Circuit Documentation

Summary

This circuit involves an Arduino 101 microcontroller interfacing with various components including a 16x2 I2C LCD, a QMC5883L Magnetometer, an L298N DC motor driver, a DC Motor, and a Rotary Potentiometer. The Arduino 101 serves as the central control unit, managing the display, motor control, and sensor data acquisition.

Component List

Arduino 101

• Description: A microcontroller board based on the Intel Curie module.
• Pins: A5/SCL, A4/SDA, AREF, GND, D13/SCK, D12/MISO, D11 PWM/MOSI, D10 PWM/SS, D9 PWM, D8, D7, D6 PWM, D5 PWM, D4, D3 PWM, D2, D1/TX, D0/RX, AIN, ioref, RESET, 3V3, 5V, VIN, A0, A1, A2, A3, ICSP MISO, ICSP SCK, ICSP MOSI

L298N DC Motor Driver

• Description: A dual H-Bridge motor driver module 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

DC Motor

• Description: A simple DC motor.
• Pins: pin 1, pin 2

Rotary Potentiometer

• Description: A variable resistor used to adjust levels such as volume or brightness.
• Pins: leg1, wiper, leg2
• Properties:
  • Resistance: 10000 Ohms

16x2 I2C LCD

• Description: A 16x2 character LCD display with I2C interface.
• Pins: GND, VCC, SDA, SCL

QMC5883L Magnetometer

• Description: A 3-axis magnetic field sensor.
• Pins: VCC, GND, SCL, SDA, DRDY

Wiring Details

Arduino 101

• A5/SCL: Connected to SCL of 16x2 I2C LCD and QMC5883L Magnetometer
• A4/SDA: Connected to SDA of 16x2 I2C LCD and QMC5883L Magnetometer
• 5V: Connected to VCC of 16x2 I2C LCD, leg1 of Rotary Potentiometer, and VCC of QMC5883L Magnetometer
• GND: Connected to GND of 16x2 I2C LCD, leg2 of Rotary Potentiometer, GND of QMC5883L Magnetometer, and GND of L298N DC motor driver
• VIN: Connected to 12V of L298N DC motor driver
• D6 PWM: Connected to IN1 of L298N DC motor driver
• D5 PWM: Connected to IN2 of L298N DC motor driver
• A0: Connected to wiper of Rotary Potentiometer

L298N DC Motor Driver

• IN1: Connected to D6 PWM of Arduino 101
• IN2: Connected to D5 PWM of Arduino 101
• 12V: Connected to VIN of Arduino 101
• GND: Connected to GND of Arduino 101
• OUT1: Connected to pin 2 of DC Motor
• OUT2: Connected to pin 1 of DC Motor

DC Motor

• pin 1: Connected to OUT2 of L298N DC motor driver
• pin 2: Connected to OUT1 of L298N DC motor driver

Rotary Potentiometer

• leg1: Connected to 5V of Arduino 101
• wiper: Connected to A0 of Arduino 101
• leg2: Connected to GND of Arduino 101

16x2 I2C LCD

• SCL: Connected to A5/SCL of Arduino 101
• SDA: Connected to A4/SDA of Arduino 101
• VCC: Connected to 5V of Arduino 101
• GND: Connected to GND of Arduino 101

QMC5883L Magnetometer

• SCL: Connected to A5/SCL of Arduino 101
• SDA: Connected to A4/SDA of Arduino 101
• VCC: Connected to 5V of Arduino 101
• GND: Connected to GND of Arduino 101

Documented Code

Arduino 101 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)

This documentation provides a comprehensive overview of the circuit, including a summary, detailed component descriptions, wiring details, and the code used in the Arduino 101 microcontroller.