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.
91 questions
0 votes
1 answer
499 views
Interfacing 8 ohm speaker ouput with ESP32
I'm trying to use an ISD1820 recording module with the ESP32, except I want to store the recordings and send them over Wifi rather than playing them back. The ISD1820 has an output for an 8-ohm ...
- 13
2 votes
0 answers
191 views
Using I2S MEMS microphone breakout (SPH0645) as frequency detector
Good day. I would like to ask for help regarding the code for my project. I am using an I2S MEMS microphone breakout (SPH0645) to my Arduino Nano 33 IoT. Here are my pin configurations LRCL to A2 of ...
3 votes
1 answer
2k views
How to configure I2S with ESP32 and MAX98357A to reproduce wav files?
I have configured I2S to reproduce files with an ESP32 and a MAX98357A from and SD card. The problem is that it reproduces the files way too fast, like they are sped up * 100. Here is my (simplified) ...
- 51
2 votes
2 answers
313 views
Tone() generates a high pitched sound when button is released
I have a simple circuit that makes use of the tone() function to produce some sounds. I also have a button, hooked with an interrupt function, that whenever is pressed, a variable changes. Sometimes, ...
- 1,435
1 vote
2 answers
875 views
Analog Microphone values not changing
I just bought a microphone for my Ardoino Nano 33 BLE. The mic can use both Analog and Digital input. Here is the mic and how it's connected. Here is the code where I read the input int sensorPin = ...
- 11
-1 votes
2 answers
3k views
Perform Volume Control on arduino speaker
I am following this guide to produce tones with the arduino: https://www.arduino.cc/en/Tutorial/BuiltInExamples/toneMelody This uses the tone() builtin function. The connections is that one pin of the ...
- 1,435
0 votes
1 answer
640 views
Tone() function pauses between notes
I tried to experiment with the tone() function that comes with the arduino library. I played around with the standard code example located here: https://www.arduino.cc/en/Tutorial/BuiltInExamples/...
- 1,435
2 votes
2 answers
1k views
Keypad pin as an interrupt (Wiring or programming)
I have this project of a "phone". It consists of: Arduino DUE, 4x4 Keypad, SD Data shield, a phone receiver detect (on/off) an Amp and a Speaker. In the beginning, after the phone receiver ...
- 23
1 vote
0 answers
357 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 ...
- 11
1 vote
2 answers
300 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 ...
- 265
-1 votes
1 answer
179 views
Host a webserver on an ESP32D that has a hyperlink that triggers an Arduino song through a buzzer
I would like to use my ESP32D to create a wireless access point and host an HTML page that has a hyperlink and a few other things on it that triggers an Arduino song (rickroll), and plays it through a ...
3 votes
3 answers
4k 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 ...
- 153
1 vote
1 answer
1k 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 ...
- 11
0 votes
1 answer
3k 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 ...
- 1
1 vote
1 answer
85 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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