30 Oct '14, 5am

Bluetooth-Enabled Danger Sign for Lab

Bluetooth-Enabled Danger Sign for Lab

[A Raymond] had some free time at work, and decided to spend it on creating a wireless warning sign . According to his blog profile, he is a PhD student in Applied Physics. His lab utilizes a high-powered laser system. His job is to use said system, but only after it’s brought online by faculty scientists. The status of the laser system is changed by a manual switchbox that controls the warning signs wired around the lab entrances. Unfortunately, if you were in the upstairs office, you only knew this after running downstairs to check. [A Raymond's] admitted laziness finally got the better of him – he wanted a sign that displayed the laser’s status from the comfort of the office. He had an old sign he could use, but he wanted a way for it to communicate with the switchbox downstairs. After some thought, he decided Bluetooth was the way to go, using a pair of BlueSMiRF Bluet...

Full article: http://hackaday.com/2014/10/29/bluetooth-enabled-danger-s...

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