The asign golang library parses a simple template language for creating Alpha sign communication protocol packets. This allows you to control Alpha LED Signs such as the BetaBrite.
Example application LEDSaid - https://github.com/tonymagro/ledsaid
{SOT}{STX}{WriteText}{A}{Flash}{Red}Hello {Green}World!{ETX}{EOT}
{SOT}
{STX}
{WriteText}{A}
{Rotate}{Green}Here is some text for {RollUp}file label {Red}A
{ETX}
{STX}
{WriteText}{B}
{Spray}{Orange}Here is some text for {Snow}file label {Rainbow1}B
{ETX}
{EOT}