Hello,
I am doing my school project which require me to log data of force, they only allow me to use the version of arduino that they have which is MEGA ADK R2. At first, I bought a simple SD card reader from LC but was not working and somehow it dosen't work. Therefore, I read through the website and understand that adafruit provides the data logging shield but does not support ADK and Mega r2. Can I know why is this so? Is it because of the SDA, SCL and IOREF pin? What if I do not need these pins? Or does the shield need those pins to be connected?
Data logging shield by adafruit
Moderators: adafruit_support_bill, adafruit
Please be positive and constructive with your questions and comments.
- adafruit_support_bill
- Posts: 88093
- Joined: Sat Feb 07, 2009 10:11 am
Re: Data logging shield by adafruit
The SDA/SCL pins are different and are needed for access to the real-time-clock for timing. Also, the SPI pins are different and are needed to talk to the SD card.
We have a library that lets you work around the SPI issue with "software-spi". To get the real-time-clock to work, you will need to solder some jumpers from the shield to the corresponding pins on the Mega.
It can be done. it just won't work 'out-of-the-box'.
We have a library that lets you work around the SPI issue with "software-spi". To get the real-time-clock to work, you will need to solder some jumpers from the shield to the corresponding pins on the Mega.
It can be done. it just won't work 'out-of-the-box'.
-
- Posts: 2
- Joined: Fri Mar 21, 2014 11:53 am
Re: Data logging shield by adafruit
Can I know where can I get the SPI lib?
- adafruit_support_bill
- Posts: 88093
- Joined: Sat Feb 07, 2009 10:11 am
Re: Data logging shield by adafruit
The links and instructions can be found on this page of the tutorial: http://learn.adafruit.com/adafruit-data ... d-leonardo
Please be positive and constructive with your questions and comments.