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Step 1: Gather Materials And Cut Out Your Heart (from cardboard)
~Four (4) red LEDs, any size/shape
~Four (4) small magnets
~Cardboard to cut the heart from
~A 9-volt battery & clip
~One (1) 330-ohm quarter watt, 5% tolerance resistor
~A soldering iron
Start out first by cutting out your two heart halves from the cardboard or other material you obtained. I just cut once by duct taping the two halves together and sketching a heart on one side.
Step 2: Add Your Message!
My message read "You Complete Me", pun very much intended. I grabbed some rubber cement and glued that sucker right onto the cardboard.
I positioned the LEDs four on each side to solder in a series circuit connected by the magnets later on.
Step 3: Wire it!
If anybody who knows more about electronics and could teach me how to better use battery power or use a better circuit, let me know via a comment or on my orangeboard. Thanks!