DIY Electronic LED Wheel of Fortune Kit

DIY Electronic LED Wheel of Fortune Kit

  • Model: mod0052
  • Units in Stock: 100

Price:   $5.99

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    Product Description

    DIY Electronic LED Wheel of Fortune Kit

    Feature:

    Kit Model: HY-09 Supply voltage: 3-5V Dimensions: 58 * 58mm

    Circuit principle:

    Circuit mainly by a pulse generator, and a decade counter circuit.

    Pulse generator composed multivibrator by NE555 and peripheral components, when pressing the button S1, Q1 turns on, the NE555 3 feet output pulse, then CD4017's 10 output terminal turns to output high level drive 10 LED light. After the button is released, due to the presence of capacitor C1, Q1 is not immediately turned off, with the decline of the voltage across C1, Q1 conduction program gradually weakened, 3-pin output pulse frequency slows, LED movement frequency also will slow. Finally, when the C1 discharge finish. Q1 is turned off, NE555 3 feet no longer output pulse, LED stop moving. A "lottery" process is complete. R2 decisions LED moving speed, C1 decided to wait "lottery" time.


    Package includes:

    1 x DIY Electronic LED Wheel of Fortune Kit


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