{"id":325,"date":"2014-08-26T00:18:09","date_gmt":"2014-08-26T00:18:09","guid":{"rendered":"http:\/\/bitcows.com\/?p=325"},"modified":"2014-08-26T00:18:09","modified_gmt":"2014-08-26T00:18:09","slug":"diy-sd-card-reader-and-audio-player-for-arduino-uno","status":"publish","type":"post","link":"https:\/\/bitcows.com\/?p=325","title":{"rendered":"DIY SD Card Reader and audio player for Arduino UNO"},"content":{"rendered":"

Files needed to talk to the card to play music:
\nhttps:\/\/github.com\/djmason9\/TMRpcm<\/a>
\nYou will need to install these into the Arduino App. (See Import Library<\/a>) for details<\/p>\n

Don’t have a break out board for the card reader? Make one! NOTE: only use 3.3V on this.
\n\"SD<\/p>\n

\"IMG_7434\"<\/a><\/p>\n

Connecting the pins<\/strong><\/p>\n

\nArduino Pins | Card Pins\npin 10       | 7           | CS \/ DAT2 \/ \npin 11       | 6           | DATA IN \/ CMD\npin 12       | 1           | DATA OUT \/ DAT0\npin 13       | 3           | CLK \/ SCK\n3.3v         | 4           | VDD \/ VCC \/ PWR\nGND          | 5           | VSS1 \/ GND\n-----------------------------------------\nGND          | 2           | GND\n<\/pre>\n
Card Pins Start 1-7, 1 being the side without the angle<\/p>\n
#include <pcmConfig.h>\n#include <pcmRF.h>\n#include <SD.h>                      \/\/ need to include the SD library\n#define SD_ChipSelectPin 10          \/\/using digital pin 4 on arduino nano 328\n#include <TMRpcm.h>                  \/\/also need to include this library...\n\nTMRpcm tmrpcm;                       \/\/ create an object for use in this sketch\n\nvoid setup(){\n\n  tmrpcm.speakerPin = 9;             \/\/11 on Mega, 9 on Uno, Nano, etc\n\n  Serial.begin(9600);\n  if (!SD.begin(SD_ChipSelectPin)) { \/\/ see if the card is present and can be initialized:\n    Serial.println(\"SD fail\");  \n    return;   \/\/ don't do anything more if not\n  }else{\n    Serial.println(\"SD read\");\n    tmrpcm.play(\"someaudio.wav\");\n  }\n}\n\nvoid loop(){  \n\n}<\/pre>\n
Its important to note that you need to set up your audio files correctly.
\n– Sample Rate: 16000 kHz
\n– Bit Rate 8 bits per sample
\n– Mono<\/p>\n
The best way to do this I have found is to use iTunes.
\n\"mp3<\/p>\n
To learn more about how to read and write to the sd card check out this artical<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Files needed to talk to the card to play music: https:\/\/github.com\/djmason9\/TMRpcm You will need to install these into the Arduino App. (See Import Library) for details Don’t have a break out board for the card reader? Make one! NOTE: only use 3.3V on this. Connecting the pins Arduino Pins | Card Pins pin 10 |…<\/p>\n
Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":332,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-325","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electronics"],"_links":{"self":[{"href":"https:\/\/bitcows.com\/index.php?rest_route=\/wp\/v2\/posts\/325","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bitcows.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bitcows.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bitcows.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bitcows.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=325"}],"version-history":[{"count":0,"href":"https:\/\/bitcows.com\/index.php?rest_route=\/wp\/v2\/posts\/325\/revisions"}],"wp:attachment":[{"href":"https:\/\/bitcows.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bitcows.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bitcows.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}