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# Ruby/SerialPort
[](https://github.com/larskanis/ruby-serialport/actions/workflows/ci.yml)
## Description
Ruby/SerialPort is a Ruby library that provides a class for using RS-232 serial ports. This class also contains low-level functions to check and set the current state of the signals on the line.
There is an alternative gem with MRI, JRuby, and Rubinius support. See below.
## Installation
Install the gem as normal: `sudo gem install serialport`
## Testing
Use Ruby's version of miniterm: `ruby test/miniterm.rb`
## API
See <http://rubydoc.info/gems/serialport/SerialPort> or run `yard`
## Issues
See <https://github.com/hparra/ruby-serialport/issues>
## Alternatives
The [Hybrid Group](http://hybridgroup.com/)'s MRI, JRuby, & Rubinius compatible [rubyserial](https://github.com/hybridgroup/rubyserial) gem may provide improved compatibilty in modern environments.
## License
GPL
## Authors
* Guillaume Pierronnet <moumar@netcourrier.com>
* Alan Stern <stern@rowland.harvard.edu>
* Tobin Richard <tobin.richard@gmail.com>
* Hector Parra <hector@hectorparra.com>
* Ryan C. Payne <rpayne-oss@bullittsystems.com>
* Lars Kanis <lars@greiz-reinsdorf.de>
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