OK. Now I see. It is a power supply challenge.
Have you checked the +5v on the Arduino after the fail? Is it still +5v? That sounds like an overtemp shutdown on the voltage regulator. Is the regulator getting really hot?
OK. Now I see. It is a power supply challenge.
Have you checked the +5v on the Arduino after the fail? Is it still +5v? That sounds like an overtemp shutdown on the voltage regulator. Is the regulator getting really hot?