The module has such characteristics as strong driving ability, low calorific value and strong anti-interference ability. * Large capacity filter capacitance, afterflow protection diode, more stable and reliable. * Double H bridge drive. * Driver: L298N Dual H Bridge DC Motor Driver IC. * Driven part of the terminal supply area Vs: +5 V ~ +35 V; such as the need to take power within the board, the supply area Vs: +7 V ~ +35 V.