Check the price of copper with Money Metals Exchange's interactive live and historical chart. The chart below allows you to check copper spot prices dating back 20 years up to the current date. Copper ...
// Change these values to generate different patterns in the copper list unsigned char r = (sin(frequencyr*i + phase1) * width + center) + 0.5; unsigned char g = (sin(frequencyg*i + phase2) * width + ...