How to Use ESC F65_128K: Examples, Pinouts, and Specs

The ESC F65_128K is an advanced electronic speed controller (ESC) designed by FC for use with brushless motors. It is widely utilized in remote-controlled (RC) vehicles, drones, and other applications requiring precise motor control. This ESC is equipped with a 128K firmware, enabling advanced motor control features such as smooth acceleration, braking, and customizable settings to suit various performance needs.

• RC drones (racing, freestyle, and cinematic)
• RC cars and boats
• Robotics and automation systems
• Electric-powered model aircraft

1. Power Connection:

   • Connect the positive and negative terminals of the ESC to a compatible LiPo battery (2S–6S). Ensure the battery voltage matches the ESC's input voltage range.

2. Motor Connection:

   • Connect the three motor wires to the ESC's Motor Phase A, B, and C pins. The order does not matter initially, as the motor direction can be adjusted later via firmware.

3. Signal Connection:

   • Connect the Signal Input pin to the signal output of your flight controller or RC receiver.
   • Connect the Ground (GND) pin to the ground of the flight controller or RC receiver.

4. Programming and Calibration:

   • Use BLHeli_32 software to configure the ESC settings, such as motor direction, braking, and throttle response.
   • Calibrate the throttle range if using PWM signals.

5. Testing:

   • Power on the system and test the motor operation. Ensure the motor spins in the desired direction and responds correctly to throttle input.

• Cooling: Ensure adequate airflow or cooling to prevent overheating during operation.
• Wiring: Use appropriately rated wires and connectors to handle the current draw.
• Firmware Updates: Regularly update the firmware using BLHeli_32 to access new features and improvements.
• Signal Type: For optimal performance, use DShot signals instead of PWM.
• Safety: Always disconnect the battery when making wiring changes to avoid short circuits or accidental motor starts.

The ESC F65_128K can be controlled using PWM signals from an Arduino UNO. Below is an example code snippet to control the ESC:

#include <Servo.h> // Include the Servo library for generating PWM signals

Servo esc; // Create a Servo object to control the ESC

void setup() {
  esc.attach(9); // Attach the ESC signal wire to pin 9 on the Arduino
  esc.writeMicroseconds(1000); // Send minimum throttle signal (1000 µs)
  delay(2000); // Wait for 2 seconds to allow the ESC to initialize
}

void loop() {
  esc.writeMicroseconds(1500); // Send mid-throttle signal (1500 µs)
  delay(5000); // Run the motor at mid-throttle for 5 seconds

  esc.writeMicroseconds(1000); // Send minimum throttle signal (1000 µs)
  delay(5000); // Stop the motor for 5 seconds
}

Note: Adjust the throttle signal range (1000–2000 µs) based on your ESC's calibration.

1. Motor Does Not Spin:

   • Cause: Incorrect wiring or signal input.
     Solution: Verify the motor wires are connected to the ESC and the signal wire is properly connected to the flight controller or RC receiver.

2. Motor Spins in the Wrong Direction:

   • Cause: Motor phase wires are not in the correct order.
     Solution: Swap any two motor phase wires or use BLHeli_32 software to reverse the motor direction.

3. ESC Overheats:

   • Cause: Insufficient cooling or excessive current draw.
     Solution: Ensure proper airflow and verify the motor and propeller are within the ESC's current rating.

4. No Response from ESC:

   • Cause: Incorrect signal type or throttle calibration.
     Solution: Check the signal type (PWM or DShot) and recalibrate the throttle range.

5. Firmware Update Fails:

   • Cause: Connection issue or incompatible software version.
     Solution: Ensure the ESC is properly connected to the programming tool and use the latest version of BLHeli_32.

• Can I use the ESC F65_128K with a brushed motor?
  No, this ESC is designed specifically for brushless motors.

• What is the maximum supported LiPo cell count?
  The ESC supports up to 6S LiPo batteries (25.2V).

• Does the ESC have a built-in BEC?
  No, the ESC F65_128K does not include a BEC. Use an external BEC if needed.

• How do I update the firmware?
  Use the BLHeli_32 software and a compatible USB programming tool to update the firmware.

• What signal types are supported?
  The ESC supports PWM, DShot150, DShot300, DShot600, and DShot1200.

By following this documentation, users can effectively integrate and operate the ESC F65_128K in their projects.