I was presenting the Skalextric Car Racing to many audiences including primary school students, secondary school students and uni students. The way the Skalextric Car Racing works is that electric signals from the brain are picked up from the headset, it then filters out noise from facial muscles and the environment, it then seperates different frequencies that indicate different mental states. The arduino circuit then uses the signal strength to change the speed of the racing car.
This was an amazing experience because it allowed me to try the other technologies that were on display as well as explaining what the skalextric car racing does to my audiences on that day.
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