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Train Signals 3-Lights Toy

Train Signals 3-Lights Toy

thingiverse

Needed hardware: Red,Yellow, Green LED 8mm 3 x resistors - use a calculator for right value, depend on LEDs 3 x 6x6mm micro-switches 2 x AAA battery plus contact 2 x AAA battery minus contact Wires Heat shrink tubing M3x10 screw 2 x M2x10 screw Under knob use a little bit of grease. Good luck :) LED layout is like this: https://www.amazon.com/JTD873GYR-Railroad-Signals-3-Lights-Green-Yellow-Red/dp/B07FGFH57F

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