The line on the finished product header board is used for shipment testing. The friends do not receive the two sets of external connections.
When connecting, friends must pay attention to distinguish between positive and negative, otherwise they will burn the header.
Driver board size: empty board 38mm*38mm board thickness 1.6mm finished driver board: maximum thickness 12.5mm
The overall compact, single-piece design, loading a single head with a single, with a few heads with a few pieces.
The board is designed with adjustable resistors to adjust the appropriate pointer sensitivity based on its own input device.