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Train Signals 3-Lights Toy

Train Signals 3-Lights Toy

thingiverse

Needed components: Red, Yellow, and Green 8mm LED lights Three resistors - calculate the exact value based on the LEDs used Three 6x6mm micro-switches Two AAA battery positive contacts Two AAA battery negative contacts Wires Heat shrink tubing M3 x 10 screws Two M2 x 10 screws Apply a small amount of grease under the knob. Good luck!

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