I have a streaming setup which I'd like to power by socket and not on battery packs. The problem is that as soon as I connect any devices to my camera this way (charger) I'm getting a buzz on my external microphone (which is powered by some button cells.)
More on my setup:
The camera is powered by USB through the charger. If I'm just powering the camera by battery, the buzz is still there because the monitor is connected to the camera by HDMI. As soon as I power both devices by battery, the buzz is gone.
I'm in Europe, so my socket looks like this:
The chargers I use all have no earth pin and look like this (might be the cause of the problem)
Sadly I can't find any chargers for my camera or monitor with an earth pin, so I'm wondering if there is anything else that can be done here.