Hard disk drive clock with Arduino Uno

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ACVoltage  wrote this instructable detailing his DIY POV clock using hard disk drive and Arduino Uno:

This is a fun project that can be done easily and also cheaply. In this instructable we will explain step by step how to make this beautiful POV clock.
Used material:
-Arduino Uno,
-Tiny RTC modul,
-ULN 2003,
-IR diode and IR transistor (used like a sensor, more details in next steps)
-4 pushbuttons (for controling the clock)
-TSOP4838 (allows us to control the clock with remote controler)
-Temperature sensor (DS18B20)
-RGB led strip
-Connectors,
-Paper,
-And of course and old hard disk with working motor.

Check out the video after the break.

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