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Equipment/Holonyak: Difference between revisions
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Holonyak is a Raspberry Pi. Holonyak was named after [https://en.wikipedia.org/wiki/Nick_Holonyak Nick Holonyak] who invented the LED. | |||
==What it is== | |||
Scrolling LED ticker message boards. There's one upstairs on the wall in the general table area and another one downstairs in the metalwork room. | |||
They are driven by an arduino connected to ?Pi? boards and are controlled through the Hackspace IRC channel. | |||
Amazing hacker xxx and xxx set them up. | |||
==How to send a message to the LED ticker boards== | |||
* Connect to the [[IRC|#london-hack-space IRC]] channel | |||
* Type your message in the following format: <code>?board [your message] </code> | |||
Example: if my name on IRC is RedTomato and in the #london-hack-space IRC channel I type: | |||
<code>?board Do not be on fire</code> | |||
The Hackspace boards will display in scrolling mode: <blockquote>'''RedTomato Do not be on fire'''</blockquote> | |||
Holonyak is a Raspberry Pi. Holonyak was named after [https://en.wikipedia.org/wiki/Nick_Holonyak Nick Holonyak] who invented the red LED. | |||
It runs voice announcers and doorbell in the Ground Floor at Ujima House, and drives an LED sign. | It runs voice announcers and doorbell in the Ground Floor at Ujima House, and drives an LED sign. | ||
