Controller temperature in winter (heat tape?)

OF recommends to keep the temp of the controller box above 40…
Has anyone thought on placing piping heat tape under your bench in a cold shed workshop directly under the controller?

Says it regulates temp 45 - 50…

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I’ve never tried that, but it’s not required for me. I can’t imagine the magnetic field would be too awesome for the SD card though.

controller is a metal box. Could not see that as a problem. It is only a very small heater strip Would think for those in very clod weather it would keep out the condensation…