Simple Binary Clock for Arduino

Binary clock using Arduino.

If someone wants to make the circuit all it is is each LED is connected to a digital pin from 1-13, and 2 tact switches connected to analog 0 and 5. The LED numbers are the right most column bottom LED is LED 1 and counts up. The next column over would be LED 5 and counts up and so on.

here’s the code.
Via [HackThePlanetNow]
Tag Technorati: arduino, binary, clock,

Hard Drives Hacks: the HD Clock demistified

In this *Epic* Instructable many question that came out from a previous post are answered. Check also Ian Smith’s version of the same.

Introducing IllyClock – alarm clock in a coffee can

“The electronics is based on Wiseduino (Arduino clone with DS1307 real time clock on board), with a LED matrix shield sitting on top. The shield is built with 74HC595 shift registers that drive two bi-color (red, green, and orange by subtraction) 8×8 LED matrices.

The clock uses a rotary encoder with button as the only user input.

The functionality is simple and intuitive:

• time is shown as hour and minutes;
• clicking the button will show, using the symbol of a bell, the state of the alarm (enabled or disabled);
• double clicking the button will show the alarm time and allow the user to set the alarm hour and alarm minutes (toggle between the two by clicking the button); increment the numbers by rotating the knob;
• holding down the button will allow the user to set the time;

And here is an original feature: three hours before the alarm will sound, the time is shown in orange; one hour before the alarm will sound, the time is shown in red. So just by squinting at the clock, one can realize how much longer one can sleep.”

via TimeWithArduino

Arduino Hard Drive Clock by NatureTM

Crazi spinning HardDrive Clock from Hacked Gadgets Forum contributor NatureTm.
No code provided (yet?)

“The first interrupt just records the time that the slot reaches the sensor and sets the position to zero. [It actually sets the position to the offset value since the sensor isn’t at 12 o’clock and I like to think of 12 as pos 0.] Now I can tell how long a rotation takes and how long it has been since the last completed rotation.”
Via hackedgadgets (read the original forum post here).