ReviewsUltrasonic Distance Sensors

ACEIRMC HC-SR04 Ultrasonic Sensor Distance Module for Nano Robot XBee ZigBee by ElecRight（5pcs

  • HC-SR04 Ultrasonic Sensor Distance Module: using IO trigger for at least 10us high level signal.
  • This module has stable performance and accurate measurement distance..
  • Detection distance: 0.78~196 in/ (2cm~500cm).
  • This module is fully Compatible with GH-311 anti-theft module..
  • HC-SR04 Ultrasonic Sensor Distance Module for Nano Robot XBee ZigBee by ElecRight.
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New 4 Parking Sensors LED Display Car Reverse Backup Radar System

  • ► 4 ULTRASONIC SENSORS - The Zone Tech car reverse radar system is equipped with 4 sensor system installed at the rear bumper of car, double CPU and advanced chipset for enhanced coverage and detection..
  • ► LED DISPLAY - The Zone Tech car reverse radar system is equipped with colored LED digital display, composed with 3 colors.
  • green, yellow and red, which shows the distance between the car and obstacle..
  • ► INCREASES SAFETY - The Zone Tech car reverse radar system helps to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. The radar system can detect small children and low walls as well..
  • ► PREMIUM QUALITY - The Zone Tech car reverse radar system is made from premium quality materials to ensure durability and longevity. The radar sytem is designed with protective circuits and high quality components to prevent the product from overheating or overloading..
  • ► WEATHERPROOF - The Zone Tech car reverse radar system has an adaptive environment technology. This helps protect the radar system from freezing and is solid weather proof..
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Silent Ultrasonic Anti-Spy Audio Recording Blocker | Covert Powerful Microphone Suppressor Device | Compact White Noise Generator | Secretly Stops Hidden Voice Recordings

  • MAXIMUM PROTECTION FROM ALL SOUND RECORDING DEVICES USING 7 ULTRASONIC TRANSDUCERS that ensure protection in front and across the device. Use it as a “Virtual Wall” to protect yourself from All Recording Devices..
  • HIGH SUPPRESSION POWER AND ACTION RANGE. This microphone blocker emits a very powerful ultrasonic signal (not less than 120 dB) which suppresses microphones at a maximum distance of 7m (23 ft). The distance is shortened to 2 m (7 ft) for newest iPhone models with an improved noise cancelling system..
  • SOPHISTICATED ULTRASONIC PATTERN that is effective against newest noise-canceling and water-resistant phones. Range and effectiveness can be increased when used with one or more external ultrasonic speakers (sold separately)..
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ELEGOO 5PCS HC-SR04 Ultrasonic Module Distance Sensor Compatible with Arduino UNO MEGA Nano Robot XBee ZigBee

  • Ultrasonic hc-sr04 distance measuring transducer sensor.
  • 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..
  • Package Content: 5pcs HC-SR04 with a little gift.
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Enerlites MWOS-W Motion Sensor Switch Ultrasonic and PIR Dual Technology Occupancy Sensor Motion Sensor Light Switch NEUTRAL WIRE REQUIRED Wall Plate Included White

  • Dual technology motion light switch combines passive infrared (PIR) and ultrasonic sensors in one sensor switch for enhanced accuracy and to detect....
  • Combination of PIR and ultrasonic sensors eliminates false positives by preventing lights from shutting off when the room is still occupied.
  • Ideal for private or executive offices, meeting rooms, restrooms, libraries, classrooms, and other spaces where limited movement is likely to occur to....
  • Customizable settings, such as adjustable time delay, detection range, light level. Change between occupancy/vacancy modes and set different....
  • Neutral wire required for installation. Single-pole use only. 120/277VAC. Incandescent: 800W. Major movement coverage: 1200sq ft., Minor movement....
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Ultrasonic Animal Repeller, Solar Animal Repellent Outdoor Waterproof & Drop-Proof, Solar Animal Deterrent 5 Modes with Motion Sensor , Bird Deer Squirrel Raccoon Repellent for Garden

  • 【Humanized Designed Solar Animal Repeller】This solar animal repeller makes animals feel uncomfortable and escape the area by emitting ultrasonic waves and 360°flash light with alarm sound. Harmless and environmentally friendly, will not harm animals, let alone affect humans. Our ultrasonic animal repellent is also very easy to use and can be inserted into the soil using the provided nails or hung on a tree or wall. Just point it at the area you want to protect to ensure the best results..
  • 【Effective Animal Repellent technology】This outdoor animal repellent ultrasonic features the most advanced ultrasonic technology to generate powerful ultrasonic waves (15khz-50khz), the built-in infrared PIR motion detection sensor is highly sensitive and can sense tiny movements within a 110°angle, the distance can be up to 33 Ft. When the cat deterrent outdoor infrared sensor detects an animal intrusion, it activates an ultrasonic system to repel animals and insects..
  • 【Five Operation Modes & Easy Adjustment】The ultrasonic cat repellent has 5 insect repel modes: ultrasonic, alarm, strong LED light flashing. Different modes can effectively act on different animals, which can be switched by turning the sensitivity knob of the solar animal repeller, and th....
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CUQI Ultrasonic Module Distance Measuring Sensor Module Kit Transmitter and Receiver Module Compatible with DIY Robot Car/Raspberry Pi 4B 3B+ 3B 4PCS …

  • Ultrasonic module distance measuring transducer sensor..
  • HC-SR04 consists of ultrasonic transmitter, receiver, and control circuit. When trigged it sends out a series of 40KHz ultrasonic pulses and receives....
  • Power Supply: DC 5V, Quiescent Current: less than 2mA.
  • Compatible with DIY Robot Car/Raspberry Pi 4B, 3B+, 3B.
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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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Elliot Jonah Car Blind Spot Monitoring System, Ultrasonic Blind Spot Detection System Sensor BSD Distance Assistant Car Lane Changing Warning Reversing Radar

  • ...e snow,you can be alerted whenever there is a moving object pop into the rear of the vehicle, with the aid of LED lighting on , blinking, buzzer sound so that the driver can be cautious when lane changing to avoid the possibility of side crash accident..
  • 5. 【What You Will Get】You will receive 1 x Control box,2 x Ultrasonic sensors,2 x Blind region monitor (or LED light),1 x Main wire harness with buzzer.This is a DIY product and is recommended to be installed by a professional.We believe that you will be impressed with our durable and high quality products!.
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Coredy R750 Pro Robot Vacuum and Mop Combo 2700Pa Max Suction Ultrasonic Detection Boost & Avoidance Compatible with Self Empty Station Smart AI Dynamic Navigation Robotic Vacuums for Carpet

  • AI Dynamic Pathfinder: The R750 Pro robot vacuum cleaner is an innovative upgrade to R750, running on a new pioneer AI max chipset, with intelligent....
  • Vacuum & Mop In-One-Go: With ultra-strong 2700pa suction power delivers surge power to suck up any debris and dust from various floors, combo with a....
  • Ultrasonic Detection Sensors: The ultrasonic detection sensors can effectively differentiate floor and carpets, automatically boost suction power....
  • One Robot, Dual Usages: R750 Pro can works with Self-Empty Station, a simple alternative that turns your traditional intelligent robot cleaner into an....
  • App and Voice Control: Just lay back and have fun observing where your R750 Pro goes on the real-time map via the Coredy app. Moreover, quickly seek....
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Solar Animal Repeller Outdoor,Solar Pest Ultrasonic Animal Repellent,Motion Sensor Animal Deterrent Devices Outdoor with Sound and Flashing Lights Effectively Scares Away Cats,Dogs,Foxes,Rabbit,Birds

  • 【Safe and Easy to Use Dog Deterrent】Simply insert the ultrasonic cat repeller outdoor into ground soil with full sun and turn it on.Place the device 5 inches from the ground, depending on the eye height of the predator you want to deter.For best results, you can place repellers in different positions to improve the repelling effect in all directions,and face the motion sensor cat deterrent in the direction of intruder activity..
  • 【Racoon Repellant Products in Multiple Modes】The solar ultrasonic deer repeller has 5 modes for adjustment,and different modes can effectively act on different animals.The sensitivity button can adjust the sensitivity and sensing distance.5 working modes using ultrasonic,alarm,strong LED light flashing.The built-in light brightness detector automatically starts at night.Ultrasonic cat repeller outdoor solar effectively repels cats,dogs,deer,rabbits,raccoons,boar,squirrels and other animals..
  • 【Humanized Designed Solar Animal Repeller】This animal deterrent devices outdoor is harmless and environmentally friendly,when the animal enters the area, the infrared sensor is triggered, the red LED lights up, the product senses the animal, and emits ultrasonic waves, voice, and a strong flash of two-color lights that make the ....
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