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Audio Shield for Arduino - ladyada.net
http://www.ladyada.net/make/waveshield/
This tutorial has moved to http://learn.adafruit.com/adafruit-wave-shield-audio-shield-for-arduino
Audio Shield for Arduino - ladyada.net
http://ladyada.net/make/wavshield/design.html
The audio is encoded in PCM format. This means "pulse Code Modulation". Lets say its a 16bit, 22khz wave. The audio waveform is sliced up 22,000 times a second and a corresponding value (up to 16 bits - from 0 to 65,635) is read from the waveform, then that value is stored in the file. Each sample is a unique value. The file is not compressed.
Audio Shield for Arduino - ladyada.net
https://ladyada.net/make/wavshield/convert.html
ladyada.net. Intro. The wave shield is designed to play a very specific type of audio. If your music sample is in MP3 format, or 44KHz wav, you'll want to convert it to the right format. This way you will get the highest quality audio . Step 1. Check the file .
Audio Shield for Arduino - Solder it up - ladyada.net
https://www.ladyada.net/make/waveshield/solder10.html
This is an audio-type 10K pot. It will slip into place pretty easily. Solder all 5 pins of the potentiometer. Use plenty of solder so that it has a lot of mechanical strength Next, break the 36-pin header strip into smaller sections so that the shield can be placed on the Arduino. You can use pliers or diagonal cutters.
Audio Shield for Arduino - FAQ - ladyada.net
http://ladyada.net/make/wavshield/faq.html
ladyada.net. Can this shield play MP3 files? What about WMA, Ogg, AAC, etc? ... Can this shield record audio? There is no hook-up for a microphone, so there is no easy way to record audio. There is also not enough program space on the current Arduino chips (atmega168) to support recording audio and saving it to the SD card as well as playback. ...
Wave Shield Kit - Gravitech
https://www.gravitech.us/waveshieldkit.html
Adding quality audio to an electronic project is surprisingly difficult. Here is a shield for Arduinos that solves this problem. It can play up to 22KHz, 12bit uncompressed audio files of any length. It's low cost, available as an easy-to-make kit. It has an onboard DAC, filter and op-amp for high quality output. Audio files are read off of an SD/MMC card, which are available at nearly any …
transistors - Arduino low power consumption and ...
https://electronics.stackexchange.com/questions/49368/arduino-low-power-consumption-and-multiplexer
I've got a project that uses an Arduino with the LadyAda audio shield and a multiplexer to play sounds in response to button presses. I'm planning on using a MAX667 voltage regulator which has a low quiescent current, as well as using the ATmega sleep capability to put the Arduino (actually ATMEGA328P chip without the Arduino to bypass its regulator which has a relatively …
Can this amplifier be used with this dac? - Audio ...
https://forum.arduino.cc/t/can-this-amplifier-be-used-with-this-dac/90086
I can use it the same way the opamp in the audio shield is used, with what is called a single ended output. There I would just tie the - input to ground, and the + input to the dac which would output 0~5v.
Adafruit Wave Shield for Arduino Kit [v1.1] : ID 94 : $22 ...
https://www.adafruit.com/product/94
Here is a shield for Arduino 328's that solves this problem. It can play up to 22KHz 12bit uncompressed audio files of any length. It's low cost, available as an easy-to-make kit. It has an onboard DAC, filter and op-amp for high quality output. Audio files are read off of an SD/MMC card, which are available at nearly any store.
Amazon.com: Adafruit Wave Shield for Arduino Kit - v1.1 ...
https://www.amazon.com/Adafruit-Wave-Shield-Arduino-Kit/dp/B00IQXZN9Q
Audio files are read off of an SD/MMC card, which are available at nearly any store. Volume can be controlled with the onboard thumbwheel potentiometer. This shield is a kit, and comes with all parts you need to build it. Arduino, SD card, tools, speaker and headphones are not included.
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