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clumsy binary clock is a simple binary clock that counts hours, minutes and seconds, binary. Although it's a kit i'll sell, it is open source. Feel free to make your own.

There are two main revisions awailable.

• Revision A, "adapter powered" is for use with external power connection. One can use it as wall clock. Revision A kits come with power jack (5 x 2.1mm). A DC power supply with 7.5-15V and at least 300mA is needed.
• Revision B, "battery powered" is for use as battery powered Desktop clock. Mainly, the difference is that this clock turns lights off after 10 seconds and counts in background to safe battery power. Revision B kits come with 9V battery clip. Battery is not included.

It is possible to choose between green, red and yellow LEDs.

More details will follow