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The Electronic Dice Kit is a simplistic and entertaining project which can be built by the novice kit builder in about 1 hour. Power to the circuit in through by a 4.5v to 5v DC power source and once powered up, simply press the Roll button (S1) and the dice will roll. After a few seconds, the display will show the value of your roll through a combination of the seven LEDs.

Power: Power to the circuit is through the power connector at J1 and requires 4.5v – 5v DC
Board Size: 7.6cm x 3.6cm


Principle of Circuits:
The circuit is consists of a pulse generator and a decimal counting circuit. The multivibrator is formed by NE555 and the associated components. After pressing S1, Q1 is on and PIN 3 of NE555 outputs pulses to the counter. Five output ends of CD4017 output the high level by turns. Seven LED light up and indicate 1-6 points with the results of the different combination between resistors and driver transistors.

Electronic Dice Kit

Kit Includes:

1 x Bare PC board ready for building

3 x 470 ohm 1/4 watt resistor (R8, R9, R10)
1 x 1K ohm 1/4 watt resistor (R7)
9 x 10K ohm resistor (R3, R4, R5, R6, R12, R13, R14, R15, R16)
1 x 3.3M ohm resistor (R2)
1 x 4.7M ohm resistor (R11)
1 x 10M ohm resistor (R1)

1 x .1uF disc capacitor (labelled 104P) (C2)
1 x 1uF / 50 electrolytic capacitor (C1)

7 x Red LEDs (D1 to D7)

1 x mini-pushbutton (S1)

3 x S8050 Transistor (labelled 8050) (Q2, Q4, Q5)
2 x S8550 Transistor (labelled 8550) (Q1, Q3)

1 x 16 pin IC Socket (U2)
1 x 8 pin IC Socket (U1)

1 x Power Connector (J1)

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Electronic Dice Kit

  • 1 Hour Assembly

  • Product Code: Electronic Dice
  • Availability: In Stock
  • $5.25 USD

  • 5 or more $5.00 USD

Tags: Dice, Electronic Dice, LED Dice