fry

I have a problem... I bought a 1tb microSD memory card for my phone which wasn't particularly cheap and after loading about 200gb of my personal photos, videos, documents and such, it started slowing the phone down and eventually went into read only mode. Anyway long story short, it is dead and...

Hi all, I am new to electronics and designed my first circuit. However I fried one of my PCB and trying to determine the root cause. What I am suspecting is caused by a diode polarity that I missed. The PCB was working fine for about an hour or 2 without any issues. Then suddenly it stopped...