SN-SR04T DC 5V Ultrasonic Module Distance Meter Measuring Transducer Sensor IO Port Waterproof

Electrical Properties Operating voltage DC 5VQuiescent current 5mATotal current work 30mAAcoustic emission frequency 40khzFarthest distance 4 5mBlind 25cmWiring 5V positive power supply Trig control side RXEch0 the receiver TXGND negative Module size 41mm 28 5mmResolution about 0 5cmAngle less than 50 degreesWorking temperature 10 70 °Storage temperature 20 80 ° Features 1 small size easy to use 2 low voltage low power consumption 3 high accuracy 4 strong anti jamming 5 integrated with wire enclosed waterproof probe suitable for wet harsh measurement occasions Application 1 Horizontal distance 2 obstacle avoidance automatic control 3 the object approaches there is a perceived4traffic control 5security industrial control 6 artificial intelligence and research The basic working principle 1 using IO port TRIG trigger location to the high level signal of at least 10us 2 module automatically sends 8 40KHz Fang Bo automatic detecting whether a signal return 3 a signal return a high level is output through the IO port ECH0 the time duration of the high level is ultrasonic from launch to return The test distance high level time speed of sound 340M S 2 This module uses the simple method a control port with a 10US above high level can wait for high level output at the receiving port An output can drive the timer when this port is low can read the timer value this time for the location of the time can be calcula