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This is part of my projects on building an indoor (OO Scale) and outdoor (G-Scale) model railway.
This project creates automated LED traffic light signals using custom electronics (based around an Arduino) interfacing with a Raspberry Pi. This can be used in conjunction with the Raspberry Pi Model Railway Automation project and is also compatible with the G-Scale model railway traffic lights used in an earlier project.
This video shows the printed circuit board and Raspberry Pi automation to control the lineside train signal lights.
See my electronics pages for more details about how the circuit and PCB were designed using KiCAD.
The signal lights are created in FreeCAD. These are based around the same techniques used to create my traffic lights. The signal lights are approximately to G-Scale.
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Please view the copyright information regarding use of the circuits.