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80 results for ultrasonic sensor
JSN-SR04T
JSN-SR04T waterproof ultrasonic distance module: a driver board and a sealed probe on a cable, about 20 to 600 cm, 3.0 to 5.5 V. The R27 pad sets its mode: trigger / echo like the HC-SR04, a 9600-baud frame every 100 ms, or a frame for each 0x55; frames 0xFF, …