John Bradnam
Published © GPL3+

Matrix Slot Machine

An alien-themed slot machine powered by an ATtiny85 microprocessor. Odds and payouts emulate typical slot machines found in casinos.

IntermediateFull instructions provided8 hours425
Matrix Slot Machine

Things used in this project

Hardware components

ATtiny85
Microchip ATtiny85
×1
8x8 MAX7219 Matrix
×3
8 Digit 7 Segment display
×1
78M05 SOT223 5V Regulator
×1
12mm x 12mm Tactile Push Switch
×1
Buzzer
Buzzer
×1
0.1uF Capacitor 1206 SMD
×2
1K Resistor 1206 SMD
×1
10uF Capacitor 1206 SMD
×1
220uF 10V Tantalum Capacitor 7343 SMD
×1
8 Pin IC Socket
×1

Software apps and online services

Arduino IDE
Arduino IDE

Hand tools and fabrication machines

AVR ISP programmer
3D Printer (generic)
3D Printer (generic)

Story

Read more

Custom parts and enclosures

Case - Top

Case - Bottom

Schematics

Schematic

PCB

Eagle Files

Schematic and PCB layout in Eagle format

Code

Sketch.zip

C/C++
Unzip into your Arduino project folder
No preview (download only).

Credits

John Bradnam

John Bradnam

30 projects • 19 followers
Thanks to seawarrior181.

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