1X(1Pcs Ultrasonic Module -SR04 SR04 4Pin Distance Measuring Transducer4193
SODIAL
1X(1Pcs Ultrasonic Module -SR04 SR04 4Pin Distance Measuring Transducer4193\n\n1X(Description/Features: Stable performance and precise distance measurement\nHigh module, blind spot (2cm) ultra close\nWiring methods, VCC, trig (control end), (receiver end), GND\nUsage: If a control port sends a high level of 10US or more, you can wait for the high level output at the receiving port. Once there is an output, you can the timer timer. When this port becomes low, you can read the value of the timer. This is the time for this distance measurement, and then the distance can be calculated. This continuous cycle measurement can reach the value of your mobile measurement\n\nModule working principle: \n(1) Using IO triggered ranging to provide a high-level signal of at least 10us; \n(2) The module automatically sends 8 40kHz square waves and detects whether there is a signal return; \n(3) There is a signal return, and a high level is output through IO. The duration of the high level is the t)
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