Gear box PCB circuit board waterproof construction

The utility model belongs to the technical field of the waterproof technique of circuit and specifically relates to a gear box PCB circuit board waterproof construction. A gear box PCB circuit board waterproof construction, this gear box of has the motor, and the input of motor is equipped with the motor support, installs PCB circuit board between motor support and the motor, install hall element IC on the PCB circuit board, this hall element IC has the three end of drawing forth, draw forth the anodal VCC of termination power for one, draw forth the termination power negative pole for one, in addition draw forth the end for hall element's output vout for one, this output vout and singlechip MCU's IO pin connection, be connected with resistance R1 between hall element's output vout and the positive VCC, be connected with filter capacitance C1 between hall element's output vout and the power negative pole. The utility model discloses an increase the design of electron jam -proof on PCB circuit board for the su