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The EMD trains frequent this LEGO Train Forum now and then. Of course there is the EMD E8 Santa Fe Super Chief, but others like Tearloch already made EMD's as well! Today I want to present my finished EMD E9 model: A video demo can be found here: I connected an Arduino Pro Mini to the LEGO LiPo, I also connected the normal IR receiver to the LiPo and connected the Train motor to it. B.t.w. I ran out of gray wheels so unfortunately one gray wheel. I use the small PF remote to enable / disable the Mars light / gyrolite (depending on the brand ;)) and the orange blinker. The Arduino uses a custom LEGO PF Remote receiver sketch and a typical 940nm IR receiver. The left one shows the gyrating light (2 SMD LEDs), the blink light also has a small SMD LED connected to a simple (insulated) copper wire. A peek on the inside: The IR receivers are at the right, the small one sticks out a little bit, enough to receive IR signals.
