Novel circuit board structure of handheld stirrer

The utility model discloses a circuit board structure of a novel handheld stirrer, which comprises a PCB (printed circuit board), the head end of the PCB is clamped with the top of a stirrer shell, the middle position of the PCB is detachably connected with the stirrer shell through a limiting assembly, and the tail end of the PCB is detachably connected with a motor through a connecting piece; a potentiometer, a capacitor, a bidirectional trigger diode and a silicon controlled rectifier are arranged on the PCB, the potentiometer is connected with a speed regulation knob, the speed regulation knob is fixedly arranged at the top of the stirrer shell, the capacitor is electrically connected with the bidirectional trigger diode, the bidirectional trigger diode is electrically connected with a gate pole of the silicon controlled rectifier, and the motor is electrically connected with the silicon controlled rectifier. According to the device, a motor speed adjusting function is realized by using a small number of