Circuit board assembly for handball assembly and handball assembly with circuit board assembly

The utility model discloses a circuit board assembly for a handball assembly and the handball assembly with the circuit board assembly. The circuit board assembly includes: a first circuit board placed parallel to the top of the handball assembly and having a first surface facing the top of the handball assembly, i.e. Facing a first direction, and an opposing second surface; a second circuit board placed perpendicular to the first circuit board and placed in a negative direction of the first direction with respect to the first circuit board, and having a first surface facing a second direction perpendicular to the first direction, and an opposite second surface; and the electric connector is provided with a first main body which is electrically connected with the first circuit board and a second main body which is electrically connected with the second circuit board, and the first main body and the second main body are respectively provided with a first connecting part and a second connecting part which corre