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[Andrea] built this LED chaser using one logic chip. It illuminates all but one of the six LEDs, with the dim bit moving back and forth along the row in a chase sequence. This is something like an inverse Larson Scanner without the fading tail. But doing it with a logic chip instead of a [...]

Tags:  logic chaser chip andrea larson-scanner logic-chip leds classic hacks  

Our own [Mike Szczys] recently sat down and put together a great tutorial on building a Larson Scanner. The ubiquitous circuit is usually one of the first few projects on a budding hackers list of things to build, since they are just so darn fun. Simple versions of the scanner sweep back and forth lighting [...]

Tags:  circuit tutorial detailed michael-knight larson-scanner mike-szczys larson scanner led hacks