How Do Digital Slot Cars Work – Scalextric, SCX, and Carrera Digital 132/124 Slot Car Track Sets

Digital slot cars are a fascinating technology because of their distinctly different features and operation as compared to analog slot cars and track sets. The ability to operate more cars than track lanes, drive multiple cars independently on a single lane, lane changing, pit stop functions, and integrated lap counting take slot car racing to the next level. But, how does that work? The technology behind it, that is. This video details the technology behind the three digital slot car brands -- Carrera, Scalextric, and SCX.
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Resources and Photo Credits:
"Analysis and Comparison of Scalextric, SCX, and Carrera Digital Slot Car Systems: A Mechatronic Engineering Design Case Study"
Jonathan Scott, Neil Bradley, Carl Gaylard, Kirsten Nel, Matthew Seabright, Daniel Tritscher, Chris Song, Matthew Harrison, Mirae Kim, and Victor Li
The University of Waikato, School of Engineering, May 2014
https://core.ac.uk/download/pdf/29202...

Credit for waveform graphics
By Omegatron - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index...

Phase Shift Keying (PSK) Modulation
https://en.wikipedia.org/wiki/Phase-s...
Pulse Position Modulation (PPM)
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