faulty

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, I recently had a fault occurring whilst connecting my laptop to my mixing desk whilst having multiple new DMX fixtures connected to a USB interface. Whilst checking for faults I discovered a voltage of about 80-90V between the DMX port on the fixture and the Earth Connector. Knowing that the...

Hi everyone, short version: I've been struggling to find an optocoupler for my application. I think this one could work: Crydom DR06D03 but the datasheet lists the turn-on and turn-off times as "1/2 Cycle" and I don't get what it means since it's all DC on both input and output side. Crydom's...