Mar 9, 2009

Digital Dice Project

This particular electronic project on digital dice is usually an interesting task which will exhibit inside hit-or-miss the quantity via 1 to be able to 9 for the 7 portion exhibit. This is an alternate device you can use to interchange the original dice while you are playing games like snake steps, monopoly and so on. The electronic dice, throws up a random number from one to six each time the switch is pressed. It has no bias and can never roll on the floor and get lost. The project could be developed fairly easily into a double dice. You can also Subscribe to FINAL YEAR PROJECT'S by Email for more such Projects and Seminar.

What is Dice ?

A dice is a small object which has multiple landing positions and used for generating random number. Dice is mainly used in gambling and contests.

Digital Dice Circuit diagram

Recommended Project: Dice using 7 Segment Display

Working of the Project

1. Digital dice is a smarter way to play games such as snake ladder, monopoly etc than the traditional dice.
2. The generation of clock is done by using a 555 timer which is connected in the astable mode at a frequency of approximately 50 Hz.
3. This clock signal is fed into the decade counter outputs of which are connected to 4 bit binary adder which provides a binary output equivalent to binary input + 1.
4. The outputs are then connected to a BCD to 7 Segment Decoder which is used to drive a common anode 7 segment display.
5. As shown in the schematic above, when push button PB is pressed, a square output will be generated from the 555 timer which gives a frequency of approximately 50 Hz to the 7490 decade counter IC.
6. The frequency of the astable 555 timer is calculated by using the standard formula of the timer.
f = 1.44/(1K + 2*1K)(0.01uF) = 48 Hz


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