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A TeamCity monitoring tool that uses a Delcom USB LED light to notify your teams
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A TeamCity monitoring tool that uses a Delcom USB LED light to notify your teams



  • Support for configuring the RGB values, flash mode and power level of the LED.
  • Support for including all TeamCity projects under a certain project node, including more advanced filtering rules.
  • Deployment as a Windows Service.

How to install

The easiest deployment mechanism is to install Chocolatey and run the following command-line to install the Chocolate package:

choco install beacon

Then run beacon and observe the command-line arguments.

Example usage

Using a named TeamCity account and running continuously:

beacon --url= --username=username --password=password --builds=build_id_1 build_id_2 etc

Or, alternatively using TeamCity guest access, running only once and with verbose logging:

beacon --url= --guestaccess --runonce --verbose --builds=build_id_1 build_id_2 etc

Why another

My original idea was triggered by TeamFlash, a prototype implementation made by Readify. Unfortunately, the quality of that code was way below anything I can work with, so I planned to contribute a big list of improvements as well as more configuration options. However, it took me several emails, tweets and DMs and a month of patience just to get a single pull request accepted. So I see no point in working with a fork. Instead, I decided to take their code as a starting point and revive the product.

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