wifi controlled sd card audio player only i2s output

Need complete working prototype

No size layer limit for pcb

Needs to be completed in 6 months.

after pcb layout completed and shared with me , pcb will be manufactured by me and sent it to you for firmware development.


SRAM Buffer: IS61WV51216BLL-10TLI 3.3v

Storage interface: Sdcard slot 4bit SDIO

Output interface: independently-clocked I2S

audio clocks: NDK NZ2520SDA 49.152Mhz and 45.1584Mhz 3.3V

"wurth 693161011911" connector.

only i2s output

mute output.

Support pcm 32bit 768Khz and DSD512 audio files.

fatfs(exfat enabled) or ext4 [login to view URL] file system

uncompressed WAV, AIFF, DFF(DSD), AIFC-sowt formats, as well as an basic audio playback application, all in a plugin-based architecture

for future expansion.

Middlewares: decoders (FLAC, ALAC, MP3, AAC, Vobris,) and format containers (MP4, etc,)

wifi direct module (act like wifi ap) to view id3 tag and image, list, play, stop or edit(copy, delete) files in sd card over pc or mobile. Not plan to stream and play over wifi only for access edit and play files in sd card.

Do not decidec wifi module waiting your proposal.

I do not expect professional ui for the desktop and mobile app. Only need commamd sets and basic ui to make demo and test it.

Skills: Microcontroller

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About the Employer:
( 0 reviews ) Istanbul, Turkey

Project ID: #21878685

7 freelancers are bidding on average $1075 for this job


Hi, how are you? Thanks for your project. I've read your description carefully, and I'm very interested in your job. I have been developing many firmware and hardware jobs using STM32 for 8+ years. Especially I know di More

$750 USD in 15 days
(42 Reviews)

Dear Sir, I am an expert with more than 15 years of experience in Firmware development, prototyping, PCB Layouts and Engineering. I have worked in the past with 8-bit, 16-bit and 32-bit MCUs developing ultra-low More

$750 USD in 30 days
(33 Reviews)

Dear client Thank you for submitting this proposal. I am an expert having rich experience for STM32 programming. I have developed many firmwares on STM32F0xx, STM32F10x, STM32F20x, STM32F4xx and STM32F7xx CPUs. Using More

$1150 USD in 20 days
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$1500 USD in 60 days
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Hello! Nice to meet you! I have read your project carefully. I am very interested in your project. I am a Microelectronics and Automation engineering expert. I have a lot of experience on ARM, FPGA, DSP, Arduino, Raspb More

$1000 USD in 7 days
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Hi. I am very interested in your project. i have rich experience on Microcontroller. I am good at stm32 series. I think this project is very suitable for me and i am sure i can give you good result . If you award me More

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