How to Use AMR SDD motor controller: Examples, Pinouts, and Specs

The AMR SDD Motor Controller by Bizbot Technology is a versatile device designed to control the speed and direction of motors. It is commonly used in automated machinery and robotics applications, providing precise control over motor operations. This documentation will guide you through the technical specifications, usage instructions, and troubleshooting tips for the AMR SDD Motor Controller.

1. Power Supply Connection: Connect the VCC pin to a DC power supply (6V - 24V) and the GND pin to the ground of the power supply.
2. Motor Connection: Connect the motor terminals to the OUT1 and OUT2 pins.
3. Control Signal Connection: Connect the PWM control signals to the IN1 and IN2 pins. These signals will control the speed and direction of the motor.
4. Enable Pin: Connect the EN pin to a high logic level (e.g., 5V) to enable the motor controller.
5. Feedback Signal (Optional): If speed monitoring is required, connect the FG pin to a microcontroller or monitoring device.

• Ensure that the power supply voltage is within the specified range (6V - 24V DC).
• Use appropriate heat sinks or cooling mechanisms if the motor controller operates at high currents for extended periods.
• Avoid reversing the polarity of the power supply connections to prevent damage to the motor controller.
• Use proper decoupling capacitors near the power supply pins to minimize noise and voltage spikes.

Below is an example code to control the AMR SDD Motor Controller using an Arduino UNO:

// Define pin connections
const int EN_PIN = 7;  // Enable pin
const int IN1_PIN = 9; // Control signal input 1 (PWM)
const int IN2_PIN = 10; // Control signal input 2 (PWM)

void setup() {
  // Set pin modes
  pinMode(EN_PIN, OUTPUT);
  pinMode(IN1_PIN, OUTPUT);
  pinMode(IN2_PIN, OUTPUT);

  // Enable the motor controller
  digitalWrite(EN_PIN, HIGH);
}

void loop() {
  // Set motor speed and direction
  analogWrite(IN1_PIN, 128); // Set speed (0-255)
  analogWrite(IN2_PIN, 0);   // Set direction

  delay(2000); // Run motor for 2 seconds

  // Change motor direction
  analogWrite(IN1_PIN, 0);
  analogWrite(IN2_PIN, 128);

  delay(2000); // Run motor for 2 seconds
}

1. Motor Not Running:

   • Solution: Check the power supply connections and ensure the EN pin is set to a high logic level.

2. Motor Running in Wrong Direction:

   • Solution: Verify the PWM signals on IN1 and IN2 pins. Swap the signals if necessary.

3. Overheating:

   • Solution: Ensure proper cooling and heat dissipation. Check for excessive current draw.

4. No Feedback Signal:

   • Solution: Ensure the FG pin is correctly connected and the monitoring device is functioning.

• Check Connections: Ensure all connections are secure and correctly oriented.
• Measure Voltages: Use a multimeter to measure voltages at various points in the circuit to identify issues.
• Use Proper Code: Ensure the control code is correctly written and uploaded to the microcontroller.
• Consult Datasheet: Refer to the manufacturer's datasheet for detailed information and specifications.

By following this documentation, users can effectively utilize the AMR SDD Motor Controller in their projects, ensuring reliable and efficient motor control.