Or, in my case, you wind up taking 36 hours to learn how to mount QFN sensor chips instead of the 12 hours you budgeted. Half of the time is spent removing and

Or, in my case, you wind up taking 36 hours to learn how to mount QFN sensor chips instead of the 12 hours you budgeted. Half of the time is spent removing and remounting the chips and inspecting the joints with a microscope Half of the time is spent querying the device using the uC as your host, and fearing that the problem is in your test software and not the solder job.