The Word Clock display is made up of an array of 13x13 LEDs that are mounted on a cardboard cutout that fits snuggly into the front of the Clock Case. Remove the shield from the Arduino Board and Solder the 100 ohm resisters as per the circuit diagram and be careful to ensure that you have enough clearance when its plugged into the Arduino. Once you are sure they are in position solder the pins into the shield. Then push the header pins into the shield to position the pins in the correct holes as per the picture above. See the circuit section for further details.Īrduino Shields are boards that can be plugged on top of the Arduino PCB extending its capabilities.īuilding this simple shield enables you to connect the Arduino to the LED array, buttons, RTC and other components without having to solder directly to the board.Ĭut the header pins to size and push into the Arduino board in the correct position as per the Circuit Diagram. I tried to minimise the number of the components so went for an Arduino Mega to drive the LED array directly. The electronic components are included in the list above. The enclosure also needs to be able to be easily dismantled and the internal clock removed. Ideally you are looking for something that is a "shadow box" style enclosure which has a front aperture of at least 13cm x 13cm.
Look for funky looking clocks that have a glass front with a depth of at least 4cm. Most department stores will have a variety of low cost clocks that would be suitable.
The most important component for this project is a good enclosure. Happy Birthday, Carpe Diem, Good Morning or whatever you choose. What’s different about this Word Clock is that it is small enough to sit on a bedside desk, displays the recipients name and has personalised messages that appear at different times ie.
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