IP68 Underwater Ultrasonic Obstacle Avoidance Sensor (3m, UART)
Aryan15_code 2025-11-18 17:35:02 18 Views1 Replies Hi DFRobot Team,
I am using the IP68 Underwater Ultrasonic Obstacle Avoidance Sensor (3m, UART). Sensor is working fine but sensor is giving the only distance. do you have other same like this sensor which can give me a TOF instead of distance that is fine for me .
2025-11-19 16:20:34 
ahsrab.rifat
Buy a waterproof piezo transducer (40 kHz or other frequency) and a small ultrasonic driver / analog front end. Send a transmit pulse from the MCU, capture the receive echo with an analog comparator / ADC, and measure the echo interval with a timer (this is TOF). This gives you the raw TOF you want and is the lowest cost and most flexible route. Lots of waterproof transducers are sold on supplier sites and marketplaces.
ahsrab.rifat 