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Overhead Alarm Clock | #Arduino #AlarmClock

Kurt Andro’s Overhead Alarm Clock is thoroughly documented (and that’s an understatement!), complete with credits, license, step-by-step photos and text, Bill of Materials, patterns, inserts, Fritzing files – and more! I wish all (or at least most) projects were documented this thoroughly – it really provides one with the ability to see how this project was built, and therefore make decisions about how you might alter or change the design for any reason (it’s also just really good documentation!).

  • The device is intended for use in living rooms, especially bedrooms.
  • It should not be exposed to increased humidity (such as in bathrooms), direct sunlight or mechanical loads such as bumps, etc.
  • There are no hazardous voltages in the housing. The Arduino is powered by USB cable.
  • The power bank at the other end of the USB cable is in turn supplied by a 5-volt switching power supply, which in turn in a socket (in Germany 230 volts / 50 hertz) inserted. Only this part carries mains voltage.
  • It must be ensured that both the power supply and the power bank remain free of dust and objects (blankets, stuffed animals, magazines, etc.) that could hinder their heat dissipation. Otherwise there is a risk of fire!

Read more here.

[via Make: Germany, and Kurt!]




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