We attached everything to a plywood sheet, we attached the sheet to an old metal stand, we got all the help we needed from our awesome team members, students and interns.
Panaflex poster was printed with a simple background and header, attached to the board and then later digits were cut, panaflex was tightly held by stapler pins using a stapler gun.
Using BLUETOOTH SERIAL TERMINAL app https://play.google.com/store/apps/details?id=de.kai_morich.serial_bluetooth_terminal&hl=en&gl=US we can control the score, time and color using SIMPLE api methods
L# to add score to left, small letter l to decrease score, similarly for other digits we used the other alphabet codes
R for right side, M for minutes, S for seconds and T1 to stop and start the timer.
Added some bonus funtionality, timer turns RED on the last minute
X1, Y1 and Z1 commands change color to Red, Green and Blue.
in Future, we need to add FOUL indicator for both teams, quarter indicator and also a loud siren noise.