As explained by Arduino to Go, each color band on the resistor corresponds to a number but this can differ depending on the band's placement.It's not complicated, but the sheer number of colors ...

Here’s the color code chart from the 1941 Radio Today yearbook: Ads in that magazine promoting resistors were careful to note that they were RMA color-coded. The code soon extended to capacitors ...

You can add a bit of luxury to your aquarium or flower vase using this digital color wand! Here, D11-D10-D9 pins of Arduino is used to drive the Red, Green, Blue Anodes of the common-cathode RGB LED ...