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adding guitar to project list

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Peli de Halleux
2016-10-03 15:18:20 -07:00
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docs/projects/timing-gates.md
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# Timing gates
In ths project, we will build a timing gate, a system that can measure the speed of a car.
### ~avatar
### ~hint
This lesson explains the principles of timing gates using household materials. To build high performance gates,
you will need better sensors such as [Hall Effect sensors](https://en.wikipedia.org/wiki/Hall_effect_sensor).
This project explains the principles of timing gates using household materials.
### ~
## How does it work?
## Timing gates
The two gates are connected to the micro:bit and can detect a car passing through.