The sensor was small enough for an N-gauge train, which translates to 1:148 scale ... based on the height of the bridge over it.

Modeling the small and delicate N scale can be intimidating, especially for beginners. However, with the right setup, you can ...

For those working in the N scale, there’s now an easy way of observing your project as the train driver would see it: [Vassily98] managed to squeeze a wireless camera into an N-scale railcar.