For a project that I am doing I am trying to essentially convert an mp3 file into vibrations. I have talked to staff at SparkFun Electronics who set me up with the Lilypad Vibe Board and the Arduino Uno. It is in my understanding that with the Arduino Uno its unable to read an MP3 file and convert it into PWM so that the Lilypad Vibe Board can produce the vibrations. Does anyone know if there is any code or another device that will allow me to do this? I have researched the Raspberry Pi but am also unsure as to if this will work in the way i would like it to work. Any help would be greatly appreciated. My aim is to take an mp3 file, convert it into PWM so that the Lilypad Vibe Board would be able to create the vibrations in relation to the mp3 file.
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I have an Adafruit BLE Feather M0. I am following these instructions here - https://learn.adafruit.com/adafruit-feather-m0-express-designed-for-circuit-python-circuitpython?view=all
Really hoping someone can help me out as I am stuck in the very first task it self.
I see the board and select the correct one "Adafruit Feather M0" but the Port doesn't show serial options. It only shows the "/dev/cu.Bluetooth-incoming-Port" as an option. The instructions above show serial ports to choose from. What am I missing? This seems too basic to not work.
Looks like the cable I was using only supports charging and not data. TIL!
The other main thing, I think this is what hit me is that Arduino and Circuitpython are not enabled at the same time. If you install Cirtuitpython it will disable Arduino.
Okay, I've been working on this project for months with this being what has stopped me, heres the situation.
I am making a glove that can move a robot arm. The glove has an Arduino Nano iot 33 attached. The board measures the orientation with the built in imu, and sends it to my laptop (will be a raspberry pi in the future) through a usb cable. Also connected to the laptop is an Arduino Uno r3. This board is what makes the robot move (the servos are wired to it and I attached a display that shows the orientation of the glove here). I pondered how to make the Arduino Nano communicate to the Arduino Uno for a while, and I settled on keyboard presses. The Arduino Nano would press certain buttons based on its orientation and the Uno would wait for them to be pressed to move the robot. Turns out that after over 1000 lines of code, the Arduino uno can't use the keyboard library, and I'm stuck again. Is there a better way to go about this?? or is there a way to get the Arduino uno to get keyboard commands (I'm sixteen, tryin to save for college, I know theres a way to buy something to bypass the boards chip, I've already spent quite a bit on arduinos and PLA and such, and if im gonna buy something I want to use it again, please keep that in mind)
How would you have gone about this? How can I recover this project? Please help me...
this is an amazing project.
Great idea the link over SerialUSB, but it is very very slow...
You should use a radio transmitter like this.
Else, there is a great tutorial for communication using Bluetooth master & slave (warning: the post is in Italian).
If you still want to use SerialUSB, you should use a program that reads input from Nano and send a hex. code into Arduino Uno.
Library for serial communication with java or ruby.
Library for serial communication with Arduino.
I hope this can help you. Good luck!
I would like to use the Arduino sensor in raspberry pi.
Since the sample file for the sensor is dedicated to the Arduino, the example header file is also dedicated to Arduino.
The example code uses the spi.h file. Can I download the header file and use it in Raspberry Pi?
That wouldn't make sense for various reasons and it wouldn't work for various reasons.
SPI is a serial interface. You don't need Arudino code to communicate via SPI on Raspberry PI. There are many examples on how to do that on Raspberry PI.
The sensor doesn't need an arduino. All it needs is power and someone to talk to.
The fact that you ask this question shows that you should invest time into learning C/C++ and get some basic knowledge about microcontrollers and serial interfaces.
If you're lost in an unknown jungle it won't help you to bring a map from another unknown jungle... So what do you have to do? Learn about jungles in general and some day you'll be able to survive in most of them.
I downloaded USB host shield code from the following website:
https://github.com/felis/USB_Host_Shield_2.0/archive/master.zip.
This contains too many files to which one I have to include for my application.
I want to know if USB host shield can be mounted to work in Arduino Uno. If yes can anybody provide me sample code to read SD card text file using USB host shield for Arduino Uno ?
I suppose that by "reading a SD card text file" you mean plug a SD card in a SD-USB adapter and then reading the file from it.
If so, there should be an example in the library called testusbhostFAT (here you will find the online version) where they read files stored in a FAT HDD (and I think that SD-USB adapters are seen as HDDs or FDDs).
Anyway they explicitly say that
This will not run a Arduino Uno due to the limited ram available in the ATmega328p.
By looking at the code maybe you will manage to slim it enough to run it on a Uno, but... Well, probably it's a bit hard.
Bye
I have an SD Card Shield from seeed studio attached to my Arduino Uno board. I also have an SD card with a siren .MP3 file in it. I want my Arduino board to play the MP3 file but I am not sure how to get it to do that. I have a speaker connected as well.
As mentioned the Arduino is not able to decode MP3's. As an alternative you could convert the MP3 to the less cpu intensive WAVe file format then use Adafruit's Wave library to play the file out a pin.
Or you can use the VS1053 Co-Processor Shield to play the MP3 file.
The Arduino Uno does not have enough power to play MP3s in software. You will need to get a separate hardware MP3 decoder and instruct it to play them instead.
There is a new Library that will play WAV files. It can be found at https://github.com/TMRh20/TMRpcm