9 / 12 / 2024

EV-RE Level 1 Report

Task 1: Simple Electric Circuit Simulation on MATLAB

• Activity: Simulated a full-wave rectifier circuit using MATLAB Simulink.
• Outcome: Verified input and output waveforms with a scope.

Task 2: Speed Control of DC Motor

• Objective: Control the speed of a DC motor using the L293D motor driver.
• Components:
  • Arduino board
  • L293D motor driver
  • DC motor
  • Potentiometer
  • Jumper wires
  • 9-12V power supply
• Procedure:
  • Connected motor driver inputs and outputs to Arduino and DC motors.
  • Integrated a potentiometer to adjust motor speed via analog input.
  • Powered the motor driver with a 12V power supply.

Task 3: Direction Control of a Motor

• Objective: Rotate the motor clockwise or counterclockwise by toggling input pins.
• Activity:
  • Configured int1 and int2 pins for directional control.

Task 4: Point Turn of a Vehicle

• Objective: Achieve rotation in place by running two DC motors in opposite directions.
• Outcome: Successfully implemented point-turn logic in code.

Task 5: Automatic Door Opener System

• Objective: Detect motion and automate door opening/closing.
• Components:
  • Arduino
  • PIR motion sensor
  • Servo motor
  • Breadboard and jumper wires
  • Power supply
• Outcome:
  • PIR sensor triggered servo motor to open door to 90°, then reset to 0° after 5 seconds.

Task 6: BLDC Motor and Hall Effect Sensor

• Objective: Measure RPM using a Hall effect sensor.
• Components:
  • Arduino
  • Hall effect sensor
  • DC motor
  • Jumper wires
  • Power supply
• Outcome: RPM calculated by counting sensor pulses over a fixed interval.

Task 7: Temperature and Humidity Detection

• Objective: Measure environmental temperature and humidity.
• Components:
  • Arduino
  • DHT11 sensor
  • Resistors
  • Breadboard and jumper wires

Task 8: Understanding 555 Timer and LDR

• Objective: Control an LED based on ambient light using NE555 timer and LDR.
• Components:
  • NE555 Timer IC
  • LDR
  • Resistors: 10kΩ, 1kΩ
  • Capacitor: 10µF
  • LED
  • Power supply
  • Breadboard and jumper wires
• Outcome: Successfully implemented light-sensitive headlight control.

Task 9: Solar Panel

• Objective: Construct a simple solar panel setup using silicon diodes.
• Outcome: Observed negligible voltage output.

Task 10: Solar Tracker

• Objective: Track sunlight direction using a servo motor and Arduino.
• Components:
  • Arduino
  • Servo motor
  • Solar panel
• Outcome: Solar panel rotated to maximize sunlight exposure.

Task 11: Temperature Detection

• Objective: Measure temperature using an LM35 sensor.
• Components:
  • Arduino
  • LM35 temperature sensor
• Outcome: Displayed room and solder gun temperatures on the Arduino IDE serial monitor.