdbath Hallween Decor

  • ❤SAFE TO USE WITH AUTOMATIC POWER-OFF: SAFETY ALWAYS COMES FIRST. With passed the UL certification, this ultrasonic mist maker is no any safety issues for you to use. 24V output voltage safe design make this pond mister no potential dangers as well. Equipped with intelligent sensor, the power would be automatically turned off once the water level is below 1.38 inch. Create dense mist for your small pond or water tank in seconds with this ultrasonic mist maker fogger!.
  • ❤WATERPROOF DESIGN MIST MAKER: Waterproof design ultrasonic fogger, you don't need to worry about it would break down due to soaking in the water for a long time. Equipped with 94.48in(2.4m) long adapter cable, it's completely long enough for creating mist for indoor or outdoor fountains, aquarium, water feature or office room use. In order to ensure the life circle of this atomizing slice, we highly recommend that this mist ultrasonic fogger can not working continuously over 10 hours..
  • ❤BEST FESTIVE ATMOSPHERE MAKER: This plant humidity fogger can produce a large amount of mist in an hour like aerosolized amount ≥ 300ml/H and water splash about 3.15inch in height. No any heat or chemicals used. With 12 LED corlorful light, color and patter change automatically. Ideal for creating....
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Anti Barking Device Ultrasonic Barking Control Device Waterproof Outdoor Anti Bark Deterrents in Birdhouse Shape

  • Durable pet gentle bark control, pet training and weatherproof birdhouse barking deterrent: This ultrasonic outdoor bark control deter your own dog or....
  • Adjustable ultrasonic level control long range sonic dog bark deterrents: This dog ultrasonic deterrent is safe for small Medium Large dogs. Emits....
  • Hanging rope included barker breaker: This dog barking control birdhouse is esigned to hang/mount on a tree, wall or fence post to keep your own dog....
  • Effective range up to 50 feet sonic anti bark: outdoor bark control is automatically activated when it detects barks up to 50 feet away. It then emits....
  • Device 100% safe ultrasonic bark control outdoor, humane sonic bark deterrents and professional way to train your dog to stop barking with this....
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LuckyDarling Outdoor Barking Control Device Ultrasonic Stop Barking Sonic Bark Deterrents Dog Silencer Bark Box for Small Medium Large Dogs in Birdhouse Shape BlackBirdHouse 17*13.5*13.5cm

  • 【ULTRASONIC BARK DETERRENT】LuckyDarling Bark controller emits an ultrasound sound to stop excessive, noisy dog barking. Ultrasonic bark control....
  • 【ADJUSTABLE ULTRASONIC LEVEL】Ultrasonic anti bark device has 3 range levels and a test mode. Including: Low Sensitivity (15 feet), Medium....
  • 【SUITABLE FOR OUTSIDE】Designed for outdoor use, weather conditions will not affect the performance of dog barking deterrent devices..
  • 【HUMANE】The ultrasonic frequency of anti barking device outdoor is aimed at pets and inaudible to human ears. No electric shock, no need to take....
  • 【EASY TO INSTALL & USE】The dog barking control devices come with a well-designed mini shape. Hanging or mounting on a tree, wall or fence post to....
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