I have a 2010 FIRST accelerometer which has the ADXL345 chip in it. Here is the data sheet they gave us:
/"ww.usfirst.org/uploadedFiles/Community/FRC/Game_and_Season__Info/2010_Assets/2010%20Sensor%20Manual%20RevA.doc"/
I have been doing a significant amount of reading around and still cant figure out how to interface it to my arduino mega via i2c.
First, I have been using code from :
"/codeyoung.blogspot.com/2009/11/adxl345-accelerometer-breakout-board.html/"
... its not exactly the same breakout but the same chip.
Now, do I need to connect CS to 5V or is that done in the chip. And the same for SDO to ground?
Then, what exactly is the i2c address for this? it says 0x3a on the datasheet but thats different from what is in the program? AND I thought it was supposed to be an 7bit address but this is 8?
Any help would be appreciated