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Simple AVR SD Audio Player - Microcontroller Project Circuit
https://www.circuitlake.com/simple-avr-sd-audio-player.html
Simple AVR SD Audio Player. This audio player project is very simple and only need few wires to be soldered. The main part is 8-pin microcontroller and SD memory card. The chip use ATtiny05 series (25/45/85) 8-pin AVR microcontroller. The AVR has two fast PWM outputs in 250kHz carrier frequency that can output wide frequency range audio signals. As storage, the …
play audio from sd card using avr mcu(atmega-) | AVR Freaks
https://www.avrfreaks.net/forum/play-audio-sd-card-using-avr-mcuatmega
This is a simple SD audio player biult with only an 8-pin microcontroller. The ATtinyX5 series (25/45/85) 8-pin AVR microcontroller has two fast PWM outputs in 250kHz carrier frequency. This enables to output a wide frequency range audio signal.
GitHub - anton-tchekov/avr-audio-player: Music player ...
https://github.com/anton-tchekov/avr-audio-player
avr-audio-player. Music player (.wav files from SD card) See hardware.txt for more infos. Battery Life: ~ 40 hours with old AA batteries (20 mA usage, most of which by the SD card)
Atmel AVR32839: AVR UC3 Audio Player
https://ww1.microchip.com/downloads/en/AppNotes/doc32177.pdf
Atmel AVR32839: AVR UC3 Audio Player Features • Music played over mass storage device –USB dski – SD card † Software audio decoders † FAT file system † USB host mass storage class (MSC) † Standalone - low memory footprint (c ode & RAM) and no operating system dependency † Configurable audio output – External I2S audio DAC – Internal audio bitstream DAC
AVR 16bit Stereo Wave Player - ATMega32 AVR
https://atmega32-avr.com/avr-16bit-stereo-wave-player/
This project aims to implement a cost-effective wave player based on AVR (ATmega / ATiny Series) with CD-Audio Quality, which can play 8-bit/16-bit Mono/Stereo standard RIFF (Resource Interchange File Format) wave files. This project can be applied into many applications such as bus / subway auto-annoucing system, elevator voice indication system. …
Cheap and Easy SD WAVE Player : 4 Steps (with Pictures ...
https://www.instructables.com/Cheap-and-Easy-SD-WAVE-Player/
My first electronics projects (and a lot of them) were audio amplifiers, VU meters, etc. Well, digging around on the web, I found elm-chan's awesome WAVE player that uses an SD card! External storage is perfect. Here is a video of it working. It's a comparison of SD audio and regular computer audio.
Wireless Music Player Using Atmega32 - ATMega32 AVR
https://atmega32-avr.com/wireless-music-player-using-atmega32/
Memory storage is provided by a standard Secure Digital (SD) card. Xbee modules provide bidirectional wireless communication and we use the TLV5616 DAC chip for generating analog audio. The LM358 dual op amp provides active filtering to the output of the DAC. Music files can be added to the SD card using any computer with a multimedia card reader.
txyz.info: Very advanced AVR attiny2313 WAV music …
https://txyzinfo.blogspot.com/2012/11/AVR-attiny2313-wav-music-player-from-SD-card-microSD-MMC.html
Very advanced AVR attiny2313 WAV music player. Read files from SD card / microSD / MMC. Player controls: UART or/and One button …
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