pburgess wrote:Strange that the flash is no longer happening. The most likely culprit in that case is the wiring coming loose. Look over all your connections, and if everything appears OK, then it might be helpful to run some tests on the Arduino and LEDs without involving Processing (one less "moving part" to break).
The 12mm LED Pixel tutorial includes some simple test code for Arduino. Try working with that, and the outcome will determine which step should be taken next...
sebeck1 wrote:I made breadboard connections today and even matched up the correct wire colors. I crimped, soldered, shrink wrapped and continuity tested each one of them. I wired everything up and never got even the slightest light from any of the peimar led lights. I have 5v on each end of the light strand. The Arduino seems to respond to everything I upload to it. The TX and RX lights blink etc. Just no lights on the strand. Here are some photos I took of my wiring etc.
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