Information: http://pan.baidu.com/s/1c0tgyC4

Features:

★ This module uses ST's L298N as the main driving chip, which has the characteristics of strong driving ability, low heat generation and strong anti-interference ability.

★ This module can use the built-in 78M05 to take power through the drive power supply part, but in order to avoid damage to the voltage regulator chip, when using a drive voltage greater than 12V, please use an external 5V logic power supply.

★ This module uses large-capacity filter capacitors and freewheeling protection diodes, which can improve reliability.

L298N is a high voltage, high current motor driver chip produced by ST Company. The chip uses a 15-pin package. The main features are: high working voltage, maximum working voltage up to 46V; large output current, instantaneous peak current up to 3A, continuous working current 2A; rated power 25W. The high-voltage and high-current full-bridge driver with two H-bridges can be used to drive inductive loads such as DC motors, stepper motors, relay coils, etc .; it is controlled by standard logic level signals; There is a logic power input terminal that allows or prohibits the device to work without being affected by the input signal, so that the internal logic circuit part works at a low voltage; it can be connected to a detection resistor to feed back the change to the control circuit. Use L298N chip drive motor, the chip can drive a two-phase stepper motor or four-phase stepper motor, can also drive two DC motors.

Instructions / Precautions

Port function diagram

This module integrates a built-in 5V power supply. When your driving voltage is 7V-35V, you can enable the onboard 5V logic power supply. When using the onboard 5V power supply, the + 5V power supply in the interface should not input voltage, but you can draw 5V voltage for external use When ENA is enabled, IN1 IN2 controls OUT1 OUT2 When ENB is enabled, IN3 IN4 controls OUT3 OUT4