andres-garcia-alves / electronics-dice

Arduino & PIC16F84A code for an electronic dice.

Electronic-Dice

Arduino & PIC16F84A source code & building details for an electronic dice (with animations).

Available animations:

• #01: corner leds followed by the central one
• #02: perimeter leds followed by the central one
• #03: loop row-by-row from upper to bottom
• #04: bounce row-by-row from upper to bottom
• #05: go one-by-one over leds perimeter
• #06: a dot going in horizontal lines
• #07: a dot going in vertical lines
• #08: a dot going in zig-zag
• #09: loop of horizontal and vertical lines
• #10: a dot going in vertical lines followed by horizontal ones
• #11: random dots
• #12: random dots fill
• #13: random dot fill & random dot empty

 

This project use the following electronic components:

• 1 x Arduino UNO / Nano v3
• 1 x push-button
• 1 x switch-button
• 7 x red LEDs
• 7 x 330 ohm resistors
• 1 x ON/OFF button
• 1 x blue LED
• 1 x 10k ohm resistor
• 1 x experimental board (single face) 6x8cm
• 1 x experimental board (double face) 6x8cm
• 1 x 9v battery
• 1 x small plastic box
• 10 x short female wires
• 20 x male 90 degrees pins

The circuit:

• Dice button attached to pin 2
• Switch button attached to pin 3 (enable/disable animations)
• Red LEDs attached to pins 4-10 (see code comments for details)

Pinout:

  *(A)        *(B)

  *(C)  *(D)  *(E)

  *(F)        *(G)

• D02 -> input with button interrupt
• D03 -> input with switch
• D04 -> output to bottom-right led (G)
• D05 -> output to middle-right led (E)
• D06 -> output to upper-right led (B)
• D07 -> output to middle-center led (D)
• D08 -> output to bottom-left led (F)
• D09 -> output to middle-left led (C)
• D10 -> output to upper-left led (A)

 

Screenshots

Diagram A	Diagram B

Prototype	Prototype

Building	Building

Building	Building

Project Final	Project Final (YouTube video)

See 'Rescources' sub-folder for more pictures & videos of the project.

 

Version History

v1.0 (2022.02.23) - Initial release.
v1.1 (2022.02.24) - Adding ON/OFF animations switch. Fixed bug with random secuences (randomSeed).
v1.2 (2022.02.27) - Re-arrange LEDs pin-out to simplify PCB.
v1.3 (2022.03.09) - Animations improvement using ROM tables: lines count 622->342, compiled total size 6031->4867 bytes (20% reduction).
v1.4 (2022.03.10) - Dice number improvement using masked bits: lines count 342->296, compiled total size 4867->4777 bytes (2% reduction).

 

This source code is licensed under GPL v3.0
Please send me your feedback about this project: [e-mail]