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This is a DIY digital table tennis scoreboard for indoor games. This is a smaller version of 6 digits scoreboard. All the modules of the scoreboard come fully assembled. You just have to find a way to fix it on a wooden board or make other arrangements to make it beautiful and usable for your sport.
- 2 players/teams Arduino Leonardo pro micro based digital scoreboard for table tennis
- The display size is 1.2″ (with 0.56″ for set win display)
- Works with SCORE6 app
- Send specific numbers to the displays using the SCORE6 app
- Bluetooth is the only communication medium between the Scoreboard and app
- Send scores to two Scoreboards simultaneously with the app
- The scoreboard does not reset even if the Bluetooth is disconnected.
- PCB dimensions: 188.82 mm* 66.04 mm
- Operating voltage: 5V
To build the Scoreboard we have combined three modules:
- SCOREDUINO with set win displays: This is the central module of the Scoreboard. This is an Arduino-based controller with two 2.3″ displays(for ‘set win’ count) supported by a Bluetooth module for communicating with the 2 digits displays placed on its two sides of the Scoreboard. Read about Scoreduino_B. With the Score6 app, you can send specific numbers to the right and left display and also to the middle ‘set win’ displays.
- The right display: The right display gets up and down count commands from the central controller. The commands can be sent by the SCORE6 app. Specific numbers can also be sent to the right display.
- The left display: The left display also gets up and down count commands from the central controller. The commands can be sent by the SCORE6 app. Specific numbers can also be sent to the left display.
- Bluetooth module: The scoreboard can be controlled with SCORE6 app and it communicates via Bluetooth.
1.2″ scoreboard works with 5V.
How does it work?
To understand this working principle of Scoreboard, you need to understand two modules:
- SCOREDUINO_B with set win displays: This is an Arduino based controller that sends up and down commands to up and down counters. The schematic of SCOREDUINO_B is here.
- Single-digit up and down counter module: We have described how 74LS192/CD40192 based up and down counter modules work. You need to combine two of the single-digit counters and connect them to SCOREDUINO_B. The schematic of single-digit counter is here.
You can also read about Scoreduino_A.
- Fully electronically assembled scoreboard