Reviews Ultrasonic Obstacle Sensors

DOGTEK Sonic Bird House Bark Control Outdoor/Indoor

  • 3 built-in bark sensors and 1 XL ultrasonic loudspeaker.
  • 4 sensitivity settings to indicate what barking level activates the unit.
  • Effective on most dogs within range (some dogs may not be responsive to ultrasonic correction).
  • Weatherproof and durable for outdoor as well as indoor use.
  • Operates using 6 AA batteries (not included).
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ELSNU Backup Radar System Car Auto Vehicle Reverse with 8 Parking Sensors kit Distance Detection LCD Distance Display Sound Warning …

  • Note: Customer feedback has 2 sensors not working! Because when reversing (when the yellow line has voltage), the middle obstacle in front of the car does not affect the reversing. Therefore, the two sensors in the middle are not activated, and more resources of the control box are used on other sensors to make the data faster and more accurate! They are activated when the car moves forward!.
  • 1: When reversing, activate the rear 4 sensors and the front 2 sensors to detect and alarm. During normal driving, when braking, the 4 sensors in front of the car are activated to assist the driver to safely pass through narrow passages. When you release the brake, the parking sensor will work for about 15 seconds before stopping..
  • 2: Probe behind the car to prevent collision, probe in front of the car to prevent rubbing..
  • 3: On the display, there are 8 light bars representing each sensor, allowing the driver to distinguish the orientation of obstacles..
  • 4: The product has three alarm sound modes, real voice/beep/mute, which can be switched between each other..
  • 5: The product has 7-speed volume adjustable..
  • 6: The product alerts the driver through sound, numbers, and light bars at the same time..
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Xiaomi Mi Robot Vacuum Mop 2 Pro+, 3000Pa Suction Power, 5,200mAh Battery, 550ml dust Box for Sweeping, 250ml Water Tank, Black

  • S-Cross3D Obstacle Avoidance Technology: Xiaomi Mi Robot Vacuum Mop 2 Pro+ is with ToF 3D distance detection and obstacle avoidance technology, through accurate calculation and intelligent perception, it can quickly achieve the distance to the obstacle detection and obstacle avoidance..
  • 3D Vslam Visual Navigation: Xiaomi Mi Robot Vacuum Mop 2 Pro+ is equipped with 3D VSLAM (Visual Simultaneous Localization and Mapping) algorithms, infrared, ToF, dual-gyro, optical, and cliff sensors, which can create a map of the entire place and also avoids obstacles..
  • 3000 Pa Suction Power: Xiaomi Mi Robot Vacuum Mop 2 Pro+ is with 3000Pa strong suction power, 4-speed adjustable suction power, 550ml large-capacity dust box, large-diameter suspension nozzle close to the ground, with 0.1mm super dense fiber main brush and double filter, bringing more meticulous and efficient cleaning experience..
  • Integrated Sweeping And Mopping Design: Xiaomi Mi Robot Vacuum Mop 2 Pro+ comes with a 250ml intelligent electronically controlled water tank, 3 gears of water regulation, which is enough to wet for 160m.
  • 5200mah High-capacity Battery: Xiaomi Mi Robot Vacuum Mop 2 Pro+ is powered by a 5200mAh lithium battery, up to 3 hours of battery life in the standard mode. Maximum housing ar....
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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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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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Remote Control Bird Toy RC Helicopters Bionic Flying Bird Toys Mini Drone-Tech Toy Smart Flying Easy Control Indoor Outdoor RC Toy for Kids Boys and Girls Go Go Bird Yellow

  • Go Go Bird Flying Toy with 7 Colors LED light: Flapping wings make it look like a real bird in flight! Just gently toss the toy bird and it starts to....
  • Autonomous Obstacle Avoidance: With a smart obstacle-avoiding module that uses infrared sensors, Go Go Bird is capable of autonomous obstacle....
  • 6-Axis Sensor: With Integrating bionics, AI, aerodynamics and precision machinery technology, Go Go Bird flying toy can offer you amazing....
  • Lightweight Design for Play: The flying bird is made of high grade environmental-friendly material which is lightweight, flexible and collision....
  • Great Gift for Kids: Go Go Bird smart flying toy has the rechargeable Lithium battery that only needs 20 minutes to charge fully. Kids can "Play"....
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5pcs Ultrasonic Module HC-SR04 MELIFE Distance Sensor with 3pcs Mounting Bracket 2 Wire Set for Mega R3 MEGA Mega2560 Duemilanove Nano Robot XBee ZigBee

  • Parameter -- New Version Power Supply: 3.3V -- 5V DC.
  • 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 x T x C (L is the distance, T is the time between the emission and reception, and C is the sonic speed)..
  • Package Include: 5 x New Version HC-SR04 Ultrasonic Sensors, 3 x Mounting Bracket with Screws, 10 x Female-Male Dupont Cables, 10 x Female-Female Dupont Cables..
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OSOYOO Model 3 Robot Car DIY Starter Kit for Arduino | Remote Control App Educational Motorized Robotics for Building Programming Learning How to Code | IOT Mechanical Coding for Teens Adults

  • ...ors and get hands-on programming, coding, electronics and robotics experience.
  • THE BEST VALUE PACK — This Ultimate Gift Bundle Includes Everything You Need To Build and Engineer Your Own Robotic Car: Basic Board for UNO, USB Cable, Motor shield for UNO, Bluetooth Module, Ultrasonic Sensor & Holder, Servo Motor, Tracking Modules, Buzzer Sensor Module, Infrared IR Remote, & Receiver, 9V Battery Box, Voltage Meter, Acrylic Car Chassis, Motors & Wheels.
  • STEP BY STEP TUTOTIAL - The tutorial will teach beginners how to program, and how to assemble and control robot car step by step. You can follow the tutorial and gradually become a master..
  • GROWS WITH YOU – OSOYOO Robot Car Kit for Arduino is a perfect gift for your who are interested in programming, robotics, electronics, or mechanical design as it can improve logical thinking, mechanical, and electrical abilities of your and let your learn how to build and program fully-functional robots.
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Yahboom BBC Micro:bitV2.2 V2 V1.5 Coding Robot Car Kit STEM Education for Kids to Programmable DIY Toy for 12+ (Without Micro:bit)

  • ...ot structure as chassis of the vehicle, it is equipped with RGB lights, sensors, buzzers, various module interfaces and so on, besides, it can drive 2 DC motors and 3 servos simultaneously..
  • It can be controlled by IR remote control, and APP remote control by Android and iOS.It supports multiple functions: tracking, ultrasonic obstacle avoidance, following, light discoloration, singing, playing music, etc. Handle control (please order the handle separately: B07YYFDYW5, the handle also needs a separate micro:bit).
  • ★Note 1: Children without programming foundation need parental support ★ Note 2: You need to prepare micro: bit (v1 or v2）) for yourself. Without micro: bit, the robot can't work properly.If you need to order the micro: bit version, please search ASIN: B08F9WGK71. ★Note 3:The robot kit is not assembled,you need to install it yourself..
  • It supports JavaScript graphical programming, Python and other micro:bit programming methods.More than 30 kinds of experiment courses are provided.Please contact Yahboom, we will solve all the doubts about the product for you.If you have no experience, you can find the initial use video "Micro:bit Robot Initial Tutorial Video" at the bottom of the page.
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