Complex sentence: Over a period of six years, in collaboration with Stanford colleague Roger Melen, he wrote a series of articles for "Popular Electronics" magazine describing original designs that could be built by the electronic hobbyist.
Split into simpler sentences: Over a period of six years, in collaboration with Stanford colleague Roger Melen, he wrote a series of articles for "Popular Electronics" magazine. These articles described original designs that could be built by the electronic hobbyist.