Questions tagged [pifm]
a software used to turn the Raspberry Pi into an FM transmitter.
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SIM7080G GPS Module temporarily fails with PiFmRds
I have a SIM7080G GPS module for the Raspberry Pi Zero (Product Wiki), and the GPS it works fine (I am not using the cellular functionality).
I am trying to transmit radio (at the same time) using ...
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1
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46
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Can I do PiFM, just on 13.56mhz?
I want to broadcast on 13.56mhz from the GPIO pins, just like with PiFM (except PiFM is like 85-105mhz). Is there a simple way to do this? Thank you!
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Broadcasting With PiFm Isn't Working on My Pi 3A+
I am trying to broadcast audio from my raspberry pi with pifm. However, it isn't working.
When I run 'sudo ./pifm sound.wav 100.0' nothing comes through on my fm radio, and also, afer about 2 or 3 ...
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Broadcasting From An USB Sound Card With PiFmRds Isn't Working
I am using PiFmRds on my raspberry pi 3a+ (https://github.com/ChristopheJacquet/PiFmRds), and I am trying to live broadcast with a mic and a USB sound card. The command is:
sudo arecord -fS16_LE -r ...
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2
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Is there a way to transmit live voice through radio without a soundcard on raspberry pi 3
Is it possible to transmit live voice through raspberry pi 3 without a usb soundcard
I only have a hradset with a mic
And I am a beginner
If possible let me know the answer in a simple way
Thank you
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4
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3k
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Raspberry AM radio transmitter
Is there a AM radio trasmitter library for raspberry? Like PiFMRDS ? AM travels further and it would get better range on low power RPi trasmitter. Or how could I do that myself? Generate high (~1Mhz) ...
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Raspberry Pi / Low-power FM transmitter?
I recently got a Raspberry Pi 400 and I tried this https://github.com/markondej/fm_transmitter without an antenna. The range was approximately of about 5 feet, from what I could notice.
Now I've heard ...
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connecting bluetooth audio sink to PiFmAdv
I have a raspberry pi configured as a bluetooth audio sink using this post:
Another How to turn your Pi in a Bluetooth Speaker Tutorial. Which uses pulseaudio.
I also have the PiFmAdv configured and ...
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What's the maximum rf fm signal that i can generate using raspberry pi?
I am planning to create a raspberry pi based monitoring system where my raspberry pi acts as a transmitter. I learned that we can use pi to generate FM signals from RPiTX project.
I am planning to ...
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Arecord: "main:828: device or resource busy" when run via systemd service, but works fine from CLI
I have a python script which, when a GPIO button is pressed, launches an arecord process. This records audio from a USB microphone (plughw:CARD=GS3,DEV=0) and pipes it to another program for ...
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I think my PiFM just broke my Raspberry Pi
I followed the PiFm instructions to broadcast a .wav file on 87.5 MHz. I connected my antenna to GPIO 4, but nothing happened. Then I unplugged & tried again, but got the same result. I think I ...
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1
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auto start using /etc/rc.local or /etc/init.d not working
-My problem:
I can't get autostart to work (/etc/rc.local or /etc/init.d)
/etc/rc.local screen never boots and kills the pi, which then needs to be re-flashed to work again.
/etc/init.d no auto ...
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1
answer
148
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Calling random audio files with PiFm + Node.js
I am trying to play a random amount of random audio files over PIFM using node.js
// A function that will let me call and play one random audio file.
function audio1(){
var child_process = ...
- 13
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1
answer
140
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Node.JS, PiFm and SetTimeout()
I'm working on an audio installation involving PiFM (https://github.com/oatmeal3000/pi2fm) that I want to play random audio files from a large selection of .wavs. My plan is to randomly select an ...
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114
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Communication system using PiFmRds between two pis
I would like to use PiFmRds as a communication method between two of my Pis.
I would like to be able to encode text or other data into the RDS RT (64 chars) and then decode it once received.
Or even ...
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301
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PiFM Crashing on Boot
I've only recently begun working with Raspberry Pi, and decided to start with what seemed like a relatively simple project in the Pirate Radio (found here), but I have been unable to make it work ...
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pifm Crash Loop my Raspberry Pi
I've made a FM radio transmitter using the tutorial from Make:
http://makezine.com/projects/pirate-radio-throwies/
Everything worked perfectly until I got to step 7 (Run PiFM at Startup). I wrote ...
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2
answers
150
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Issues with PIFM Numbers Station tutorial/project
I am trying to get the following PiFM numbers station project working:
https://www.youtube.com/watch?v=SZx9aB1jkH8
https://github.com/korn101/PiNumberStation
I'm running it on a Pi Model B+ and ...
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1
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PiFM on the Pi 2
I encountered some issues when trying to create my own FM radio after downloading pifm. Indeed after plugging my own designed antenna, writing on my pi's terminal:
sudo ./pifm sound.wav 100.0
I used ...
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2
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2k
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PiFm on raspi-zero
I'm having some issues with PiFm on the raspberry pi zero - I found this thread but nothing to alleviate my problem. PiFM not working for me
I installed PiFm on a raspi-zero and it seems to be ...
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715
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Ffmpeg Piping output to pifm
I am trying to convert mp3 audio files on the fly with ffmpeg since pifm(a program to transmit over the FM band) only takes a specific file. I was told I could use:
ffmpeg -i input.mp3 -f s16le -ar ...
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PiFM on another GPIO
I want to make my own Pi Radio using PiFM on my Raspberry Pi 2, but i have a display already mounted on pin 4. Can i use some other GPIO pin for mounting antenna ? And if i can, which is the best GPIO ...
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PiFm dBµV/m without an antenna
I have been wanting to tinker with the Raspberry PI to learn more about electromagnetic frequencies; however, before initiating anything, I read the legal debates regarding PiFm. It appears that both ...
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Pi as HF ham band transmitter and FM repeater
If the pi is able to transmit fm signals from 1 to 250mhz wiht pifm and it has been used as an HF qrp transmitter why hasnt it been further developed as an HF transmitter with a small cheap amplifier? ...
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Problems with Pifm legality
There is a lot of discussion online about whether using Pifm is okay because it is low powered, or whether it is very bad because the square waves cause a lot of interference outside the FM band.
...
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PiFM not transmitting on some frequencies
I was playing with the PiFm on my Pi and successfully transmitted the sound.wav on a specific frequency. That is 94.5 .
But when I am trying to do the same on 89.7 , it does nothing.
I changed ...
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1
answer
472
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GPIO affected by audio playback
I recently found the PiFm project which sends a FM signal through a GPIO pin to effectively create a FM transmitter out of the Pi.
A problem arises when you do a normal playback of a .wav audio ...
- 131