[Mario] can take his train ... the N-scale railroad (that’s really small stuff!). An Arduino with a motor shield drives the train around the loop. A reed sensor below a section of track provides ...

the track in N-scale layouts is 9 mm wide, meaning that the whole system had to fit in just 23 x 20 mm 2, the frontal area of a typical train car. One of the few cameras that fit within that ...

My HO scale Agawa ... for my 4 x 12-foot layout in 2001, then put the project on hold for nearly two years while I moved into ...

The grain industry might be doable in that size in N scale ... and team track, which might provide a half-hour’s operating fun, but you wouldn’t have anywhere for a train to go unless you ...