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Published on Feb 29, 2012
Only the "minute hand" LEDs are installed. I have been working on the software and have programmed several "test patterns" that run when the clock is powered-up. I'm waiting for a shipment of LEDs from Hong Kong, so that I can build the "hour hand" LEDs.
I think that I will put an LED in the center of the clock and see if it makes it easier to visualize the hour- and minute-hands. I could blink it to show the seconds passing or leave it on solid.
Still to do:
1) I need to install an RTC (real-time clock) part that stores the time, for when the power goes out. The microprocessor will ask the RTC for the time and the RTC will respond. Right now, I can set the time from the desktop computer over a USB cable.
2) I am working with an IR (infrared) receiver that let's the microprocessor receive signals from a TV remote control ( not for the TV sitting adjacent to the clock :-P ) . I'm working on the software to let me set the time by pressing the number buttons on the remote.