Using L298N made by ST company as the control chip, the module has such characteristics as strong driving ability, low1.Double H bridge drive 2.Chip: L298N 3.Logical voltage: 5V 4.Drive voltage: 5V-35V 5.Logical current: 0mA-36mA 6.Drive current: 2A(MAX single bridge) 7.Max power: 25W 8.Size:43 x 43 x 26mm 9.Net weight: 26g Note: *This module has a built-in 5v power supply, when the driving voltage is 7v-35v, this supply is suitable for power supply *DO NOT input voltage to +5v supply interface, however ledding out 5v for external use is available. *When ENA enable IN1 IN2 control OUT1 OUT2 *When ENB enable IN3 IN4 control OUT3 OUT4 calorific value and strong anti-interference ability.