The Accelerometer sensor is an add-on for your RedBot that provides bump and motion detection. The sensor works by measuring acceleration forces on the x, y, and z axis. By measuring the amount of acceleration (or lack there of) your robot can get a better understanding of its movements.
The sensor has two 2x3 headers (one male and one female) which connect directly to the RedBot Mainboard giving you the ability to stack another I2C sensor. Just use the included RedBot library to detect bumps and motion.
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Based on 2 ratings:
I was able to remove the connectors as I needed through holes, and the circuit board held up well. Impressed.
Using the RedBot library as a start it was simple to get up and running for my application. The inclusion of a 5 v regulator and level shifting I2C signals made it especially easy to use. However, it would have been really nice if the accelerometer interrupt pins had been brought out. I understand this is meant for RedBot applications and the desire to make it simple was important, but it would have been a nice addition. There is another breakout for this chip that has all the signals brought out, but there is no I2C level shifting or regulator. I think the chip is at End Of Life so that's the way it goes. Nice job overall.