Adam Sampson's communications bookmarkshttps://bookmarks.offog.org/ats/communicationsAdam Sampson2010-04-05T12:20:36ZDistant Writinghttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fdistantwriting.co.uk%2Fdefault.aspx2010-04-05T12:20:36ZThe early history of the telegraph in Britain. Impressively detailed.Howeth: Table of Contents (1963)https://bookmarks.offog.org/edit?url=http%3A%2F%2Fearlyradiohistory.us%2F1963hw.htm2009-12-10T08:48:52ZHistory of US Navy communications.MERL – TR2003-035 – Very Low-Cost Sensing and Communication Using Bidirectional LEDshttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fwww.merl.com%2Fpublications%2FTR2003-035%2F2006-02-22T00:36:40ZThis is very cool -- how to use LEDs as photodiodes, which means that you can treat an LED as a short-distance IO port. Tagged research because there are obvious robotics applications...