Ujjdwiurgh CD4017 Voice Control LED Water Light Kit Color Light DIY Electronic Kit Spectrum Fun Electronic Production Welding Training

Power supply voltage: 4-12V DC voltage, the higher the voltage, the brighter the LED be. Circuit board: thickness 1.5mm, length 64mm, width 26mm The circuit of this kit uses sound to control 10 LED flowing water, which can display the function of CD4017 very intuitively. It is a kit for learning counter, frequency divider, and color light controller. At the same time, the kit has a very good effect, very interesting and practical.