5pcs HC-SR04-P Ultrasonic Module Distance Measuring Ranging Transducer Sensor DC 3.3V-5V 2-450cm
Eachine1
sku: 1437632
$12.86
Shipping from: China
Description
Description:Working Voltage : 3.3-5V(DC)Static Current: Less than 2mA.Output Signal: Electric frequency signal, high level 5V, low level 0V.Sensor Angle: Not more than 15 degrees.Detection Distance: 3.3V:2cm-400cm / 5V: 2cm-450cmHigh Precision: Up to 0.3cmInput Trigger Signal: 10us TTL impulseEcho Signal : output TTL PWL signalCompatible with HC-SR0A software and hardwareMode of connection:VCCtrig(T)echo(R)GNDUse Method:Supply module with 3.3- 5V, the output will be 3.3V-5V while obstacle in range, or 0V if not.The out pin of thismodule 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 levelof 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 receivethe returning pulse signal.3. If there is signals returning, through outputting high level and the time of high level continuing isthe 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 withelectronic power,then let the GND terminal of this module to be connected first,otherwise, it will affect thenormal work of the modulePackage Included:
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