Hardware Reference
In-Depth Information
The Weasley weather clock is one that displays the current outdoor temperature and the
forecast. It also warns us about impending dangers due to condiions such as tornadoes,
blizzards, and so on.
A Weasley weather clock built using the Arduino and the Raspberry Pi
Prepare for lift off
The following items (along with their approximate cost) are required to build our
Weasley clock:
Item
Price
Raspberry Pi model B * 1
US$ 35
Arduino Uno/Raspberry Pi AlaMode mode (
http://wyolum.com/
projects/alamode/
) *1
US$ 30/45
Acrylic Sheet 24 inchesx20 inches*0.093 inch thick *1
US$ 10
Wood sheet 1ftx 1/2ftx0.25 inch thick *1
US$5
5V DC Stepper motor from Adafruit *1 (
http://www.adafruit.com/
US$ 5
RGB LED Strip 1 m *1 (analog ones (
http://www.adafruit.com/
US$ 15
NPN transistors *2 (BC547 or NP2222)
US$1
Power Darlington Stepper Driver (ULN2003A)
US$2
Cables for connection
US$4
