ITEM NAME:NE555 CD4017 Scrolling Flowing Red Light SMD DIY Kit Soldering Practice Kits@ Kw.Uses a NE555 as a oscillator to clock a CD4017 decade counter which then lights the LEDS. Think Knight Rider lights but only in one direction. Great for SMD soldering practice. 1 x NE555 CD4017 Scrolling Light SMD Soldering Practice Kit.
