Circuit Documentation

Summary

This circuit is designed to control multiple DC motors using an L298N motor driver and pushbuttons. The circuit is powered by a 18650 Li-Ion battery. The pushbuttons are used to control the inputs of the L298N motor driver, which in turn controls the motors. Resistors are used for pull-down purposes to ensure proper logic levels at the inputs.

Component List

1. L298N DC Motor Driver

   • Description: A dual H-bridge motor driver that allows control of the speed and direction of two DC motors.
   • Pins: OUT1, OUT2, 12V, GND, 5V, OUT3, OUT4, 5V-ENA-JMP-I, 5V-ENA-JMP-O, +5V-J1, +5V-J2, ENA, IN1, IN2, IN3, IN4, ENB

2. Pushbutton

   • Description: A simple pushbutton switch used to provide user input.
   • Pins: Pin 1, Pin 2, Pin 3, Pin 4

3. Resistor

   • Description: A 10k Ohm resistor used for pull-down purposes.
   • Pins: pin1, pin2
   • Properties: Resistance = 10k Ohms

4. Motor amarillo motorreductor hobby

   • Description: A small DC motor with a gearbox for hobby projects.
   • Pins: vcc, GND

5. 18650 Li-Ion Battery

   • Description: A rechargeable lithium-ion battery.
   • Pins: Positive, Negative

Wiring Details

L298N DC Motor Driver

• OUT1 is connected to the vcc pins of two motors.
• OUT2 is connected to the GND pins of two motors.
• 12V is connected to the Positive pin of the 18650 Li-Ion battery.
• GND is connected to the Negative pin of the 18650 Li-Ion battery and to the pin2 of a resistor.
• OUT3 is connected to the GND pins of two other motors.
• OUT4 is connected to the vcc pins of two other motors.
• 5V is connected to Pin 1 of one pushbutton and Pin 4 of another pushbutton.
• IN1 is connected to Pin 4 of a pushbutton.
• IN2 is connected to Pin 3 of another pushbutton.
• IN3 is connected to Pin 1 of another pushbutton.
• IN4 is connected to Pin 2 of another pushbutton.

Pushbuttons

• Pushbutton 1

  • Pin 1 is connected to 5V of the L298N motor driver.
  • Pin 4 is connected to IN1 of the L298N motor driver.
  • Pin 2 is connected to pin1 of a resistor.
  • Pin 3 is connected to Pin 4 of another pushbutton.

• Pushbutton 2

  • Pin 1 is connected to Pin 4 of another pushbutton.
  • Pin 4 is connected to 5V of the L298N motor driver.
  • Pin 2 is connected to Pin 1 of another pushbutton.
  • Pin 3 is connected to IN2 of the L298N motor driver.

• Pushbutton 3

  • Pin 1 is connected to IN3 of the L298N motor driver.
  • Pin 2 is connected to Pin 1 of another pushbutton.
  • Pin 3 is connected to Pin 4 of another pushbutton.
  • Pin 4 is connected to pin2 of a resistor.

• Pushbutton 4

  • Pin 1 is connected to Pin 2 of another pushbutton.
  • Pin 2 is connected to IN4 of the L298N motor driver.
  • Pin 3 is connected to Pin 4 of another pushbutton.
  • Pin 4 is connected to Pin 3 of another pushbutton.

Resistors

• Resistor 1

  • pin1 is connected to Pin 2 of a pushbutton.
  • pin2 is connected to GND of the L298N motor driver.

• Resistor 2

  • pin1 is connected to pin2 of another resistor.
  • pin2 is connected to Pin 3 of a pushbutton.

• Resistor 3

  • pin1 is connected to pin2 of another resistor.
  • pin2 is connected to Pin 4 of a pushbutton.

• Resistor 4

  • pin1 is connected to pin2 of another resistor.
  • pin2 is connected to Pin 1 of a pushbutton.

Motors

• Motor 1

  • vcc is connected to OUT1 of the L298N motor driver.
  • GND is connected to OUT2 of the L298N motor driver.

• Motor 2

  • vcc is connected to OUT1 of the L298N motor driver.
  • GND is connected to OUT2 of the L298N motor driver.

• Motor 3

  • vcc is connected to OUT4 of the L298N motor driver.
  • GND is connected to OUT3 of the L298N motor driver.

• Motor 4

  • vcc is connected to OUT4 of the L298N motor driver.
  • GND is connected to OUT3 of the L298N motor driver.

18650 Li-Ion Battery

• Positive is connected to 12V of the L298N motor driver.
• Negative is connected to GND of the L298N motor driver and to the pin2 of a resistor.

Code

There is no code provided for this circuit.