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| Run one wire (red) to the 5V socket on the Arduino. Run the other wire (black) to one of the GND sockets on the Arduino. |
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| instead of connecting the resistor to +5V power, we'll connect it to ground. (nothing happens. no power source and the current isn't flowing) |
running blink sketch
running on a different pin (pin12 instead of 13 like orignal)
adding more LEDs to the party
blinking on differently
both LEDs are on for 500 ms, then only the red LED is on for 500 ms, then both LEDs are off, and finally only the green LED is on for 500 ms
added blue pin back in and they're all playing nice and blinking together
Colored light Violet, turquoise, and yellow
color changing light - red, yellow, green, turquoise, blue, violet, and back to red
disco!
(made a paper box to help see the changing colors...it sort of works)
:) Erica
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