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Lucky Rotary Suite Electronic Turntable CD4017 NE555 Self LED Light Kits Production Parts Module 3V 5V Pulse Generator DIY

$6.95 (AUD)

Lucky Rotary Suite Electronic Suite Turntable CD4017 NE555 Self LED Light Kits Production Parts Module 3V 5V Pulse Generator DIY

10 in stock

Qty Discount
2 + 5%
5 + 10%
SKU: TS-P376 Categories: , ,


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Lucky Rotary Suite Electronic Turntable CD4017 NE555 Self LED Light Kits Production Parts Module 3V 5V Pulse Generator DIY

 

Functional gameplay:

A lucky turntable is a tool that predicts precisely where the disc will stop when it is stopped. It can also be used as an estimate number game, electronic dice, lottery machine, etc. The lucky electronic turntable achieves the same function electronically. This kit configures 10 LEDs into a circle.

When the button is pressed, each LED rotates in turn; the flow speed is slower and slower, then stops at a certain one. The LED no longer moves. If the LED illuminated later is the same as predicted by the player, it means “winning”.

Circuit principle:

The circuit is mainly composed of a pulse generator and a decimal counter circuit. The pulse generator consists of a multi-vibrator composed of NE555 and peripheral components. When the button S1 is pressed, Q1 is turned on, and when the NE555’s three-pin outputs a pulse, the ten outputs of the CD4017 alternately output a high level to drive 10 LEDs to emit light.

After releasing the button, Q1 will not be cut off immediately due to capacitor C1.

As the voltage across C1 decreases, the conduction procedure of Q1 gradually weakens, the frequency of the output pulse of 3 pins becomes slower, and the frequency of LED movement also follows. Slow down. Finally, when the C1 discharge is over.

When Q1 is cut off, the NE555’s 3 feet no longer pulses, and the LED stops moving. A “winning” process was completed, and R2 determines the speed of LED movement, and C1 decides the time to wait for the “winning”.

Parts supplied 
  • 1.2k x 2
  • 470k x 2
  • 47uF 16v x 1
  • 1uF 16v x1
  • 103 cap x 1
  • red LED x 10
  • NE555P x 1
  • CD4017 x 1
  • 9014 x 1
  • Switch x 1
  • pcb

 

Development  Resources: demo codes, schematics, datasheets, etc

 

Notes:

1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different photographing light, angles and display monitors.

Weight 0.066 kg
Dimensions 10 × 7 × 1.1 cm

Product Applications

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Tempero Systems offers many custom IoT electronic design services to help tailor our product to your exact needs. Whether you are looking for custom firmware, circuit board modifications, metal enclosures, or industrial color printing, we can help you with a wide variety of design services.