RGB LED Color Mixer

2⁴ × 2⁴ × 2⁴ = 4096 Shades! Using counters and some glue logic you can make a LED show various colors. Each counter holds 4 bits, and there are 8 possible colors. First counter is responsible for the ÷4 clock division, the divided clock is given to a second counter which does the clock gating of the main clock and serves it to each DACs in a sequential fashion.. The DACs are selected in the following pattern: +-------------------------------------------------------------+ | Sr. | DAC-2 | DAC-1 | DAC-0 | Color | +-------------------------------------------------------------+ 0 0 0 0 Black 1 0 0 1 Red 2 0 1 0 Green 3 0 1 1 Yellow 4 1 0 0 Blue 5 1 0 1 Magenta 6 1 1 0 Cyan 7 1 1 1 White +-------------------------------------------------------------+

published 2 years ago