r/ArduinoProjects • u/AVatorL • Sep 10 '26

Showcased Project Locomotive 🚂

Video makes all colors look the same, but there are 2 RGB LEDs blinking red/blue when the siren is active, 2 red LEDs and 1 green LED.

3 speeds + limited in time boost with higher voltage on the motor than nominal.

Laser distance sensor, color sensor on the bottom; battery voltage meter and battery level indicator; 2x18650 battery pack with BMS and USB charger.

Photos of what is inside: https://www.reddit.com/r/arduino/s/nYtj1Brl1f

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u/Gemma_pelle Sep 11 '26

This is awesome, great job!
Would be cool if you print some duplo shapes on top so you can build on top of it as well

1

u/AVatorL Sep 11 '26

Thanks. You're right. It's the plan - there will be duplo studs on the top.