Pick something small and write it. A firefox extension? An iphone app? A website that randomly picks toppings for nachos? Some task with an Arduino, since you a

Pick something small and write it. A firefox extension? An iphone app? A website that randomly picks toppings for nachos? Some task with an Arduino, since you are interested in hardware? Just work on it until you're satisfied with it, or come up with a better idea to hack on.