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Best Ultrasonic Distance Measurer

SunFounder Ultrasonic Module HC-SR04 Distance Sensor Compatible with Arduino R3 Mega2560 Duemilanove Nano Robot Rapsberry Pi 4B 3B+, 3B, 2 Model B & 1 Model B+

  • Ultrasonic hc-sr04 distance measuring transducer sensor, it consists of ultrasonic transmitter, receiver, and control circuit..
  • HC-SR04 Ultrasonic Sensor Distance 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..
  • 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 Content: 5 HC-SR04 Ultrasonic Sensors , 10 Female-Male Dupont Cables , 10 Female-Female Dupont Cables , 1 Exquisite package box.
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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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Magpie VH-80, Bilateral Laser Distance Meter + 2 Professional Magnetic Laser Target Plates

  • MEASURE DISTANCES FAST AND EFFORTLESSLY: Do you want to measure long distances, but there’s no one around to help you? The world’s first bilateral laser measurer is the tool you need to get the job done conveniently. This unique measuring device can measure any distance up to 262ft (80m) safely and conveniently without having to strain your body or use dangerous positions. Every professional construction worker and DIY'er needs this smart gadget..
  • Essential tool for Laser Distance Meter and Laser Level products. Best target plate for laser distance meter, laser level, laser measure, cross line lasers, alignment, rotary lasers, and all green and red beam laser level products (compatible with green and red lasers)..
  • Buy one and get one free! Two target plates per package. Especially for the VH-80 Magpie Bilateral Laser Distance Meter..
  • Magnet strip & Stand. Use it as a guide for measuring distances with a laser distance meter in situations where there is no reflective surface. Use the built-in stand or magnetic strip feature to position it. Scale displays both inches and centimeters..
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Ultrasonic Audio Recording Blocker | White Noise Generator | Powerful Microphone Suppressor Device | Prevent Voice Recording | BDA-3 (FCC, CE & ICES Compliant)

  • ULTRASONIC EXPOSURE + VOICE IMITATION = 100% microphone jamming.
  • 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 7 m (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)..
  • 7 ULTRASONIC TRANSDUCERS that ensure protection in front and across the device. Use it as a "virtual wall" to protect yourself from recording devices..
  • CAN BE USED ABSOLUTELY SILENTLY but best results achieved when ultrasonic and white noise interferences are combined..
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Excelity 3pcs Ultrasonic Module HC-SR04 Distance Sensor with 3pcs Mounting Bracket

  • [PACKAGE INCLUDED] 3pcs HC-SR04 distance measurement module & 3pcs mounting bracket for installation.
  • [FEATURE] These module is for distance measuring transducer that working with ultrasonic, they consist of ultrasonic transmitter, receiver, and....
  • [FUNCTIONAL PARAMETER] Effectual Angle: .
  • Resolution : 0.3 cm. Power Supply : 5V DC.
  • [UNIVERSAL COMPATIBILITY] Built in standard interface that can be controlled directly by microcontroller，such as 8051, AVR.
  • [WORKING PRINCIPLE] Using IO trigger for at least 10us high level signal, when triggered it sends out a series of 40KHz ultrasonic pulses and receives....
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MEAZOR Digital Measuring Tool, 6-in-1 Multifunction Laser Measure, 2D Floor Plan Scan, Laser Measure with Bluetooth, 80ft Digital Tape Measure, ±1/16-inch Accuracy, Mutiple Units M/Ft

  • MULTIFUNCTION AND WIDE APPLICATION: MEAZOR Integrates 6 Core Features in ONE Powerful Device: 2D Floor Plan Scanning - instantly capture the room in a diagram and transfer it to your smartphone MEAZOR App in seconds.
  • Scale/rolling ruler - Conversion among metric/imperial units and customized scales.
  • Laser Distance Measure: taking instant and reliable measurement up to 25meter /80 feet. Also empower Curve Measurer, Bubble Level, Protractor..
  • HIGH ACCURACY AND DURABILITY: The laser distance measurer records reliable measurements of up to 25 metres/80 feet, putting MEAZOR leagues above conventional laser measurement device with less than 1/16 inch error limits. The 184 PPI tempered glass touch screen and 4096 grade magnetic encoder are built to last, providing high-grade durability and stability for rolling function. The 550mAh battery also supports up to 30 days of wireless use on a single charge and supports USB-C charging..
  • MEAZOR APP TO COMPLEMENT ALL MEASUREMNT: With MEAZOR’s intuitive smartphone app comes in 9 languages, users can connect their smartphone via Bluetooth and can import designs, draw and edit plans, share and export 3 different types of CAD files seamlessly. The app also boasts space and dimension calculation feature..
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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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ALMOCN 6PCS HC-SR04 Ultrasonic Sensor Distance Module Measuring Ranging Sensor for Arduino

  • Ultrasonic hc-sr04 distance measuring transducer sensor, it consists of ultrasonic transmitter, receiver, and control circuit..
  • 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).
  • Mode of connection:4 pins VCC, Trig (control side), echo (receiver), out (empty),GND.
  • Application:for Robot obstacle avoidance, object distance measuring, liquid level detection, public security, parking lot detection..
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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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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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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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