N scale track and locomotive mechanisms can be used in HO scale to model 30" narrow gauge railroads, also called HOn2½. But HOn3 track and trains are available for those who want to model a 36 ...
[kodera2t] discovered the VL53L0X Time of Flight sensor and thought it would make a great way to control the operation of a model train without touching it. He explains it in his own words in the ...