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Step 4Arduino script
The Arduino is the hardware heart of the project. The Arduino script is the unmodified serial_rgb_led_too script from Tod Kurt's Spooky Arduino. The script is loaded on the Arduino and needs no further attention.
Wire up your LEDs to pins 9,10, and 11 of the Arduino and the Ground pin using resistors appropriate for your LEDs. I recommend breadboarding first to make sure you have everything going to the correct pins and resistor values are correct. I used a single RGB LED from SparkFun.
Check your wiring by starting the Arduino software and opening the serial monitor. Enter #FF0000 and Red should light up, #00FF00 and green should become active, #0000FF and Blue lights. You can now set your PHP script to mix these colors in any way desired.
Wire up your LEDs to pins 9,10, and 11 of the Arduino and the Ground pin using resistors appropriate for your LEDs. I recommend breadboarding first to make sure you have everything going to the correct pins and resistor values are correct. I used a single RGB LED from SparkFun.
Check your wiring by starting the Arduino software and opening the serial monitor. Enter #FF0000 and Red should light up, #00FF00 and green should become active, #0000FF and Blue lights. You can now set your PHP script to mix these colors in any way desired.
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