Adis16350

electric550

So after looking for a decent 3 dof gyro for a cheap price and finding nothing in one package, I think I am going to get the ADIS16350. Anybody use this thing yet? Looks like the SPI interface should be normal. Any suggestions or maybe a spi driver that works for this. Sorry for being lazy I am looking at a lot of stuff right now, and I would like to see if anyone has a better solution. This seems nice with 3 axis gyro and 3 axis accelerometer. Unfortunately it is expensive.

electric550

I also hate the fact that the accelerometer is fixed at 10g. It is the best thing in one package I have seen so far for the price. I also like that it is one spi interface to all the sensors. Otherwise there would be a lot of IO lines, and I have run out.

Timmoore

I haven't used the 350 but I have used the adis16250. I wrote some code a while ago for the 250 for the prop but dont know whether I tested it or not.I ended up putting the adis16250 into a different system. The only problems I had were with the SPI implementation on the other system. Once I working round the SPI implementation the 250 worked fine.
One issue I found with the 250 is the drift is quite high, I dont know whether the 350 is any better.

electric550

I was actually looking at getting those but the extra chip select lines for three have kept me from getting them. I hear that most have drift and the have to be linked to accels and mags to correct for it. I do like the ability to change sensitivities. I would expect the drift to be less at higher sensitivities, but I have not hooked one up yet so I do not know.

Timmoore

I was comparing it to a LISY300AL gyro which is a +-300/sec gyro, the 250 is 320/sec by default so the sensitivities abou tthe same. The 250 had a much higher drift that the LISY300AL., e.g. 10x. This could be my paticular 2 gyros or not, dont know. They are within a couple of inches of each other so should be under the same conditions.

electric550

That is interesting. I was planning on using the 75 degrees per second for holding position, then switching to larger sensitivities if required for quick maneuvers, but I think that is just some wish full thinking.