Good luck desoldering that main SAM chip 
Wouldn't want to be you. All the other parts are easy with a half-decent hot air rig and vacuum tweezers, but removing million-pin QFP's is not my idea of fun.
Good luck desoldering that main SAM chip Wouldn't want to be you. All the other parts are easy with a half-decent hot air rig and vacuum tweezers, but removing million-pin QFP's is not my idea of fun.