Month: November 2016

Arduino Model Railroad Scale Speedometer – Finished

We finally finished the Scale Speedometer Project, and are heading off to the Charleston Area Model Railroad Club to install it. We used the Adafruit I2C 7 Segment backpack, a Arduino Nano clone, and two IR transceivers, for  total project cost of around $20. The code below is fully functional, all you need to do …

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Arduino Scale Speedometer Part 2 – 7 Segment LED’s

In part two (see part 1 for the train detection circuit) we are addressing the three 7 segment displays. We are using Common Anode displays, so we send a low to each segment to light them up. Use whatever you have available, and use the data sheet for your displays and map accordingly.    This …

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Arduino Model Railroading – Simulated Flickering Fire

Another cool exhibit on your model railroad is flickering firelight. Whether it’s a hobo campfire, or a burning building, this adds to the layout’s realism. An Arduino, 3 130 ohm resistors, two yellow LEDs, one red LED, and you have a fire. Add a locomotive smoke unit for additional realism. This project is provided by …

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