Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a LiPo battery, an Electronic Speed Controller (ESC), an ESP32-CAM, an L298N DC motor driver, a 12V battery, a brushless motor, and two DC mini metal gear motors. The circuit is designed to control the brushless motor and the DC motors using the ESP32-CAM microcontroller.

Component List

LiPo Battery 2200mAH 30C

• Description: A rechargeable lithium polymer battery with a capacity of 2200mAh and a discharge rate of 30C.
• Pins: VCC, GND

Electronic Speed Controller (ESC)

• Description: A device used to control the speed of an electric motor.
• Pins: Battery VCC, Battery GND, Signal, 5V out, GND out, M1, M2, M3

ESP32-CAM

• Description: A low-cost microcontroller with integrated Wi-Fi and Bluetooth, featuring a camera module.
• Pins: 5V, GND, IO12, IO13, IO15, IO14, IO2, IO4, VOT, VOR, VCC, IO0, IO16, 3V3

L298N DC Motor Driver

• Description: A dual H-Bridge motor driver that allows control 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

12V Battery

• Description: A 12V battery used to power the L298N motor driver.
• Pins: +, -

Brushless Motor

• Description: A type of electric motor that is powered by an ESC.
• Pins: L1, L2, L3

DC Mini Metal Gear Motor

• Description: A small DC motor with metal gears for increased torque.
• Pins: IN1, IN2

Wiring Details

LiPo Battery 2200mAH 30C

• VCC is connected to Battery VCC of the Electronic Speed Controller (ESC).
• GND is connected to Battery GND of the Electronic Speed Controller (ESC).

Electronic Speed Controller (ESC)

• Battery VCC is connected to VCC of the LiPo Battery.
• Battery GND is connected to GND of the LiPo Battery.
• Signal is connected to IO4 of the ESP32-CAM.
• 5V out is connected to 5V of the ESP32-CAM and 5V of the L298N DC Motor Driver.
• GND out is connected to - of the 12V Battery, GND of the ESP32-CAM, and GND of the L298N DC Motor Driver.
• M1 is connected to L1 of the Brushless Motor.
• M2 is connected to L2 of the Brushless Motor.
• M3 is connected to L3 of the Brushless Motor.

ESP32-CAM

• 5V is connected to 5V out of the Electronic Speed Controller (ESC).
• GND is connected to GND out of the Electronic Speed Controller (ESC).
• IO4 is connected to Signal of the Electronic Speed Controller (ESC).
• IO12 is connected to ENA and ENB of the L298N DC Motor Driver.
• IO13 is connected to IN1 of the L298N DC Motor Driver.
• IO15 is connected to IN2 of the L298N DC Motor Driver.
• IO14 is connected to IN3 of the L298N DC Motor Driver.
• IO2 is connected to IN4 of the L298N DC Motor Driver.

L298N DC Motor Driver

• 5V is connected to 5V out of the Electronic Speed Controller (ESC).
• GND is connected to GND out of the Electronic Speed Controller (ESC).
• 12V is connected to + of the 12V Battery.
• OUT1 is connected to IN2 of the first DC Mini Metal Gear Motor.
• OUT2 is connected to IN1 of the first DC Mini Metal Gear Motor.
• OUT3 is connected to IN2 of the second DC Mini Metal Gear Motor.
• OUT4 is connected to IN1 of the second DC Mini Metal Gear Motor.
• ENA and ENB are connected to IO12 of the ESP32-CAM.
• IN1 is connected to IO13 of the ESP32-CAM.
• IN2 is connected to IO15 of the ESP32-CAM.
• IN3 is connected to IO14 of the ESP32-CAM.
• IN4 is connected to IO2 of the ESP32-CAM.

12V Battery

• + is connected to 12V of the L298N DC Motor Driver.
• - is connected to GND out of the Electronic Speed Controller (ESC).

Brushless Motor

• L1 is connected to M1 of the Electronic Speed Controller (ESC).
• L2 is connected to M2 of the Electronic Speed Controller (ESC).
• L3 is connected to M3 of the Electronic Speed Controller (ESC).

DC Mini Metal Gear Motor (First)

• IN1 is connected to OUT2 of the L298N DC Motor Driver.
• IN2 is connected to OUT1 of the L298N DC Motor Driver.

DC Mini Metal Gear Motor (Second)

• IN1 is connected to OUT4 of the L298N DC Motor Driver.
• IN2 is connected to OUT3 of the L298N DC Motor Driver.

Code

No code is provided for this circuit.