I've often had an "aaah #$%^" moment in the shower, during a "bio break" or while driving. If I get stuck for more than an hour then I go home and will often figure the problem out.
One strategy that seems silly, but often really works, is to have a whiteboard in a room with a teddy-bear in a chair. If you get stuck then go explain to teddy how it works. In doing so you'll often find the problem.
Good..normally the biggest problems are solved when you change the envionment, i guess if we keep working in the same place and keep seeing the problem we tend to ignore minor problems that are actually the cause.
As we unveil EE Times’ 2015 Silicon 60 list, journalist & Silicon 60 researcher Peter Clarke hosts a conversation on startups in the electronics industry. Panelists Dan Armbrust (investment firm Silicon Catalyst), Andrew Kau (venture capital firm Walden International), and Stan Boland (successful serial entrepreneur, former CEO of Neul, Icera) join in the live debate.