Unusual offering (Borrego Springs)

Free .
.
.
Maybe use as art or ? See pictures.
LED lights on motherboard used for a SAM.
ALPHA and numeric ability with computer programs.
SAMs are road lights on trailers used to instruct drivers to slow down, caution, roadwork etc.
Works on DC POWER/12 VOLT.
Maybe used for science project? Or, artistic works or light up sign.