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Thank you for the super detailed answer. I didnt know about the PJRC audio board.
I'll try to see if the SD/mp3 player can solve the project. I love the fact this board does everything audio from...

Thank you!
I think pjrc site could be updated to mention that.
I'm working on a simple project that needs amplified sound output and SDCard, any ideas?

Prop Shield, Low Cost and Teensy 4.1, are they compatible?
I'm willing to use as an audio amplifier for a project, and read audio from 4.1 SD
does it work?
Thanks

Just a quick question, how to avoid noise when the board is powered off?
Thank you

@manicksan thanks. I thought it was prohibitive to mount side by side with wires, because of some issues I don't remember exactly.
Impedance maybe? Maybe this issue is protoboard only.
Other than...

How do you usually solder Audio Shield on Teensy?
Shield on top? shield under? long pins or short pins? if short, what do you use as a spacer?

I've soldered mine with this double plastic headers...

Just fixed what was happening, I'll explain here so hopefully it can help others.
my recorder object was passing audio through when not recording or playing back, so mixer4 was summing 4 times the...

In fact I don't need to manipulate the data itself because one time I'll be recording (reading) and other time I'll be playing back, so maybe even a empty audio_block_t *block pointer could do for...

I'm working on this project with a custom object.
It is basically a recorder / looper. I've added 3 instances of this object and the line in instrument connected to a mixer4.

I've noticed if I...

Hello, I'm testing an audio project and would like to ask very basic questions:

I'm conneting a Korg Minilogue to Teensy Audio Line In, for now just trying to find the right gain without...

I think SD.remove() is very expensive because you have to overwrite the entire file with 1 bits to be able to record again.
Try to debug this part printing something before and after ...

Great!
thanks for the tip and link @houston.

Most effects I've seen are 1-1 so it will be already helpful to use 1-1 as default.
And we can have other objects with Ins-Outs in the name like for example


AudioEffectCustom...

Thank you!
Today I'm working with my custom audio object,
in design tool I usually pick chorus, design everything and replace in code. but I have to replace back to chorus to be able to get back...

Thanks @houston, I've finally took some time to program my custom object and your example was great for that.
One quick doubt there:
Maybe you should stop writing to the buffer if your...

Everything working here!
one more doubt here about memory size.
I'm using two chips, 16Mbytes total.

Does it reflect in 16000000 total usable bytes? or less?
In this case I suppose it reflects...

Hello, some years ago I've built a nice project using a serial flash chip and Teensy 3.x
It was a different kind of looper with three different recordable tracks.
I was using the...

I've just noticed the search box (bottom left) doesn't return exact results
but I can find some effects there if I type without the first letter. for example "elay" shows "delay" but typing "delay"...

Thank you Paul!

Hello, I'm mounting a Teensy 4.1 + Audio Shield and soldered two PSRAM chips into the Teensy.
I was thinking of soldering another one in the Audio Shield memory slot but I suppose it is not easy to...

Great. IS62WVS5128GBLL arrived here and soldered on teensy audio

Now I'm trying to update effect_delay_ext.cpp, it is the only effect which uses external RAM.
I'm reading the datasheet and from...

outstanding. everything working now

Thanks @tonton81.
I've updated with some pullups and data is transmitting but interrupt pin stopped working. should I do something in that pin too?
I've changed IC VCC to 3.3v now so I use pullups...

I'm trying to use the PCF8574P port expander with Teensy 3.2 but I can't receive the transmission yet.
I'm posting the wiring and the code.
interrupt seems to be working, but no transmission yet. ...

I hear this is the same chip, only Newstar brand use NS as a prefix

I've been testing the new chip HD107S which seems to address most of the issues descibed in APA102 in this compreensive Paul's analysis
https://www.pjrc.com/why-apa102-leds-have-trouble-at-24-mhz/
...

Thanks for the detailed explanation @Blackaddr
I'll be ordering some of the IS62WVS5128GBLL-45NLI and I'll report here after installed

I'm wondering if they newer SRAM chips are compatible with Teensy Audio

VTI7064MSME
https://datasheet.lcsc.com/szlcsc/Vilsion-Tech-VTI7064MSME_C139966.pdf

LY68L6400SLIT...

Thanks for the answer and sorry about the duplicate

quick question:
Is Audio Adapter compatible with Teensy 4.0?
Thanks

Quick idea: Try to take a look on browser identifiers
navigator.appName, navigator.appVersion, navigator.platform
sometimes in the past most of the spam come from the same engine, returning a very...

Thank you @BJB.
About full encapsulation you mean a sealed box or equipment wrapped in something?
Maybe a good thing it doesn't have temperature variation, it will be always 10°C

Thanks. In this case I'll prefer to coat everything.the thermo rectratable option have this problem of holding humidity inside.
I'll try to spray with everything plugged so there are no holes...

Hello, I'm developing an installation meant to be in a high humidity environment (91%) and I want some advices of how to protect the electronic equipment on it.
It is meant to run during one year.
...

Sometimes I've buy 10 or 20 Teensy 3.2 or 3.6 directly from PJRC store.
It would be great to have a version without headers and pinout sheet, Teensy only. Maybe grouped as 10 items in the same...

I use my computer as a server to distribute the firmware (fixed ip, something like 192.168.0.10/firmware.bin )
esps are ready to receive an udp command and that starts the update process (check...

Hello, I've been using OTA on ESP8266 to update about 50 devices at the same time.
Is there some similar library out there to update Teensy firmware via Ethernet?
Thank you

Are you using a Midi In and Out cable in the same device?

Just wondering about some methods to track a video camera position / orientation in a live show, outputing something near enough "absolute" coordinates during some time.
I know some sensors tends to...

Hello, I'm just wondering here if there is a planned life cycle for Teensy 3.2.
It is my favorite Teensy, talking about form / function, handling etc.
Love the 3.6 too but for most projects I don't...

A quick question: with this library I can handle more "universes" like having 4 DMX Outputs in one Teensy board?
Thank you @shawn

Sorry I've just noticed it is another form factor: it is WSON-8 instead of SOP-8.
Do you think it fits in Teensy Audio Shield PCB? I've noticed the alongated rails :)

Winbond recently put an...

Yeah! I've bought the last one :)

Outstanding project, I want to order one to Brazil, I can pay you directly via Paypal @Blackaddr
Tindie site doesn't have shipping to Brazil.
Thank you!
Dimitre

Would you mind sharing the updated sketch here @StefanPetrick? Thank you!

I dislike the Arduino IDE and use sublimetext, and a typical setup for me is:


#include "DmtrPixelnode.h"

void setup() {
setupPixelnode();
}

void loop() {

I've just built a nice dmx controller for a party, with bpm tap, lots of scenes and color palettes, nice and smooth fadein and fadeouts (customizable with knobs)
for convenience I've made an Arduino...

Thanks @chipaudette. Yes it would be great to try out this board, but one thing I like a lot on Teensy Audio Board is I can extend it with RAM or SerialFlash (which I'm using a lot lately).
I know...

Hey @chipaudette, I've just signed up there. do you think it will be a nice platform to develop realtime instrument effects?
Thanks

Hello, I'm here asking for security advices.
I was thinking of using a Teensy + ethernet to make a security layer, permit a specific kind of interactivity using internet to get to the computer, but...