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Questions tagged [tmrpcm]

an Arduino library for asynchronous playback of PCM/WAV files direct from SD card Utilizes standard Arduino SD library, SD card and output device (Speaker, Headphones, Amplifier, etc)

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0answers
48 views

bad audio quality

I want to do a project where I need a relatively small speaker, so I tried one of a door bell (16 ohm , 0.25 W), but the sound quality was so bad. Actually I don't know if it's because of the speaker ...
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0answers
96 views

Noise from PAM8403 amplifier board

I'm using TMRpcm to play Wave files from a SD card. Since the sound was too low I bought a PAM8403 to amplify the output. Unfortunately the sound is too noisy ( it feels like I'm trying to find a ...
3
votes
2answers
4k views

Transistor amplifier to drive speaker using Arduino PWM

I have been working on a project lately which uses Arduino to play a wav file from SD card. I am using TMRPCM library which made the job very easy. But the problem is that the output sound in the ...
0
votes
1answer
197 views

Liquid Crystal LCD Display Prints f in all rows and columns

The problem is that the Liquid Crystal LCD display only prints "f" on every row and every column. When I tell it to print something, then the display prints "f" on every square(row, column) for a ...
0
votes
1answer
905 views

Playing a pcm file through a speaker with arduino

I'm trying to play an audio file through a speaker with arduino. However, I do not want to use pre-constructed libraries such as the tmrpcm library. I was instructed to perhaps even recreate the ...
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0answers
45 views

Due to Some reasons Timer base music system has been stopped

Due to some reasons my system goes to stop. I could not find this problem so please help me with it. I am making a timer based music system. I am using two Arduino boards which communicate with each ...
1
vote
2answers
3k views

How do I use Sound Sensor LM393 + Speaker in Arduino

I have this voice sensor: I need to know how bytes pass through soundsensor into arduino and get this bytes and put out in a speaker. I read on the net a Lib PCM thats converts chars in voices, but ...
3
votes
1answer
1k views

Using TMRpcm library, the audio does not play

I'm using the https://github.com/TMRh20/TMRpcm/wiki library to play wav files from an SD card to a speaker I have attached to my Arduino. I have run separate tests/programs that ensures: my speaker ...
3
votes
4answers
8k views

SD card fails to initialize

I know this question has be asked before on this site. However it was never really answered. I have an Arduino Uno. I am trying to get it to read a 2 GB SDHC Micro SD card. The problem is, the SD card ...
0
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2answers
697 views

Using TMRpcm object, why is the SD Card failing to be found by arduino?

I am using this micro-sd card reader, and my wiring configuration is as follows (double and triple checked): 3.3v goes to 3.3v on the Arduino UNO GND goes to Ground on Arduino UNO D0 goes to pin 12 ...
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3answers
2k views

Using both TMRpcm and VirtualWire libs with ATmega328, despite the conflict on TIMER1

I wanted to use both TMRpcm and VirtualWire with ATmega328 in an Arduino-like board I'm making, but both libraries use TIMER1. I wanted to use each lib for the following purposes: TMRpcm: play a WAV ...