Asynchronous software design has always been tricky since it goes against our natural sequential thought process using basic constructs like if-then-else, do-while, wait-for-signal, etc. Different languages have their own attempts to tame this…

Let’s take a ride on this G-scale hobby train named Hierarki shuttling between the Upper Garden and Lower Garden stations. It is battery-powered and controlled by an onboard STM32L4S5 discovery board. Apart from…

This G-scale 3D-printed hobby train is equipped with two 320×240 LCD modules, one on each side of the powered unit. They display itinerary information as well as a scrolling banner for some self-promotion!…

Have you noticed quite a few terms we use in development projects are related to trains? If things didn’t go well, software might crash, projects might get off track or even derailed. On…

I like model-based software design, and I love model trains. Why not combine them together? I’ve designed and built this functional G-Scale model train for my hobby projects. It is fully modeled with…