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 ...

Normally driving an LCD requires seven connections to pins on the display, but by using a shift register, [Phillip Warner] at Arduino Playground was able to drive an LCD using only 3 wires. The met… ...

Posted in Radio Hacks Tagged arduino, ham, lcd, signal visualizer, waterfall ← How To Build Your Own Pulsed Laser Pistol Scavenging Ambient Electromagnetic Energy → ...