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Arduino Mega 2560 and BTS7960 Motor Driver Controlled High RPM DC Motor System

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Circuit Documentation

Summary

This circuit involves an Arduino Mega 2560 microcontroller interfacing with a BTS7960 motor driver to control an RS 775 DC motor. The circuit also includes a MW LRS-350-24 power supply and a Step Down Buck converter to provide the necessary voltage levels. The Arduino Mega 2560 is programmed to control the motor driver via PWM signals.

Component List

  1. TB6600

    • Description: Stepper motor driver
    • Pins: ENA-, ENA+, DIR-, DIR+, PUL-, PUL+, B-, B+, A-, A+, GND, VCC

  2. Arduino Mega 2560

    • Description: Microcontroller board
    • Pins: IOREF, RESET, 3V3, 5V, GND, VIN, A0-A15, D0-D53, AREF, SDA, SCL

  3. RAMPS1.4

    • Description: RepRap Arduino Mega Pololu Shield
    • Pins: 2B, 2A, 1A, 1B, S, GND, VCC, SDA, SCL, 12V5A, 12V11A, THERM0-THERM2, 5V, D11, D6, D5, D4, D1, D2, A3, A4, A9, D40, D42, A11, A5, A10, D44, A12, D52, D50, D53, D51, D49, D32, D47, D45, D43, D41, D39, D37, D35, D33, D31, D29, D27, D25, D23, D17, D16, PS-ON, MS1, MS2, MS3, Vmot, VDD, DIR, STEP, SLP, RESET, ENABLE, 12V

  4. MW LRS-350-24

    • Description: 24V power supply
    • Pins: +24V Output, -24V Output, GND, N, L

  5. NEMA23

    • Description: Stepper motor
    • Pins: D, B, C, A

  6. BTS7960 Motor Driver

    • Description: High-power motor driver
    • Pins: Pin 1-12

  7. Step Down Buck converter

    • Description: Voltage regulator
    • Pins: IN+, IN-, OUT-, OUT+

  8. RS 775 DC MOTOR

    • Description: DC motor
    • Pins: V+, V-

Wiring Details

TB6600

Arduino Mega 2560

RAMPS1.4

MW LRS-350-24

NEMA23

BTS7960 Motor Driver

Step Down Buck converter

RS 775 DC MOTOR

Documented Code

// Define the PWM pins connected to the BTS7960 Motor Driver
const int pwmPin1 = 3; // Connected to Pin 7 on BTS7960
const int pwmPin2 = 5; // Connected to Pin 8 on BTS7960
const int pwmPin3 = 6; // Connected to Pin 9 on BTS7960
const int pwmPin4 = 7; // Connected to Pin 10 on BTS7960
const int pwmPin5 = 8; // Connected to Pin 11 on BTS7960
const int pwmPin6 = 9; // Connected to Pin 12 on BTS7960

void setup() {
  // Set PWM pins as output
  pinMode(pwmPin1, OUTPUT);
  pinMode(pwmPin2, OUTPUT);
  pinMode(pwmPin3, OUTPUT);
  pinMode(pwmPin4, OUTPUT);
  pinMode(pwmPin5, OUTPUT);
  pinMode(pwmPin6, OUTPUT);

  // Set all PWM pins to maximum value (255) for high RPM
  analogWrite(pwmPin1, 255);
  analogWrite(pwmPin2, 255);
  analogWrite(pwmPin3, 255);
  analogWrite(pwmPin4, 255);
  analogWrite(pwmPin5, 255);
  analogWrite(pwmPin6, 255);
}

void loop() {
  // No need to do anything in the loop, motor runs continuously at high RPM
}