DIY Arduino Model Railroad Multiple Block Signal System

Welcome back everybody! Make sure that you subscribe so that you are eligible for the 5K giveaway! Today we are tackling something that a lot of you have been waiting for! The Arduino Multiblock Signal System! This is a full and expandable system for automatic 3 position signals for a model railroad. The system uses any arduino that can handle the proper inputs and outputs that are designated. How to enter the contest System Schematic https://