Arduino for Lego Trains #3: Motorized Track Switches

[patje]

Arduino for Lego Trains #3: Motorized Track Switches

https://youtu.be/h-5FmGfYzRs

This tutorial explains how to switch your Lego 9V points using an old Lego Technic motor and an Arduino.

Code explains State Change / Edge Detection, as well as using counters.

Features Lego train set 4564.

PARTS LIST:

1x2 plate (2)
1x3 plate (1)
1x4 plate (2)
1x6 plate (1)
1x8 plate (2)
2x2 corner plate (1)
2x2 plate (1)
2x3 plate (2)
2x4 plate (2)
2x6 plate (1)
1x2 brick (1)
1x2 slope (1)
2x3 slope (1)
1x4 Technic brick (1)
1x6 Technic brick (1)
1x2 tile (1)
Technic axle 6 (1)
Technic axle 7 or 8 (1)
Technic rack (1)
Technic gear - 8 tooth (2)
Technic gear - 16 tooth (1)
Technic gear - 24 tooth (1)
Technic gear - clutch (1)
Technic bush (2)
Technic 9V motor

Arduino Lego Trains