Scoreduino-B Arduino based controller for digital scoreboards

Watch the video of Scoreduino-B

SCOREDUINO-B works with SCORE4 module of Scoreduino app.

The SCOREDUINO-B’ module works as a basic controller for 2.3″, 3″, 4″, and 5″- 4 digits (2 on each side) scoreboards. It has 4 switches for up and down commands for each set of 2 displays.

Other features:

How does it work?

SCOREDUINO-B is designed to work with 2 sets of 2 digits up-down counter. This controller module fits into the female headers of the 2 digits counters on each side. It works with the SCORE4 app. Users can send specific numbers to each set of displays. The communication medium is either Bluetooth or RF or manual control.

An example:

When a user sends 15 to one of the displays, the Scoreduino-B sends up count pulses 15 times to count from 1 to 15, and finally, it stops at 15. All the up-down counters and scoreboards have been designed in that way.

These are the pins on the Scoreduino-B board:

On the left side:

  • 9V: This is to power up RED colored 2.3″ displays. We get this voltage from the voltage regulator LM78XX.
  • 5V: 5V is used for CD4511 and 74LS192 on the left side
  • GND: GND of Scoreduino-B connects with the GND of 2 digits up/down counter
  • A: Send pulse from Scoreduino-B via this pin in order to count UP
  • B: Send pulse from Scoreduino-B via this pin in order to count down
  • 14: Reset pin. Send pulse to reset the count.

On the right side:

  • V: V depends upon the color of the displays used on the right side. For example, GREEN colored 2.3″ display needs 12V. This is the default supply voltage.
  • 5V: 5V is used for CD4511 and 74LS192 on the right side
  • GND: GND of Scoreduino-B connects with the GND of 2 digits up/down counter
  • C: Send pulse from Scoreduino-B via this pin in order to count UP
  • D: Send pulse from Scoreduino-B via this pin in order to count down
  • 14: Reset pin. Send pulse to reset the count.

Components used:

  1. 1 x PCB
  2. 6 x 6 pin male header angle
  3. 1 x 6 pin male header for programming
  4. 1 x 9 pin female header- to be changed in the next version to make it 4CH only.
  5. 5 x tactile switches
  6. 2 x heat sink set
  7. 1 x LM7805
  8. 1 x LM7809
  9. 2 x 22pF capacitor
  10. 1 x 16Mhz oscillator
  11. 3 x 10uF
  12. 2 x PC817
  13. 5 x 10K
  14. 5 x 1K
  15. 3 x 5mm LED (RED Green and BLUE)
  16. 1 x 1P DIP switch
  17. 1 x buzzer
  18. 1 x DC barrel
  19. 1 x resettable fuse
  20. 1 x Bluetooth module
  21. 1 x 16 pin DIL socket
  22. 1 x 28 pin DIL socket
  23. 1 x Atmega328P
  24. 1 x CD4049

See all the images on Flickr

The Schematic:

This is how we use Scoreduino-B:

  1. 2.3 inch scoreboard.      Watch it on youtube
  2. 3 inch scoreboard.         Watch it on youtube
  3. 4 inch scoreboard.         Watch it on youtube
  4. 5 inch scoreboard

It works with SCORE4 module of Scoreduino app.

See all the images on Flickr

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