Electronics gambling game

Electronics gambling game

Here is a circuit of very simple inexpensive and interesting electronics game called electronics gambling game. This is the interesting project in the series of electronics game project and can be designed by any having little knowledge about electronics.

Circuit description

The entire circuit is build and fabricated around CMOS IC CD4022 (CD4022). A touch plate is used as switch and connected to pin 14 and 15 through resistor R1 as shown in circuit diagram. When the player touch the touch plate the frequency of 50 Hz is obtained in this plate due to our body frequency which trigger the IC, which made all 8 LEDs glow. As the player remove their finger only one LED remain glow. The touch plate used in this circuit made as small as possible.


Resistors (all ¼-watt, ± 5% Carbon)

R1 = 10 MΩ

R2 = 470 Ω


IC1 = CD4022BE (octal counter / divider IC)


LED1 – LED8 = 8 LEDs

Touch plate

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