Circuit Documentation

Summary

This circuit is designed to control two 250W 12V DC motors using an Arduino UNO, two BTS7960 motor drivers, and a joystick module. The Arduino UNO reads the joystick inputs and controls the motor drivers accordingly. The motor drivers are powered by a 12V battery.

Component List

Arduino UNO

• Description: A microcontroller board based on the ATmega328P.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

BTS7960 Motor Driver (2 units)

• Description: A high-current motor driver module.
• Pins: Pin 1, Pin 2, Pin 3, Pin 4, Pin 5, Pin 6, Pin 7, Pin 8, Pin 9, Pin 10, Pin 11, Pin 12

Joystick Module

• Description: A joystick module with two potentiometers and a switch.
• Pins: SW, VRY, VRX, VCC, GND

250W 12V Electric Motor Brush Motor DC (2 units)

• Description: A 250W 12V DC motor.
• Pins: POSITIF, NEGATIF

12V Battery

• Description: A 12V battery for powering the motor drivers.
• Pins: VCC, GND

Wiring Details

Arduino UNO

• GND: Connected to GND of Joystick Module, Pin 1 of both BTS7960 Motor Drivers
• 3.3V: Connected to VCC of Joystick Module, Pin 5 of both BTS7960 Motor Drivers
• A0: Connected to VRX of Joystick Module
• A1: Connected to VRY of Joystick Module
• D9: Connected to Pin 4 of BTS7960 Motor Driver (1st unit)
• D6: Connected to Pin 8 of BTS7960 Motor Driver (1st unit)
• D5: Connected to Pin 4 of BTS7960 Motor Driver (2nd unit)
• D3: Connected to Pin 8 of BTS7960 Motor Driver (2nd unit)

BTS7960 Motor Driver (1st unit)

• Pin 1: Connected to GND of Arduino UNO, GND of Joystick Module
• Pin 4: Connected to D9 of Arduino UNO
• Pin 5: Connected to 3.3V of Arduino UNO, VCC of Joystick Module
• Pin 8: Connected to D6 of Arduino UNO
• Pin 9: Connected to POSITIF of 250W 12V Electric Motor (1st unit)
• Pin 10: Connected to NEGATIF of 250W 12V Electric Motor (1st unit)
• Pin 11: Connected to VCC of 12V Battery
• Pin 12: Connected to GND of 12V Battery

BTS7960 Motor Driver (2nd unit)

• Pin 1: Connected to GND of Arduino UNO, GND of Joystick Module
• Pin 4: Connected to D5 of Arduino UNO
• Pin 5: Connected to 3.3V of Arduino UNO, VCC of Joystick Module
• Pin 8: Connected to D3 of Arduino UNO
• Pin 9: Connected to POSITIF of 250W 12V Electric Motor (2nd unit)
• Pin 10: Connected to NEGATIF of 250W 12V Electric Motor (2nd unit)
• Pin 11: Connected to VCC of 12V Battery
• Pin 12: Connected to GND of 12V Battery

Joystick Module

• GND: Connected to GND of Arduino UNO, Pin 1 of both BTS7960 Motor Drivers
• VCC: Connected to 3.3V of Arduino UNO, Pin 5 of both BTS7960 Motor Drivers
• VRX: Connected to A0 of Arduino UNO
• VRY: Connected to A1 of Arduino UNO

250W 12V Electric Motor Brush Motor DC (1st unit)

• POSITIF: Connected to Pin 9 of BTS7960 Motor Driver (1st unit)
• NEGATIF: Connected to Pin 10 of BTS7960 Motor Driver (1st unit)

250W 12V Electric Motor Brush Motor DC (2nd unit)

• POSITIF: Connected to Pin 9 of BTS7960 Motor Driver (2nd unit)
• NEGATIF: Connected to Pin 10 of BTS7960 Motor Driver (2nd unit)

12V Battery

• VCC: Connected to Pin 11 of both BTS7960 Motor Drivers
• GND: Connected to Pin 12 of both BTS7960 Motor Drivers

Code Documentation

Arduino UNO Code (sketch.ino)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Additional Documentation (documentation.txt)