The recent delay in the high-profile new product launch of the Raspberry Pi has reminded electronics manufacturers of a simple truth: Compliance sometimes means exceeding regulatory requirements due to buyer demands.

The iPhone-size Pi is a $25 mini PC that is intended to teach students about programming.  Its maker, the UK-based Raspberry Pi Foundation, had been operating under the assumption that this type of engineering sample product could be sold in the UK without a CE mark.  After all, the rival ARM-based Beagleboard development kit is sold under the same terms without a CE mark, as are the majority of similar prototyping platforms.

The rub here is that the Pi has proved wildly popular, making its distributors nervous about lawsuits.  Distribution partners element14/PremierFarnell and RS Components insisted that the device receive a CE mark to indicate compliance with electronic emissions guidelines.  Their judgment was seconded by the UK Department for Business, Innovation and Skills (BIS), which said the Pi did in fact need to carry the CE marking.

Last week, to everyone’s relief, the Pi passed EMC testing without requiring any hardware modifications.  The testing was conducted at Panasonic’s facility in South Wales.

The device passed radiated and conducted emissions and immunity tests in a variety of configurations, as well as electrostatic discharge (ESD) testing.  In the lab for all of last week, the Pi is now also reportedly compliant with requirements for United States’ FCC, Australia’s C-Tick, and Canada’s Technical Acceptance Certificate.

Find out more about testing requirements and cost and lead time for CE Marking.