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Lowa posted a topic in LEGO Train TechThis is an early prototype of a 12V style button to control our track switch motors. The button has all the hardware it needs to control the motors, it just needs a 5V power supply (from a brick we're still working on). It has 2 LEDs to indicate the state of the button (the LED on the left is not positioned properly in the prototype and doesn't show in the video). The LEDs are in a hollow stud so you can customize the color by adding a transparent brick. There are 4 studs in between the LEDs so you can add a tile with a label to mark the button so you know what it controls. There are power connectors on the side of the buttons, so if you connect them side by side they can power each other. We're planning on making similar button for the traffic lights, decouplers, etc. For those of you who prefer not to use a computer or want to build a control panel in bricks, is this an approach that would work for you ?