ITEM NAME:NE555 CD4017 Scrolling Flowing Red Light SLJ DIY Kit Soldering Practice LJ Description： 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. This is a kit so requires self assembly. Tools required are a soldering iron, solder and wire snips. The kit comes complete with a potentiometer to control the speed of scrolling. Input voltage: 2.5V - 12V DC. Package including： 1 x NE555 CD4017 Scrolling Light SMD Soldering Practice Kit.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.
