Ultrasonic distance sensor JSN-SR04T-2.0

It gives a direct reading of the distance, which can be used to set a condition in Events or sent data to server by MQTT protocol.

Technical specifications

Supply voltage                           3.0 - 5.5V DC
Working current                         < 8 mA
Probe frequency                        40kHz
Measurement range                   20 - 600 cm
Measurement accuracy              +/- 1 cm
Measurement resolution             1mm
Viewing angle                              75°
Operating temperature range     -20 to 70 °C
Interface/output                           UART, PWM