Lego trail rail crossing automated by Arduino: How It Works. This video explains the functionality of the automated Lego train rail crossing.

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This video shows a double rail crossing which is automated by Arduino. Two sensors indicate whether a train that has priority is apporaching the crossing. In this case, the tracks of the non-priorrity lego train tracks are disabled and the Lego train signals are put to red. As long as the train enables the sensor, the non-priority lego train tracks remain disabled. Once the priority lego train has passed the sensor, an adjustable timer is started, to disable the tracks a bit longer to make sure the priority Lego train has cleared the Lego rail crossing. After that the signals are put to green and the non-priority tracks are started using PWM technology.

Download link PCB schematic:
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Download link Arduino sketch:
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Like this kind of stuff? Check out some of my most awesome projects:

Fully automated Lego train coal terminal: [ Ссылка ]
25.000 Brick Lego train station: [ Ссылка ]
Automated Lego train level crossing with the Terminator: [ Ссылка ]
Huge Lego train layout (my biggest so far): [ Ссылка ]
Random controlled Lego trains: [ Ссылка ]
Automated Lego train rail crossing: [ Ссылка ]

All the equipment I use: [ Ссылка ]

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The AlmightyArjen Youtube channel is about Lego train related videos. I sometimes automate Lego trains, or make a stop motion video or I just setup a huge Lego train layout in the living room. Do you have (reasonable) video suggestions? Please let me know!

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