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stoplight_firmware
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README.markdown
explanation.jpg
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README.markdown

GitHub Spotlight Project

Spec

Connect the GitHub Spotlight to a microcontroller so it can be controlled by the GitHub continuous integration system.

Proposal

I intend to use the Black Widow Arduino to control three relays to turn on and off each of the stoplight's lights. The Black Widow comes with a built-in wifi antenna so I will be able to make it controllable via a web interface accessible via the local network.

Diagram of system architecture

The relays and arduino will fit inside the existing stoplight case.

In-case mockup

The only possible necessary modification will be to drill a hole for the power supply cord.

Budget

  • $75 Black Widow Arduino
  • $36 3x Sparkfun Relay Control w/ PCB ($12 ea.)
  • $5 9V wall wart for Arduino

Total: $116

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