A little arduino sketch that leverages a wifly module to pull text from a url endpoint and send it to a thermal printer. Uses an arduino uno, a wifly shield, and a thermal printer.
- Arduino Uno - 30$ - https://www.sparkfun.com/products/11021
- WiFly Shield - 70$ - https://www.sparkfun.com/products/9954
- Thermal Printer - 50$ - https://www.sparkfun.com/products/10438
- Printer Power Supply - 6$ - https://www.sparkfun.com/products/8269
- Arduino Power Supply - 6$ - https://www.sparkfun.com/products/298
Also, a simple node app that uses redis to push and pop messages.