5Pcs NE555 + CD4017 LED Flash DIY Kit 3-5V Light LED Module

5Pcs NE555 + CD4017 LED Flash DIY Kit 3-5V Light LED Module

  • Model: mod0036
  • Units in Stock: 100

Price:   $9.99

4 reviews            
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    Product Description

    5Pcs NE555 + CD4017 LED Flash DIY Kit 3-5V Light LED Module

    Feature:

    Power supply voltage: 3-5V PCB Size: 88 x 25mm This kit is not included instruction.

    Principle:

    This kit is made up main circuit and decimal counter circuit, from the core of the self-excited NE555 multivibrator power through R2, R3, R4 charge the capacitor C1, C1 started when charging , NE555 2 feet still in low, so the output pin 3 goes high when power through R2, R3, R4 to charge C1 to 2/3 of the supply voltage , the output pin 3 level from high to low , NE555 conducting internal discharge , capacitor C1 through R4, R3, NE555 7 feet discharge until the voltage across C1 is less than 1 /3 of the supply voltage , NE555 and 3 feet level from low to high . C1 and charge again this cycle oscillations formed . Charging time : 0.95 (R2 + R3 + R4) C1, discharge time : 0.95 (R4 + R3) C1, R4 can be adjusted to control the output frequency of the oscillator , the oscillation clock signal is applied continuously NE555 CD4017 14 feet , the output terminal 10 is connected with the CD4017 10 LED, when the output terminal 10 turns CD4017 generated clock signal is applied at a high level , the D1 – D10 are sequentially lit to form a water -light effect . You can adjust the flow rate adjustment R4 LED lights .

    Note: This is a DIY kit, you need to assembly it. This kit is not included the instruction.


    Package included:

    5 x NE555 + CD4017 LED Flash DIY Kit

    Customer Reviews:

    Displaying 1 to 4 (of 4 reviews)

     
    by f***i
    Date Added: 05/09/2021
    Good quality and exactly as shown in the photo.

    Rating: 4 of 5 Stars [4 of 5 Stars]

    by B***h
    Date Added: 05/11/2021
    Good

    Rating: 4 of 5 Stars [4 of 5 Stars]

    by p***1
    Date Added: 05/11/2021
    Very nice

    Rating: 3 of 5 Stars [3 of 5 Stars]

    by e***a
    Date Added: 05/09/2021
    perfect, i love it

    Rating: 3 of 5 Stars [3 of 5 Stars]

    Displaying 1 to 4 (of 4 reviews)

     

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