The sensor comes with a 2.5 m long cable that connects to a breakout board which controls the sensor and does all the processing of the signal. Using a longer trigger pulse of at least 20 µs instead of 10 µs seems to help if you are having faulty readings. However, some users have found issues while using the sensors at a lower voltage. This newer version works exactly the same but is rated for 3-5 V instead of 5 V. When shopping for this sensor, you might come across the updated version, the JSN-SR04T-2.0. As an Amazon Associate we earn from qualifying purchases. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to products on. Other Useful Links From Around The Web:.Example code JSN-SR04T with Arduino and NewPing library.Example code for JSN-SR04T sensor with Arduino.Wiring – Connecting JSN-SR04T to Arduino UNO.
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