I had a look at the LimeSDR Mini documentation for adding a fan.
One thing I’m not sure of is the polarity.
I know I need to solder to port J10, I’m wondering when looking at the port, when look at the LimeSDR Mini from the top view and when it is below the silver heat sink.
Is this port 3.3V or 5V ?
Which pin is the V++ and which is the GND ?