1 Set DIY LED Electronic Kit CD4017+NE555 Flash Light for Create Dynamic Billboards Or Decorative Ambient Lighting

Key features

• Power supply voltage: DC 12V, control panel: 60.7x37mm, LED light panel: 35x26mm.
• This kit consists of a control board A and three light boards Blight board colors are red, blue, white. After power on, the redand blue light boards flash twice each successively, and then thewhite light board flashes once, so alternating cycle. Mastery of the principles of this kit, you can make a running billboard or decorative ambient light.
• Circuit by the NE555 circuit, CD4017 circuit and LED light circuit consists of NE555 part of the circuit to generate a square wave signal pulse from the 555 chip 3-pinoutput, the output frequency of the pulse by R2, R3, R4 and C1 to determine the output of the pulse to the pulse input part of the CD4017 circuit.
• each produce a pulse, the output of the CD4017 will be in order from the Q0 -Q7 Move the output high level to drive the transistor conduction, the corresponding light board will be on.
• Product include a total of 1Set DIY LED Electronic Kit, which can completely meet your daily use needs and replacement.

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