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A Binary Clock! I was recently looking at some binary clocks and I felt like Why not? I have everything to make one and I don't have a clock in my ro...
for this project you will need the following things; Materials/components; cardbord/wood box(you choose the size) DC WallWart 5V out at lea...
The easiest and simplest enclosure is a cardboard box, you could also use a nicer plastic or wooden box, it's up to you. Select your box, remove the b...
You need a 4x4 grid, but don't make holes just yet, as you won't fill it all the way. in a cardboard box, I four it's easier to just make some small h...
Place your 13 LEDs in your 4x4 grid as shown in the image above. from the inside, Bend all the Leads and place a drop of hot melt glue on top of each ...
connect together all the POSITIVE leads (the longer ones) from each LED.
Add one wire to each LED's NEGATIVE lead. instead of the positive lead, connect the NEGATIVE ones, contrary to the diagram above. Remember, all the PO...
simply add one resistor to each wire going to each LEDs leads and connect them to the corresponding arduino pins, then connect a pushbutton to Arduino...
I added the 2 time setting pushbuttons on the PCB, all the 13 resistors and the reset pushbutton. place your crystal, remember, the frequency is not ...
Download the firmware below, there are 2 files, one for 24 hour mode and one for 12 hour mode. At this point it should be (almost) fully assembled, ...
at this point, your clock should be allready tested and working, because, after this step, you won't be able to make any soldering or other kind of re...
for the power supply I used an old WallWart I had lying around that outputs 5 volts regulated DC, I also made a power extension (for the 5v side) beca...
the secret lays in understanding how it works, it's really simple! It is a binary clock, it's a bit harder to read but that makes it cooler, you'll g...
Finally, place it on the wall and enjoy! remember to set the correct time. also remember that, if the power goes out, the current time will be lost.
- add an RTC (Real Time Clock) so it doesn't loos the time every time it is unplugged. - add a day of the week function. - add an alarm function th...
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Sep 8, 2011
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