Doug took his helmet and motorcycle to Hogwarts, so... yes, the "electronics don't work around magic" trope is completely blown out of the water here.
(The idea that electronics don't work around magic assumes technology and magic are incompatible. Doug is, amongst other things, a technomage - he is a counter-example to that theory.)
--
Rob Kelk
"Governments have no right to question the loyalty of those who oppose
them. Adversaries remain citizens of the same state, common subjects of
the same sovereign, servants of the same law."
- Michael Ignatieff, addressing Stanford University in 2012
(The idea that electronics don't work around magic assumes technology and magic are incompatible. Doug is, amongst other things, a technomage - he is a counter-example to that theory.)
--
Rob Kelk
"Governments have no right to question the loyalty of those who oppose
them. Adversaries remain citizens of the same state, common subjects of
the same sovereign, servants of the same law."
- Michael Ignatieff, addressing Stanford University in 2012