I want to use accelerometer in one of my projects. I choose MMA7455, accelerometer has leads under the case so you need some gym to fix it. I solder it with hot air and under the microscope.
I used project on dangerous prototypes as a source of PCB (there is a lot information about this accelerometer). I made this:

BusPirate do the job when i tested everything. I can read more about usage here, and more info about buspirate are here.