Home Electronics Accessories Gadgets5pcs, HC-SR04/SR04P/SR04+Ultrasonic Distance Measurement Module The new version supports 3.3-5V

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5pcs, HC-SR04/SR04P/SR04+Ultrasonic Distance Measurement Module The new version supports 3.3-5V

GH₵ 85.87

GH₵ 86.031%

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Product details

Module working principle:
(1) Using IO triggered ranging to provide a high-level signal of at least 10us;
(2) The module automatically sends 8 40kHz square waves and detects whether there is a signal return;
(3) A signal is returned, and a high level is output through IO. The duration of the high level is
The time from emission to return of ultrasonic waves. Test distance=(high-level time * sound speed (340M/S))/2;
This module can provide a complete set of ranging programs: C51, PIC18F877, ultrasonic LCD1602 display, ultrasonic LCD12864 display, digital tube display, serial port display, etc., ranging reference program.