Questions tagged [sound]

sound is a vibration that propagates as a typically audible mechanical wave of pressure and displacement, through a transmission medium such as air or water.

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30 views

Making tmrpcm.play(“1.wav”) depend on LDR feedback?

I have the speaker working with the tmrpcm.play working, but this only plays when the arduino is powered up or reset. Can i make the .wav play in anther other ways? I wan't the file to play when i ...
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2answers
265 views

Switch on the piezo emitter for a short time

I need a short beep for every minute of change. I wrote a separate function. The signal duration should be 50 ms, the rest of the time the emitter connected to the A1 contact should be silent. A ...
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0answers
49 views

How to get sound from analog pin of arduino play it through other pin using speaker [closed]

I am working on a small project on sound detection of lungs. I want to get the sound using a sound sensor and play it on a speaker in real-time using Arduino. Please suggest to me a good sound sensor ...
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2answers
355 views

How to get rid of low quality sound out from DFPlayer plus amplifier?

I use my Seeeduino V4, DFPlayer mini, and this speaker module from AliExpress to create an automatic doorbell. The problem is that it seems that this speaker module's Yurobot amplifier is not ...
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1answer
75 views

Vibration pattern matching [closed]

I would like to generate vibration patterns using the SW-420 or something similar that is able to reproduce the same pattern on similar vibrations. So if a 10p coin was dropped on a table from 1m at a ...
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1answer
98 views

With the press of a button, I need to play an intro sound file, then one of 50 other sounds in order, each time a button is pressed

I need to play an intro file and one of 50 different files after it in order each time the switch is pressed, with a short delay between the intro and next file. For example let's say the intro is ...
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1answer
741 views

Sound quality is poor using a piezo in TinkerCad

I did a quick search and couldn't seem to find this question posted already, but I'm sure it must have so forgive me if it's a repeat. I'm using a piezo and Arduino on TinkerCad to produce notes ...
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1answer
55 views

Sound sensor only detect peaks

I'm using this SparkFun Sound Sensor in my project for a simple ambient sound meter. I'm just trying to monitor the raw analog envelope output for the moment. My problem is that the output only ...
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1answer
55 views

I want turn the led off only when the input is low for a prolonged period of time and not when there are ups and downs in sound signal [closed]

My project is baby cry detection,when the baby cries the led must turn on and when it stops it should turn off, but I want it to turn off only when the baby has stopped crying , not when there are ups ...
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1answer
214 views

Arduino Nano Fried on Music Reactive Led Strip

I'm doing a project that involves an Arduino Nano, a sound detection microphone module and a RGB Led strip (individually adressable leds). I also bought an accumulator so I can connect everything ...
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1answer
92 views

Arduino code for turning an led on by one clap and then off by one clap

I want my Arduino to turn on a LED when sound sensor detects a clap (noise) and keeps the LED on until the sound sensor detects another clap (noise) which turns the LED off. int Sensor = A0; boolean ...
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2answers
103 views

Creating and Arduino synthesizer without the tone library

I am thinking about trying to make an Arduino synthesizer using the true analog output on the Due. However I would like to be able to play multiple notes at the same time on a single buzzer. Is this ...
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3answers
601 views

Arduino recognize specific sound?

I'm wondering if Arduino is able to not just measure sound and work based on hearing a sound that is "loud enough", but if it is able to identify a specific sound (say the first few seconds of a song)....
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0answers
449 views

ESP32 playing wav sounds distorted or too fast (but not all wav's)

I am building a sound project on an ESP 32 via I2S using an example from: https://github.com/nhatuan84/esp32-i2s-sdcard-wav-player It works fine with the example wav file t.wav posted in the ...
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1answer
283 views

How to use more than 2 I2S microphones on MKR Zero?

I am trying to build a portable device that can record from at least 3 microphones. I had a look and saw I2S is good for audio so I bought an Arduino MKR Zero to read them with. I was wondering how to ...
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1answer
1k views

exit status 1 error compiling for board arduino/Genuino Uno when tone code is used

I am just trying to use an ultrasonic sensor with a buzzer but the buzzer doesn't respond to my code. I mean it doesn't make any sound. I tested it to check if by sending 5 volts to it, it will make a ...
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244 views

How to stop the screeching noise that comes from buzzer?

I use sfm-27 dc 3-24v Buzzer. It sounds fine if i close the buzzer using my palm but if i doesn't close it, it will make a screeching noise. I play melody using the buzzer so the sound is important. ...
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2answers
65 views

A recommendation for a fast-response-time-resolution-mp3-module for arduino

I am working with Arduino which activates a box which is similar to a Skinner Box. Some of the output sound stimuli are sine waves with duration of less then 5 milliseconds. I output the sounds using ...
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1answer
625 views

Why does my code treat my sound sensor as if it's always HIGH

I have a sound sensor that was working perfectly fine as I was using it as a clap sensor to turn lights on and off. However, I tried to change the code to make it work a little smoother and for ...
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1answer
117 views

How to detect patterns in an FFT output?

I have an FFT output from a microphone and I want to detect a specific animal's howl from that (it howls in a characteristic frequency spectrum). Is there any way to implement a pattern recognition ...
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1answer
41 views

Having an issue accessing values from a pointer

Context This may be more of a C++ question than an arduino specific question, but it's dealing with arduino c++ so I thought I'd start here. I'm building a class to abstract some simple melody ...
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1answer
175 views

Writing Data through Pin at certain frequency

I have an Arduino UNO which is connected to an KLZ25 board, the Arduino sends an 1MHz Clock at Pin 9 and now I should write the PDM-Data with 1 Mhz at pin 8. But i don't know how to write with such a ...
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1answer
51 views

I am not able to set the correct configuration of sound module

I have been trying to make sound reactive LED lights but my sound module is detecting only very close voice the LED react only when I press it to the speaker with my hands I have tried to set the ...
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0answers
562 views

How to build image with ultrasound sensors HC-SR04 [closed]

There is a simple algorithm on Wikipedia: how to build ultrasound image. And I want to build one. Resolution and presision are of no importance, I just want to do this for the case of study - I want ...
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2answers
946 views

Play computer *.wav files through Arduino

I am doing mice behavioral training. I have an arduino-controlled box for that. The sounds are play using Mp3 player controlled b the arduino. However, the mp3 player is not good enough for my needs. ...
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1answer
508 views

Analog output gives a close range of values

I try to get a good range of values from VMA309 sound sensor. However, when I connect it properly it gives me a range of values +/-5 like below. The documentation says it should give numbers ...
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2answers
512 views

How to read sound sensor readings and light up sensor with water sensor if the readings is above threshold & when water is detected for 2 mins?

I am student that is new to Arduino and working on a project to trigger an alert if the sound level detected exceeds the threshold for a period of 2 mins. But I am stuck, would like to check how do I ...
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2answers
72 views

Where does the sound come from this board? [closed]

As the question says, i can't figure out where the sound comes from on this board that i bought, nothing on the manuals and can't see any speaker on the board... It is a "RFID Proximity Entry Door ...
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4answers
90 views

help with a loop

I recently got into programing and I'm making an alarm. I cant figure out how to make a buzzer loop. I have two blinking LED's and two fading ones. Now I plan to have sound and it won't work. It only ...
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2answers
318 views

Detecting Ultrasonic sensor malfunction within the arduino sketch [closed]

Is it possible to write code in the sketch that checks the functioning of the ultrasonic sensor? Say if the sensor stopped working then the arduino will alert the user in the serial monitor.
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138 views

TM1638 making high pitch sound?

I have a TM1638 board with 8 seven-segment displays, 8 LEDS, and 8 buttons. Each time multiples leds are on, the board makes an annoying high pitch sound. I'm controlling it with an Arduino Uno. ...
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2answers
678 views

Digital Sound sensor

I am having trouble with my digital sound sensor. My goal: Clap 2 times and a led goes on. So I wrote this code. I don't know if it is correct or not. This happens: If I clap, from the serial monitor ...
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3answers
84 views

How to improve response time of this sound operated LED?

I have written the following code for lighting an LED on a clap ( using sound sensor) that I have connected via a resistance of 330 OHM on pin number 4. However, when I clap once, close to the ...
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0answers
370 views

PCM library - Timer0

I would need a quick help if possible because I have a project with the deadline tomorrow night. On my Uno (atmega328p in fact), I need to communicate with a SPI flash to transfer music and then, take ...
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2answers
572 views

Sound localization using two mics, Arduino Uno on MATLAB

I have been trying to achieve this for a long time using the ITD method and have gone through various articles on the net. I want to know if its possible to actually achieve sound localization using ...
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0answers
30 views

Power on, power off voice using fx board

I played with one of those Adafruit FX sound boards in a project a while ago, and see a lot of potential uses for it. I would like to create “something” for my daughter, when she turns the lights on, (...
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0answers
467 views

Connecting RCA audio cables to Arduino

I'm working on a project which needs better audio quality than just a piezo buzzer, so I went out and bought a pair of used cheap speakers for $3. It turns out that they have RCA audio inputs rather ...
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2answers
61 views

Arduino tone frequency isn't always precise

I'd like to play an asynch 'beep' sound (2.5kHz, pin 8) on an Arduino Mega with several other modules connected. I write them here, just for the record: SDCard reader and RFID reader through SPI bus, ...
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3answers
5k views

Is there a way to play .mp3 files from an SD card on Arduino?

Is there a way to have mp3 files on an SD card in the SD card shield for the Arduino and play an mp3 file on that SD card with a buzzer? If possible also with something like: playmp3(thismp3.mp3); ...
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1answer
330 views

Play .Wav sound only once on switch change [closed]

I have a project where if you change the value of the spdt switch the colour of the LEDs change. As well as this a .wav file plays. The problem is I only want the .wav to play once. At the moment it ...
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1answer
4k views

Arduino uno audio output quality improvement [closed]

I am new to electronics. I am going to play a sound truck from SD card when user push a button, Well This is very easy and there are lots of methods and codes to play it. the problem is with sound ...
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2answers
377 views

Does the tone() generates unwanted signal?

I was trying to use the tone function for another project but I found that it also generates an undesired frequency (not the harmonics above of square wave it generates) but a lower frq square wave. ...
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3answers
966 views

Voice recognition without module, is it possible? [closed]

I'm trying to figure out how to process a voice signal for simple purposes. Wherever I look people using or suggesting recognition modules for Arduino. What I'm wondering: is this possible to make a ...
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1answer
83 views

Can an accelerometer be used to detect heart sound?

I've recently come across accelerometer and how it can detect electrical mechanical response. I was wondering can it be used to detect heart sound? Lets say you attach the device close to your chest (...
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1answer
398 views

Is there any arduino microphone that can record heart sound?

I'm currently undergoing a project where I record heart sound (mechanical response) and send it over bluetooth to an app. However I'm finding it really hard to find an arduino microphone or just ...
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3answers
1k views

LEDs not working with tone() function

I have a strange issue. I have 3 LEDs, each is supposed to beep with a correlated tone... Imagine the beginning of a racing game (beeping with traffic lights). Here's my code: #include "pitches.h" //...
2
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1answer
978 views

Rotate Robot head according to Sound level

I'm currently working on a robot using an Arduino and I'd like to control robot's head like this: Imagine that it is on your desk and it can turn it's head through a range of 150 degrees like a human ...
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1answer
385 views

Can we use yx5300 to play audio from a file in Arduino?

I want to play a file that I have in my USB device through a yx5300 mp3 module. I have a file in my USB device at path Music/hello.mp3. I want to play this file using the yx5300 module or some other ...
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1answer
167 views

Changing parameters of pulseIn() to sense different materials

I have a ultrasonic sensor and in order to get the distance I use the pulseIn() function included in the arduino library, and then change it to distance. As the ultrasounds does not work equally in ...
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1answer
2k views

Recording and playback sound

I'm working in an art project, is some kind of loop between contact microphones and walkie talkies. I want to create some kind of noisy feedback. I'm putting one walkie-talkie inside of a bottle, and ...