Arduino Binary Alarm Clock

Step 2 What you need.

Parts:
For the display:
    - 11 LEDs
    - 11 1kΩ resistors ( don't need to be exact, anything between 300 and 2k should work (a lower value will give brighter light)
    - Perfboard (I used perfboard with separate solderpads for each hole)
For sound:
    - 1 Speaker (piezo or ordinary, if you use an ordinary speaker put a 1kΩ resistor in series with it)
For time and alarm setting:
    - 2 Buttons (Hour button and Minute button).
    - 1 Switch for changing between setting the time and setting the alarm.
    - A piece of thin plywood.
For the touch sensor:
    - Aluminum foil, or even better aluminum tape.
    - Tape or glue to attach the foil.
    - Paper in the same color as the box to hide the sensor
    - Glue for the paper.
    - 1MΩ resistor (you can play with this value a bit, depending on how thick your box is, a higher
       value gives a more sensitive sensor (it will also make it a bit slower).
For everything:
    - Hookup wire (solid core wire)
    - Electrical tape
    - Solder
    - A box to put everything in.

Tools:
- A soldering iron
- Wirecutter and wirestripper
- Drill, or something else to make holes in the case for buttons.
- Saw

Not a must, but good to have:
- A multimeter, for testing connections, etc.
- A solderless breadboard can be good to have to be able to test stuff easily.
- Header pins for connecting the wires to the arduino. I didn't have this and had some problems at first with getting good contact in the connections to the arduino at first, I solved it by securing the connections with tape.

Comments

[jolijar]

Where did you get that box from?

[njakol]

I got it when I bought a tie + napkin + cufflink kit. The little window was so you could see the color of the tie.