Tangara is a portable, open-source music player based on an ESP32 MCU

poVoq@slrpnk.net to Open Source@lemmy.ml – 608 points –
Tangara is a portable, open-source music player based on an ESP32 MCU (Crowdfunding) - CNX Software
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Nice project. $249 seems a bit high, but I guess it's like the Fairphone, they can't save as much as the large manufacturers do.

Holy f*** $250? Wow well it is not for me then :(

I'm genuinely curious if someone's published a BoM cost breakdown, I'm wondering if there's a couple of super high tickets items in the like the scroll wheel and custom PCB cost.

The cost of the scroll wheel cannot possibly be more than 10€ and the pcb cannot be more than 1€ battery is about 4e and display can be 7-8, chip is 2-3e and passives, connectors etc brlow 5. The manufacturing costs of the thing are likely below 40€, even in small volumes. Assy costs are probably about 20% of the total.

Part of the high cost may be investments in moulds for the casing and r&d cost.

Yeah, I took a bit of a poke last night, there's a couple of ICs in there that could add up a bit I guess, but even being generous I wasn't getting much last 80.

The cases I saw had the look of a 3D print about them. Original goal seems to have been around 10000, so maybe they're amortizing the r&d across 40 units, little bit of profit and then went and sold 400 of them - nice win for them if so!

To make it clear I don't begrudge them their profit especially as they're open sourcing the thing. The concept and high price has got my creative side going for sure, an ESP32-S3 pro dev board looks like it could handle an sd card, screen, MP3 decode and output to an I2S amp all by itself + BT headphones and WiFi track downloading and battery charging. Slowly talking myself into building a portable podcast machine.

Hey, one of the people working on Tangara here. The case we're shipping with will be CNC'd polycarbonate, though the same design also works for home 3d printing.

The price is a lot of little things adding up, and we want to be able to do smaller runs post-campaign and still have it be worth our time. I also wish it could be more affordable, but that's how it be with indie electronics.

Good luck if you do decide to make a little podcast machine! Just be aware that afaik ESP32-S3 can't do bluetooth audio (see: https://github.com/espressif/arduino-esp32/issues/8675).

Thanks, really appreciate the feedback! Really good luck with the project, love seeing these kind of devices making it into the wild. Yeah totally appreciate the nature of indie electronics/manufacturing in general and your work totally makes it easier and more approachable for a lone wolf like myself to churn out something functional!

Thanks for heads up on the BT audio, my little investigation the other night lead me to the datasheet for the ESP32-S3, the list of peripheral options is amazing, I'm sure I'll figure something out!

Thanks again and good luck with the project!

It's a project by an Australian team, so one would assume two things:

  1. It's in Australian Dollars.
  2. Australia has experienced severe hyperinflation overnight (or earlier today, for many of us reading this)

Can I get some sauce for #2? News says nothing of it

The only source is the absolutely bonkers price -- that's why it's an assumption.

In all seriousness, if I were to release open source hardware and software, I'd charge a price like that to ensure that my time would be reasonably compensated for what's clearly going to involve small production batches of hand-built-in-the-first-world items.

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Hopefully people take the source and release a full walkthrough on doing this with an entirely off-the-shelf design. I've got a full electronics workshop and two 3d printers and would LOVE to assemble my own music player with open source designs.

Brings back fond memories of rockbox on my sansa.

Rockbox was the shit.

Breathed so much life into my iRiver. And I always had to defend the thing: “it's older than iPods! It can't be an rip-off”

oh shit rockbox I had forgotten about that

This is insanely priced, particularly when you see that it literally loses on everything but battery life compared to the original iPod 5gb, let alone the Classic.

Not quite. It has 1TB sd card storage. That's far, far better. And it has wifi and USB not just FireWire. Ram is less sure but how much ram do you need for playing tunes?

If you have chrome browser JavaScript applet as the media player backend, terabytes.

Aha, I did indeed miss the "external storage" row—mostly because it only uses the "Tb" acronym quite late in the description. I think the difference between Firewire and USB-C is minimal? (ie they are both "fast enough") but I guess having wifi is a step up (although I always still plug my phone in to transfer music at this point so…)

well there also does not seem.to be a multi billion dollar corrupt gang of geniouses behind it. what you do with your data is up to you but im just saying that we can be happy that there are options out there.

20 hour battery life of use is actually far better than I thought it would be. Wonder what the pi equiv build would bu

The Pi in any form is a much larger system with a whole lot more clock cycles, larger architecture, and more peripherals like a full memory management unit, graphics hardware, etc.

On the flip side IIRC most ESP32's are 210MHz and just dual core. It is microcontroller versus microprocessor, so probably 10× less power or more.

A Raspberry Pi Pico would be sufficient for this. It uses the RP2040, which is comparable to the ESP32, minus the WiFi.

Actually not really. The pi pico has no functional, good low power states currently developed. That is essential for a mobile device. A pi pico would simply drain the battery in sleep mode very quickly.

Tons of MCUs could do the job. Some STMs would also be good for it. The pi pico is more focused at non-mobile applications though at the moment like a very cheap general MCU for things that are USB powered or mains powered.

For something like this, you would use the RP2040 chip rather than the whole Pi Pico module. The RP2040 uses 180µA in its lowest power sleep mode and the flash and regulator will use a few more microamps. The battery would still last for over a year in standby. Of course it could just be turned off when not in use. Without an operating system, the boot time should only be a fraction of a second.

The ESP32 uses 800µA in sleep mode if you want to retain the memory contents or 10µA with only the RTC memory retained.

A low power STM32 would use orders of magnitude less power in sleep mode than either the RP2040 or ESP32 though.

Yes, I know. I have designed with the RP2040 and 180μA is extremely high power usage for deep sleep mode.

The ESP32 has far more sleep modes than that that each use different power, you are just talking about its light sleep: https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/sleep_modes.html

You are comparing the deep sleep of the pi pico to the light sleep of the ESP32 where the coprocessor is still running. The rp2040 light sleep mode consumes 7mA. It is literally orders of magnitude different. https://learn.adafruit.com/deep-sleep-with-circuitpython/rp2040-sleep (they only did light sleep.mode because deep sleep wasn't even available)

As far as the professional chips, they cost on average far more for less and less sleep gains. (A lot of the L series of stm is like 15€ per chip)

You would definitely use deep sleep for this as you would only wake it up to start using it with a button press. Whether they would use light sleep or deep sleep, there is an order of magnitude difference in sleep power consumption.

That's actually so low imo. It just plays music and doesn't connect to internet right? Should last for like a week at least.

It needs a serious optimization. iPod Nano 7 lasts 30 hours with a 240 mAh battery. So with 2200 mAh, it should last like 10 days at least.

Ipod shuffle lasts 12 hours with an even smaller battery

https://en.wikipedia.org/wiki/IPod_Shuffle

It has a 150 mAh battery, so even with Shuffle's optimization level, 2200 mAh should still last more than a week for Tangara. I gave Nano 7 as an example because it's what I have. Of course I'm not expecting Apple level optimization but they can do much better. Otherwise 2200 mAh is an overkill for such a device.

Has anyone checked out prices for refurbished ipod classics? $300 for a 20 year old mp3 player! Insanity!

Edit: looking at the specs for the Tangara..... 16MB of internal storage???? Uhhhhhhh......... I guess the intent is to use an SD card.

Are these “refurbished” or “updated”?

An OG iPod in decent shape with original specs is cool from a collectors point of view, but even then $300 sounds steep.

But if you slap a modern li-po and higher capacity modern flash storage, maybe a haptic module? Dude. Now it’s a highly functional piece of nostalgia.

Looks like the first iPod, the brick.

It sounds like that was intentional.

Is that a click wheel? I'll be surprised if apple won't sue them over that.

Well if Apple owns IP on it, I guess it would have to be a patent. The hardware would be quite different I guess, so would be a design patent with a max of 15 years from 2001 when the first iPod was released.

I'd guess Apple wouldn't sue, for a design out of patent (so no obligation to defend it) and that they don't even use anymore. (I ANAL)

Cool cool cool. I miss my old iPod with the click wheel, so I hope you're right. I'd love to get an open-source hardware device using one now.

It would be interesting to use one and see if it feels the same. The original iPods had this very specific feeling to them. If it was replaced with say a glass capacitive circle or it if had different haptic feedback then it would feel quite different.

I haven't seen a device that takes full sized sdhc cards in at least a decade.

Genuine question : Why use that instead of storing your musics on your phone ?

I prefer an MP3 player over my phone. Here is the one I use. Why I like this one:

  • Dedicated device designed for music.
  • Hardware designed to play high quality music. (Think using Ubuntu vs Ubuntu Studio for music production)
  • Dedicated buttons instead of all touch screen.
  • More options for integration with other devices or systems
  • No distractions. Phones nowadays demand our attention for every little thing. Every app, no matter what it is, has notifications.
  • The Bluetooth is better.
  • You can literally hear the difference in the quality of the music if you use good quality headphones/ear buds. The same song, same file, will not sound the same if it's a good quality FLAC.

While I use my phone for music I can certainly see some advantages:
physical buttons
smaller and lighter
less distraction than a phone
cheaper to replace if stolen or broken

You can replace your phone with dedicated electronics, which has some advantages, such as better battery life and generally better performance. Like I bet this thing has a better amplifier than a phone has.

And phones have their downsides. They don't last as long and are expensive. Privacy issues. And can be too stimulating and intrusive. For example sometimes you just need to know the time and before you know it you're emailing someone.

When I go hiking I can just as well take a dumb phone, a GPS and an mp3 player with me. Maybe a camera too.

Having something that doesn't connect to the internet makes for a better device in the long run. Plus, as others have mentioned, less distractions.

I will always prefer my iPod Mini with extra storage, new battery and Rockbox like this guy did, and the reasons are:

  • better overall build and audio quality
  • way cheaper (70-80$ vs 249$)
  • better software support (Rockbox is FOSS and has been going on for ages and it's not gonna stop)
  • it actually upcycles old hardware instead of buying new devices and creating more e-waste
  • nostalgia value +100 points

Cute, but what problem does this solve? Regardless of what you feel about any particular platform, consolidating multiple pieces of functionality into the highly integrated smartphone platform was a major step forward in mobility. This just feels like a regression.

Below you will find my highly researched list of advantages over the typical smartphone:

  • Headphone jack
  • Mucho storage space
  • Works without internet connection
  • Free software purity (I don't know, ask RMS)
  • Coolness

Tbf you can still get a phone with a headphone jack, and with a ton of space. Not that you need a crazy amount for music anyway.

Also confused about the internet connection part. Even if you only use music streaming services, most let you download your music for offline listening.

I'm okay with the idea of a piece of tech meant to do a single thing, do it well for hours on end on one charge, while not spying on me in creative ways

It comes with a 3.5mm audio output for starters.

There are $10 adapters that convert USB-C to a 3.5 mm port, if that is critical. Or just get any of the wide variety of Bluetooth devices on the market.

A 3.5mm jack costs fractions of a cent, and I don't have to carry around a $10 dollar adapter to solve an artificial problem.

Bluetooth sucks badly, and the wide array of devices on the market have batteries that need to be charged. I'll stick with the best option if i can thanks, 3.5mm jack.

Okay, but in exchange you're carrying around a $250 device that is much large than the adapter? That was my point. And for many people, myself included, Bluetooth devices do decently well even if they have their drawbacks.

Fair enough. I guess my point is that a modern phone should have both Bluetooth AND a 3.5mm jack.

Some people like to enjoy their media without having to use a smartphone, they prefer to keep their smartphones as strictly communication devices. Doing so allows them to switch off entirely when at their leisure in addition to saving phone battery life.

2tb of removable storage dedicated to music and the existence of a headphone jack are significant advantages for me. Not that I would purchase this particular contraption but I understand the appeal of single function/media devices such as DAPs and ereaders.

Some people like to enjoy their media without having to use a smartphone, they prefer to keep their smartphones as strictly communication devices.

Okay, I guess that's fair. I can see this useful for being out for a run or whatnot. I'm not sure I find it quite comparable to an e-reader, since the screen on an e-reader provides a decidedly different experience from a smartphone both in size and readability.

Depending on the particular DAP there may be physical size and storage advantages. Furthermore most ‘premium’ smartphones do not come with a headphone jack meaning that the audio experience using a decent pair of IEMs will be an improvement on listening to music on a smartphone via a pair of wireless headphones/earbuds.

P.S. I’ve yet to come across a pair of wireless earbuds that are as comfortable or sound as good as my favorite pair of IEMs.

I think it can at least carry 2TB of offline music for you if you still like owning your own music if that's your thing. It's an option, nothing wrong with that

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You could say this about any type of music player tbh (LP, cassette, etc.)

Yup, this just feels like someone trying to make the cassette cool again. There's a reason it fell out of fashion. If someone wants it, so be it, in the end that's their business. I just think it's a little silly to be sprouting more devices (and associated e-waste) when people can stay consolidated in one compact package.

Idk, I like cassettes, so I don't mind being a little silly sometimes

Oh, I don't have fond memories of them. Rewinding, lack of metadata, tape getting snarled, no seeking, limited capacity, and limited sound quality. But hey, I certainly have my silly areas so who am I to criticize?

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Will buy for the Opus audio codec support alone.

The only reason i’d consider this is if the soundcard was premium with DAC and amp included. Otherwise that piece of junk brings nothing to the table. Yes this thing has it, but its nowhere near premium.

This is all well and good, especially from a nostalgia perspective (in addition to the general pushback against cloud everything); but what I miss most about portable music nowadays is the lack of decent inline remotes (think early 2000s Sony MiniDisc players).

The player stated in your pocket, and the remote handled everything, volume, playback, and even had a dot-matrix screen to identify and navigate playlists!

You need a smartwatch.

I have one - but its touch screen is no replacement for bespoke, tactile controls.

Sound like you just have a smaller smartphone on your wrist. My smartwatch has a black and white (not grayscale) display as well as 5 physical buttons and I wouldn't have it any other way.

If you’ve never used an inline remote, it’s really hard to explain why they were so much better from a UX perspective than what’s available now.

If I want to control media on my smartwatch, I need to flick focus on my wrist - usually stopping me from being able to fully use that hand, identify the right controls on the touch screen (and that it’s even on the right screen, and not obstructed by notifications) and hope that they register correctly.

Those old inline remotes were basically a useful ‘Bop It!’; control inputs varied: twist a dial, tilt the end, button press, slide, scroll dial and provided full tactile control which could be truly used one-handed (when clipped to my shirt).

It is a true shame that they were left by the wayside, when multiple devices ended up amalgamating into the modern smartphone.

I had and loved my minidisc player back in the earlie naughties. The remote was great, but there was no standardization and it became a single point of failure. If and when it broke, you’d have to get the specific control for your MD player.

It kind of lived on in spirit with in-line volume/call controls for wired headsets on the 4-conductor 2.5mm jack. Those were cool, and standardized.

We could have a return to that, with USB-C, but I don’t think it’d see much more than a niche adoption. Smartwatches and fitness trackers do it just as well, and once you know the layout, you can skip/pause without looking. Plus most cordless headphones/earbuds have integrated controls as well. Streaming at home you have voice controls, streaming in the car they are on the steering wheel or stereo.

The wired in-line remote is really only even applicable to the already niche community of users who refuse to adopt wireless. Considering most of those people are strict audiophiles, only something that has a quality integrated DAC would appeal to them. Thats a pretty specific product for a pretty small market. Not saying it wouldn’t be feasible, but it’d certainly not be cheap and simple.

Tactile feedback is great though. I’m totally with you there…not many watches have physical buttons that you can locate and activate completely unaided by vision.

Granted there was no standardisation in the industry, but I’m pretty sure they used the same remote across most of my portable MiniDisc players growing up (ie. from MZ-R55 to MZ-R900.. the MZ-NH1 had a different remote altogether).. I didn’t even realise there were restrictions?

The issue with the inline controls that evolved since (and morphed into Bluetooth controls) is that they’re too basic, compared to what I’d like.

On the go, I long since ago switched to wireless audio - using AirPods Pro and a ‘vintage’ Apple Watch 3, but I would gladly opt for a wireless/bluetooth lapel clip style object with the same controls those old Sony had.

I’ve had a quick look around - but haven’t managedd to find anything that would fit the bill. Honestly, not even sure if smartphones offer sufficient functionality over Bluetooth to make something like that work out of the box?

I had a Sony portable CD player that I used to use for listening to audiobooks as a kid. It also had an inline remote with a screen. One notable feature it had was custom screen messages (dunno why you would need one tbh). Nothing beats setting the remote so that there was an ASCII dick on the screen all the time, and then have your dad give you the look of disappointment afterwards.

At some point the remote was lost, and the laser assembly broke. I miss that player dearly

I just want an mp3 player to replace my Walkman with sensme, they killed sensme and nothing has replaced it so to date the best mp3 player I own is that little thing, I tell it what mood I am in and it always delivers, I dread the day it dies.

I've tried cloud based music services like Spotify etc they are not really same thing as it's just global playlists for a mood/genre, not something tailored to your tastes in a set catalogue.

I’m impressed!

It is named Omakase Channel in Japan.

The phrase omakase, literally 'I leave it up to you', is most commonly used when dining at Japanese restaurants where the customer leaves it up to the chef to select and serve seasonal specialties.

Hey, would a Spotify playlist analyzer help you?

I've tried them and they were hit and miss, also to make things more niche most of my music is a mix of video game music and film/anime music, which Spotify is quite short on.

Spotify and other services are trying to make you discover new music. While that's useful I just want it to analyse my local music and work out what to play.

Its a shame the tech exists but as its patented (I think) you can't simply make an open source version, I believe really it's just a 2d graph plot against tempo and some other metric derived from analysis.

Sounds kind of cool. Does is support Rockbox, yet?

One of my first "hacking" a device was putting Rockbox on a 4 gb Samsung MP3 player in 2010. This device wasn't meant to play/watch videos, but Rockbox unlocked that capability. It had a tiny screen, but still.

Dude, I haven’t hear the name Rockbox in yeeeeeears! I had that in my first mp3 player that predated the iPod. I don’t remember the name of it, but Rockbox really improved the interface.

It would be a neat gift for anyone that enjoyed the first generation iPod.

Well damn. Might be what i was looking for. Gotta know if it had Gapless Playback before purchase though

With optimization that battery should last more than 10 days.

Will be needing to check-in on this over time to see if anything is changed or default functions expand just a bit. I have been looking for a good media device for loading my archived podcast episodes/seasons and audiobooks without having all the extra bloat and/or possible malware that can be on lots of similar and cheaper Android players (or the overkill of using an old phone that doesn't have a aux port). Main thing for podcasts and audiobooks is variable playback speed settings and stuff like understanding audiobook formats with chapters.

Sadly I (for now) have settled on a sketchy Android device that I would love to root so I can remove a specific flagged app that the Play Store always pops a notification about that is not uninstallable like so many companies do. But since it is a no name brand without firmware images to download from their site. I just I only ever put it online long enough for my favorite podcast app to pull new eps or Audible. Though I am planning to eventually just download and strip DRM from my library for having backups.

So if this thing can get variable speed for podcasts and support open/free formats that are specific to books. Then I am sold. I never got to have an iPod back in the day, so I very much like the throwback look of this thing! I do wish it had more RAM though, as I would imagine that it could limit some higher quality formats/codecs (but I am not a dev so maybe it wouldn't matter). The price seems fair given it isn't from just another global mega-corp. I hope they pay their devs well to make sure their official firmware updates stay active, and/or put some profits into future revisions and whatnot.

So just saying....I found a pretty simple iPod classic upgrade...you do the battery and swap out hard drive for a SD motherboard which can handle any SD drive you throw in it....

Does the iPod Classic support variable playback speeds and open audiobook formats? I genuinely don't know much of anything about them aside from how to play regular music whenever my friend that had different Nanos over a few years back in the day. Also can stuff be loaded without iTunes? If so, then I would certainly look into them again!

While I'd prefer a sort of iPod-like alternative to high-end DAPs like FiiO or Astell&Kern make, this is nice too. If it just had a balanced audio jack, it'd be perfect.

https://www.westerndigital.com/products/mp3-players/sandisk-clip-sport-go?sku=SDMX30-016G-G46B

$50.

Edit: What's the point of open sourcing this product? It's an MP3 player. How does it utilize wifi? Does it run apps? Can it access a file server to download new media? The video and article doesn't go into that at all. BT is nice but Sandisk $50 clip players have had that for a long time.

This seems like 5x the price for a dev product.

What’s the point of open sourcing this product?

Some people just like to have the possibility to change and completely own their stuff. Some people actually do change firmware or hardware components. I'd say it's mostly for tech enthusiasts and tinkerers.

It's weird to ask "what the point of open sourcing this product", do you ask what the point of keeping the source closed is?

What benefits do you get from this device being open source? It's not like a dumb mp3 player is stealing your data. Can it do anything traditional players can't?

what benefits do you get from that painting being blue? what benefits do you get from eating an orange vs an banana? explain yourself.

This might be the more inane and useless response I've seen on Lemmy. You can't answer the simple question so you throw out a complete change of topic. Pathetic.

I'm making a point, I'm not actually asking you to answer those questions....

does the sandisk do 2tb of flac?

Using flac files on a device with this fidelity is a waste of space.

Making a lower quality copy of a file to save a minimal amount of space is a waste of my time. Besides 2TB is enough space for over 7,000 hours of basic 44.1kHz 16-bit FLAC listening.

Edit: That's what I get for using a random online calculator. Based on the 39,354 FLAC files I have (of various encoding qualities), totalling 1.19516 terabytes and about 9686530 seconds of audio, I can expect a 2TB SD card to fit somewhere around 4,444 hours of FLAC audio. That still seems like enough.

Totally. Dropping a folder to fre:ac and clicking 2 buttons takes an enormous amount of time.

Also, 7000 hours of FLAC 16/44.1 is about 4.44 TB so your math is pretty off.

That's what I get for using an online calculator.

Still I've got almost 40,000 FLAC files of various quality levels with a duration of roughly 2,700 hours taking up only 1.2 terabytes. Still within the same order of magnitude and still plenty of space in 2TB for a collection I've been curating for 25 years. I don't think it's worth my time to suddenly manage a lesser quality copy of each of those just for a portable player.

I don't want this question to sound like it's in bad faith but how much of this do you listen to, and how much of it just sits there forgotten? My catalogue is about 361 GB (CD rips and purchased downloads) of flacs and I had to make separate folder that I named "!threat of irrelevancy", that is 36 GB in size, for what I believe is an obvious yet personal reason. These numbers are far exceeding any logical timeframe.

Yeah, this is a question in bad faith from a child to someone that's been curating a collection of music for more than a quarter of a century.

This isn't even my entire collection, I've got at least a couple orange crates packed with vinyl, CDs, mp3s, concert videos, and even some cassettes for nostalgia. Do I listen to everything I've gotten digitally? Not yet, but I don't plan on stopping my listening any time soon and drive space is cheap, so I figure that I've got time.

Your "logical timeframe" is both naive and deeply insulting. I'm going to enjoy my library hobby anyway, but you can just fuck off with your negative attitude.

Is it really "naïve" to claim there is simply not enough time itself to listen to music and do everything that we do in out lives? Or is it naïve rather to claim otherwise. And that actually was not in bad faith as I struggle to listen enough on my own. So you can fuck off with your weird ass superiority mister 'more equals better and smarter'.

People like what they like. I like to collect and listen to music. It's NOT cool to shit on someone else hobbies and interests just because you don't get it. If you can't understand that, then yes you are being a naive jerk.

I have no idea where in the hell I was shitting on the same hobby that I have. Probably as a straw man in your head.

Could've fooled me. Other people interpreting the things you say based on your words alone is not a strawman argument though. We should all just chill. Yeah, maybe I haven't listened to everything I've collected, but it's a lot easier to collect now and listen later than search in vain when I want to find something.

It supports FLAC but goes only to about 64 GB micro SD cards. Although they made newer models since, but every one seem to have missing important features, like Bluetooth only or lack of SD cards support.

You can't hear flac. But no it doesn't do 2tb. Is this $250 device water resistant? Does it have a clip? Does it have an FM tuner?

I can hear flac is better than mp3. maybe I can't hear all flac has to offer, but its a better listening experience. also the page 100% says it supports up to 2tb sd. the things you listed literally dont matter to me

That depends on way more than just the file format of your music. With a device like this one, you literally wouldn't be able to tell them apart.

that is a fair point. works on what I own but I'm not involved enough to know what this is capable of. I'll be keeping an eye on reviews and future development, and keep my ipod rocking as long as I can

I mean no one can even hear all the way up the bitrate of MP3s. So no one can actually hear FLAC.

also the page 100% says it supports up to 2tb sd.

No I was answering your question that the Sandisk didn't support that.

e things you listed literally dont matter to me

Cool. I was asking what is so interesting about this $250 iPod and how does open source benefit it? Besides holding so many songs you'll never listen to them I mean. It doesn't appear to have functionality a player 1/5th it's cost does. And no one has given me an answer on what functionality open source could enable for an mp3 player that isn't already available.

when I compare an mp3 file to a flac file, the flac sounds better. theoretical maximum mp3 bitrate isn't what I experience.

sorry about the 2tb miscommunication. 100% my bad.

even if 2tb is too much, it is expandable, and the one you posted isn't. personally I have a few hundred gb. some people do listen to more music.

I dont don't think its worth $250 but its a cool project to be excited about.

for me, open source is mostly philosophical. that won't mean enough to everyone. I also expect better long term support from an open source project.

They don't answer your questions because they don't like the answers, simple as that. My advice would be to not waste any more of your time on this. That's what I'm going to do at least. You can't argue with fanatics.

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It could do whatever since it is open source and uses ESP-IDF. Adding features like that or coding an entirely new firmware would be well within hobbyist capabilities.

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