Smraza 5pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino R3 MEGA Mega2560 Duemilanove Nano Robot XBee ZigBee: Amazon.com: Industrial & Scientific
Amazon.com: 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+ : Industrial & Scientific
Ultrasonic Module with 2.5M Cable, Waterproof JSN-SR04T Integrated Sensor Reversing Radar DC 5V Measuring Ranging Transducer Module for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: EPLZON HC-SR04 Ultrasonic Module Distance Sensor fit for Arduino UNO MEGA Nano Robot XBee ZigBee (Pack of 5 pcs) : Industrial & Scientific
Amazon.com: 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+ : Industrial & Scientific
Measuring Module Ranging Ultrasonic Distance Sensor for Obstacle Avoidance in Raspberry Pi or Arduino Projects Pack of 2 : Amazon.ca: Industrial & Scientific
Amazon.com: OSEPP | Ultrasonic Sensor Module | Ages 5+ | Works with Arduino : Electronics
HY-SRF05 SRF05 Ultrasonic Distance Sensor Module 5Pin DC 5V for Arduino UNO Replace SR04 Electronic Brick Compatible Interface: Amazon.com: Industrial & Scientific