Circuit Documentation

Summary

This circuit is designed to control two DC motors using an Arduino Mega 2560 microcontroller and a TB6612FNG Motor Driver. It includes an OLED display and a pulse sensor for user interface and feedback, as well as a temperature sensor (MLX90614) for measuring temperature. The circuit is powered by a voltage regulator that ensures a stable voltage supply to the motor driver. A yellow LED with a resistor is included for status indication. The FLYSKY FS-IA6 receiver is interfaced with the Arduino for potential remote control capabilities.

Component List

Microcontroller

• Arduino Mega 2560: A microcontroller board based on the ATmega2560 with numerous digital and analog I/O pins.

Motors

• DC Motor: Two motors that convert electrical energy into mechanical rotation.

Motor Driver

• TB6612FNG Motor Driver: A driver module that allows for control of two DC motors, providing options for speed and direction control.

Power Management

• Voltage Regulator: A device that maintains a constant voltage level to the motor driver.

Sensors

• PULSE SENSOR: A sensor used to detect heart rate.
• MLX90614: An infrared thermometer for non-contact temperature measurements.

Communication

• FLYSKY FS- IA6: A 6-channel receiver for remote control applications.

Display

• OLED 1.3": A small display for outputting data such as sensor readings or system status.

Indicators

• LED: Two Pin (yellow): An indicator light, typically used for status indication.
• Resistor: A 220 Ohm resistor used to limit current to the LED.

Wiring Details

Arduino Mega 2560

• 5V connected to OLED VCC, FLYSKY VCC, MLX90614, TB6612FNG VCC, and PULSE SENSOR.
• GND connected to OLED GND, MLX90614, PULSE SENSOR, TB6612FNG GND, FLYSKY GND, and LED cathode.
• A0 connected to PULSE SENSOR.
• A4 (SCL) connected to OLED SCL and MLX90614.
• A5 (SDA) connected to OLED SDA and MLX90614.
• D19/RX1 connected to FLYSKY CH6.
• D3 PWM connected to TB6612FNG PWMA.
• D4 PWM connected to TB6612FNG AI2.
• D5 PWM connected to TB6612FNG AI1.
• D6 PWM connected to TB6612FNG STBY.
• D7 PWM connected to TB6612FNG BI1.
• D8 PWM connected to TB6612FNG BI2.
• D9 PWM connected to TB6612FNG PWMB.
• D13 PWM connected to Resistor pin2.

DC Motors

• Motor 1 pin 1 connected to TB6612FNG B01.
• Motor 1 pin 2 connected to TB6612FNG B02.
• Motor 2 pin 1 connected to TB6612FNG A02.
• Motor 2 pin 2 connected to TB6612FNG A01.

TB6612FNG Motor Driver

• VM connected to Voltage Regulator OUT.
• VCC connected to Arduino 5V.
• GND connected to Arduino GND and Voltage Regulator IN.

Voltage Regulator

• IN connected to TB6612FNG GND (for common ground reference).
• OUT connected to TB6612FNG VM.

LED: Two Pin (yellow)

• Anode connected to Resistor pin1.
• Cathode connected to Arduino GND.

Resistor

• Pin1 connected to LED anode.
• Pin2 connected to Arduino D13 PWM.

Documented Code

Arduino Mega 2560 Code (sketch.ino)

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

}

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

}

Additional Notes

• The code provided for the Arduino Mega 2560 is a template with empty setup and loop functions. Actual implementation code is required for the circuit to perform its intended functions.
• The documentation file for the code is empty and should be populated with relevant information as the code is developed.