By following this guide and utilizing the provided resources, you'll be well on your way to becoming an HW-597 driver expert and optimizing your device's performance.

Use these official sources:

// Turn Relay 2 OFF digitalWrite(RELAY2, HIGH); delay(1000);

Functionally, the HW-597 excels in its control capabilities. It offers three distinct modes of operation for each motor: forward, reverse, and stop. Crucially, it supports Pulse Width Modulation (PWM) for speed control. By varying the duty cycle of the PWM signal sent from the microcontroller to the driver’s input pins, a user can precisely adjust the speed of the motor without altering the voltage supply. The driver also features a "Standby" mode, a power-saving feature that allows the microcontroller to put the entire driver to sleep when the motors are not in use, which is a valuable asset for battery-powered applications such as autonomous robots or remote-controlled vehicles.

Same active-low logic applies.

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