Arduino Basics - Lesson 17 - Reading and writing data with a micro SD Card

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In the 17th video in the Arduino Basics video series we will be using a micro sd card reader and learning about writing and reading data.

Lesson17 Final
Materials Needed:
- Micro SD module
- Micro SD Card
- Jumper cables
- Arduino Board

Links:

0:00 - Introduction
0:35 - Wiring Diagram
3:38 - Main Lesson
17:25 - Extension
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Dude I dont know why this doesnt have more views & likes. Thank you so much! Quick tip if someone is struggling with the code using Arduino MEGA: remove GND pin from the micro SD module, and disconnect and connect the SD card. I was stuck with the "SD initialization failed" message and the latter fixed the problem.
PS. you got a new subscriber. Thank you again!

deathxsense
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Very nicely presented! However, I would also like to study the code off-line. I've looked around for it, but I can not find it. Can you please post a link to it? Thanks.

MartinWibert
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Just exit() instead of infinite loop upon failure.

elektronkim
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Thank you for this information. But i want to store data from the SD FILE to an array. I need a solution please help me for my project

sarojchaudhary
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Really nice video! thanks for all the information.
I'm having a problem with the recording in the SD card, it only record 3 minutes of data ~10 kb in a 2 GB SD card, do you have any idea what can be wrong?

ivanatorres
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how to save file with new name using push button?

DriY
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thank you for your turtorial, but i'm getting the error "error opening test.txt", but after it says "data written sucessfully"..
after I put the SD in my laptop, and i saw 3 files (1 .sys and 2 without extention) written with strange caracters

joaopereira
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can you make a pdf reader with the arduino uno tft touch screen shield?
i need help coz im a beginner trying to make a pdf reader thingy with a 612 page pdf file

HashirEasa