SODIAL(R) Electronic Dice Kits Suite LED Circuit Kits Stable 4.5-5V Red LED Lights Gadgets

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SODIAL(R) Electronic Dice Kits Suite LED Circuit Kits Stable 4.5-5V Red LED Lights Gadgets
Kit parameters:
Supply voltage: 4.5-5V
Dimensions: 74x35mm
Function play:
When a power-up, 7 LED will randomly display a number of points,
players press the switch S1,7 all lit LED only after about 7 seconds LED light starts blinking,
until finally showed stable points. Throughout the end of the first “crap” process.
Package includes:
1 x Electronic Dice Kit
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

Make sure this fits by entering your model number.
Circuit mainly by the pulse generator and a decade counter circuit.
Pulse generator and external elements by NE555 multivibrator, when you press
the button S1 when Q1 turns on, the output pulse NE555 3 feet, then five turns the
output CD4017 output high, resistors and transistors by different combination,
can drive seven LED light to indicate the number of points 1-6 points.
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