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Panda 2 not responding


#1

I have a problem. I was testing audio amplifier circuit and all of a sudden panda start restarting like crazy. After that it didn’t work for some time. Led was on but it didn’t react on anything, it wasn’t detectable by my pc. Then, for some reason, started to work perfectly normal. And after two-three hours restarting occurred. I have noticed that led isn’t flashing in full power but when I press restart it does. My PC wont recognize it. Does anyone have any idea what’s going on? This is the circuit that I was working on, simple audio amplifier I’ve used it before.


#2

Too much power load on regulators?