Based on amplifier LM2904 and a built-in microphone, it amplifies and filters the high-frequency signal that received from the microphone, and outputs a positive envelope. This will make for Arduino's signal acquisition. Pins and Components of Sound Sensor. VCC, GND, DO, AO. RBù"ú‘«û‹µæ©ˆ¨éXýÈDGëžÌLª!Çƈ,NµŒ2.R)TÆUjDœq›(dÚØLpX*C͋a‡²—. endstream endobj 480 0 obj <>/Metadata 46 0 R/Outlines 88 0 R/Pages 477 0 R/StructTreeRoot 93 0 R/Type/Catalog>> endobj 481 0 obj <>/MediaBox[0 0 595.32 841.92]/Parent 477 0 R/Resources<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 482 0 obj <>stream Max. New stock soon See due date. An M4 hole is provided for easy mounting. For sound detection Module has two outputs: AO, analog output, real-time output voltage signal of the microphone; DO, when the sound intensity reaches a certain threshold, the output high and low signal; The threshold-sensitivity can be adjusted via potentiometer on the sensor Connecting to the Arduino 1D. the end of the data sheet. a²ì]ÏÃÏ3Í!½ mR¸7½YLª)D°uæòóÖ Ú€„U/ It consists of a microphone, a voltage comparator IC (LM393), a potentiometer, a transistor, couple of LEDS and a few other passive components (resistors and capacitors). %PDF-1.6 %���� Notify me. endstream endobj startxref For sound detection Module has two outputs: 1. When the sound level exceeds the set point, an LED on the module is illuminated and the output is set low. Grove - Sound Sensor can detect the sound intensity of the environment. Unit Supply Voltages 0+6 V Maximum Junction Temperature – +175 °C Storage Temperature Range -65 +150 °C Lead Temperature, 10 seconds – +260 °C Input Voltage Range - Vs -0.5 +Vs +0.5 V Electrical Specifications The sensor has a capacitive electret microphone which is sensitive to sound. This module has a standard 3 pin Signal/Voltage/Ground male header on the bottom and 4 pin "Grove" connector on top. h�b```a``Ja`f`(�� Ā B@1 ��"��k����@8����M�O���``\i"5�J,�h`�`@���2DIiN �Y��� ��Ř�x��^��Ιf This module allows you to detect when sound has exceeded a set point you select.Sound is detected via a microphone and fed into an LM393 op amp. Sound Detection Sensor Module consists of four pins i.e. The threshold-sensitivity can be adjusted via potentiometer on the sensor. Details. What is Arduino® Arduino® is an open-source prototyping platform based in easy-to-use hardware and software. Sound Sensor is a component that receives sound waves and converts them into electrical signals. In addition, if your PING))) sensor is mounted low on your device, you may detect sound reflecting off of the floor. The sound level set point is adjusted via an on board potentiometer. It gives a measurement of how loud a sound is. The microphone sound sensor, as the name says, detects sound. The picker tolerance shall be considered as well. Question: Sound Sensor is typically used in detecting the loudness in ambient, the Arduino can collect its output signal and actuate accordingly. Analog Sound Sensors are typically used in detecting the ambient loudness in your enviroment. Analog Sound Sensor is typically used in detecting the loudness in ambient, the Arduino can collect its output signal by imitating the input interface. Family Comparison Table Specification LM393B LM2903B LM393 LM393A LM2903 LM2903V LM2903AV LM193 LM293 LM293A Units Supply Votlage 2 to 36 2 to 36 2 to 30 2 to 30 2 to 32 2 to 30 2 to 30 V Total Supply Current (5V to 36V max) 0.6 to 0.8 0.6 to 0.8 1 to 2.5 1 to 2.5 1 to 2.5 1 to 2.5 1 to 2.5 mA You may use it to make some funny interactive works such as a voice operated switch. KY-038 Datasheet - Microphone Sound Sensor Module, pdf, pinout, equivalent, replacement, schematic, manual, data, circuit, parts, datasheet. KY-038 Sound Sensor having 4 Pins: AO – Analog Output; LMV321/LMV358/LMV324 DATA SHEET REV. Microphone sound detection module. 490 0 obj <>/Filter/FlateDecode/ID[<49E86DA867C83C4890F7F4C8618C02B0><6CEA923068C9B5428EB9483B44BA7153>]/Index[479 21]/Info 478 0 R/Length 75/Prev 976658/Root 480 0 R/Size 500/Type/XRef/W[1 3 1]>>stream An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PrDF֍é.q‡õ>B¬ù0>¸Š4È^Ik,Ü? Sound Sensor Module for Arduino Product Code : RB-Vel-123. Sound Sensor. The sound sensor is the perfect sensor to detect environmental variations in noise. In the figure below you can see the most common used with the Arduino. Please wait while we retrieve the approximate arrival date . This sensor can be used to build various electronic projects with the help of an Arduino board. 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