Kategori: Sensor Jarak, Object,Garis

Sensor Ultrasonik SRF04 HY[clone SRF04]

spesifikasi hampir sama SRF04


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1. Have the same quality with SRF05 SRF02
2. Accept small orders
3. Seeking Long-term cooperation partners....


HC-SR04 ultrasonic distance measuring module provides 2mm-400mm range of non-contact sensing, ranging accuracy up to 3mm; modules include ultrasonic transmitter, receiver and controller.

Work Principle
1, using the IO port TRIG trigger location, the high signal to at least 10us;
2, the module automatically sends 8 square waves of 40khz, automatically detects whether a signal return;
3, a signal back, through the IO port ECHO outputs a high level, high duration of the ultrasound is the time from launch to return. Test distance = (High level time * speed of sound (340m / s)) / 2


Electrical parameters



 Ultrasound timing diagram Dimension






How to use
Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not.The out pin of this module is used as a switching output when anti-theft module, and without the feet when ranging modules.
Note : the module should be inserted in the circuit before been power, which avoid producing high level of misoperation;if not, then power again.

Module Working Principle
1.Adopt IO trigger through supplying at least 10us sequence of high level signal.
2.The module automatically send eight 40khz square wave and automatically detect whether receive the returning pulse signal.
3.If there is signals returning, through outputting high level and the time of high level continuing is the time of that from the ultrasonic transmitting to receiving. Test distance = (high level time * sound velocity (340M/S) / 2.
Note : This module is not suitable to connect with electric power, if you need to connect this module with electronic power,then let the GND terminal of this module to be connected first,otherwise, it will affect the normal work of the module


Package including
HC-SR04 ultrasonic sensor


Beli Produk Ini Harga Rp. 30.000,-
Stok:   50 item

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